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Edit this profileAt a glance
- 784 Grand Ave Ste 201, Ridgefield, NJ 07657
About Dr. Park
Based in Ridgefield, NJ, Wonil Park, M.D. is listed in the NPI registry under internal medicine. Wonil is also listed as specializing in nephrology. According to Medicare claims data, Wonil cared for 2,706 Medicare patients across 9,655 services. The services billed most often include therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes, therapy procedure using manual technique, each 15 minutes, and electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care. NPI 1588753842 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (201) 346-0999
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
784 GRAND AVE STE 201
Ridgefield, NJ 07657
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cancer Prevention
- Family cancer risk
Cancer risk
- Family History Of Cancer
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
- Chronic Inflammation
Heart health
- Heart Disease Risk
Infectious Disease
- Animal bite and rabies exposure
- Hepatitis B and C exposure
Infectious disease
- Measles and mumps exposure
- Traveler's diarrhea
- Shingles
Kidney health
- Early Kidney Damage
Lifestyle & wellness
- Chronic Stress And Burnout
Lifestyle health
- Unhealthy diet and nutrient deficiency
Longevity
- Accelerated Biological Aging
Metabolic & Lifestyle
- Lack of physical activity
Occupational health
- Asbestos and mineral dust exposure
- Work-Related Back Strain
Occupational Health
- Noise-induced hearing loss risk
Rashes & allergy
- Poison Ivy
Sexual Health
- HIV risk and exposure
Sexual health
- STI Risk And Exposure
Substance use
- Vaping And Nicotine Addiction
Travel health
- Altitude sickness
- Travel-related Infection Risk
Wellness and energy
Workplace health
- Work-related Injury
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Addiction & habits
- Alcohol Reduction Counseling
Cancer screening
- Colon Cancer Screening Referral
- Lung cancer screening consult
- Mammogram Referral
Cancer Screening
- Hereditary cancer risk assessment
Checkups & exams
- Annual Wellness Exam
- Executive Physical Exam
Chronic illness
- Medication list review
- Post-hospital follow-up visit
Diagnostics & screening
- TB Skin Test
Environmental health
- Heavy Metal Blood Test
- Lead blood test
- Mold Toxicity Testing
Fitness & body composition
- VO2 Max Test
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart & circulation
- Blood pressure check and medication review
Heart health
- Cardiac Stress Test Referral
Hospital-based procedures
- Inpatient medical management
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
- Hepatitis Screening And Vaccine
- Tetanus shot
Infection & Microbiology Tests
- STI and STD Screening
- H. Pylori Breath Test
Lifestyle & Prevention
- Exercise prescription and counseling
- Medical weight loss counseling
Longevity
- Biological Age Test
Lower endoscopy
- Screening colonoscopy
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Metabolic health
- Continuous Glucose Monitor Prescription
Occupational health
- Breathing test for work
- Food handler medical clearance
- Workplace breath alcohol test
Occupational Health
- Needlestick exposure evaluation
- Respirator clearance exam and fit testing
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Preventive and evaluation
- Preoperative medical clearance
- Medication management
- Post-hospital transitional care
Preventive imaging
- Abdominal Aortic Aneurysm Screening
- Full Body MRI Scan
Preventive screening
- Fall risk screening
Routine Blood Tests
- Hemoglobin A1c Test
Screening & labs
- Genetic Health Risk Testing
- Heart Calcium Score
- Hormone Panel Testing
Screening and diagnostic testing
- Blood pressure screening
- Cancer screening and prevention planning
- Diabetes and prediabetes screening
- EKG
- Spirometry
Screenings & Diagnostics
- Diabetes Screening and A1C Test
- Bone Density Scan Referral
Travel Health
- Travel vaccines and health advice
Travel medicine
- Altitude sickness prevention pills
- Typhoid vaccine
Wellness
- Body Composition Analysis
Wellness & Screening
- Heart disease risk assessment
Workplace health
- Ergonomic Workstation Evaluation
- Respirator Fit Testing
- Return To Work Clearance
Skin growths
- Skin Tag Removal
Sleep
- At-home sleep test
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Bones & Joints
Brain and nerves
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Lab tests
- Urinalysis
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Pain management
- Knee Joint Injection
Preventive & Routine Care
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
9,655 services · 2,706 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
369 | More often than most peers in Internal Medicine |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
1,822 | More often than most peers in Internal Medicine |
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
1,027 | More often than most peers in Internal Medicine |
| Acupuncture, initial 15 minutes | Treatment | 97810 |
328 | More often than most peers in Internal Medicine |
| Re-evaluation for physical therapy, typically 20 minutes | Treatment | 97164 |
107 | Too few peers to compare |
| Evaluation for physical therapy, typically 30 minutes | Treatment | 97162 |
60 | Too few peers to compare |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | Billing code | G0283 |
951 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
534 | More than most peers in Internal Medicine |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
401 | More often than most peers in Internal Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
367 | More often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Ridgefield 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What is Wonil Park's specialty?
Wonil Park is an internist in Ridgefield, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Wonil Park?
Wonil Park is listed at 784 Grand Ave Ste 201, Ridgefield, NJ 07657. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Wonil Park?
The number on file is (201) 346-0999. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Wonil Park's NPI number?
Wonil Park's National Provider Identifier is 1588753842. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Wonil Park's education?
Wonil Park attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Wonil Park been practicing?
Wonil Park has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Wonil Park known for?
According to Medicare billing data, Wonil Park performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes and therapy procedure using manual technique, each 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Wonil Park confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Wonil Park. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.