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- 661 Main St Ste 202, Paterson, NJ 07503
About Dr. Mercado Wittig
Melissa Mercado Wittig, DO practices family medicine in Paterson, NJ. Melissa is a 2010 graduate of Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc). According to Medicare claims data, Melissa cared for 842 Medicare patients across 1,167 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1821587270.
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
- (973) 754-4525
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
661 MAIN ST STE 202
Paterson, NJ 07503
Conditions Commonly Evaluated or Treated
Within Family 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
Bariatrics
Cancer Prevention
Cancer risk
Digestive
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
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Wounds & skin
Most searched conditions
Cardiometabolic
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Addiction & habits
Bladder & bowel
Breathing
Cancer Screening
Cancer screening
Checkups & exams
Chronic illness
Diagnostic testing
Diagnostic Tests
- COVID-19 Rapid Test
- COVID-19 testing
- Rapid Flu Swab
- Rapid Strep and Flu Swabs
- Urine Pregnancy Test
- Urine Drug Screen
Diagnostics & screening
Environmental health
Exams
Exams & Screenings
Fitness & body composition
Foot and Leg Pain
Heart & Circulation
Heart & circulation
Immunizations
Infection & Microbiology Tests
- Colon cancer screening consult
- STI and STD Screening
- H. Pylori Breath Test
Lifestyle & Prevention
Longevity
Lower endoscopy
Metabolic health
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational health
Occupational Health
Office procedures
- Minor laceration repair
- Removal of a minor skin lesion
- Superficial foreign-body removal
- Earwax removal
- Incision and drainage of an abscess
Post-Op Care
Preventive and evaluation
Preventive Care
Preventive imaging
Preventive interventions
- Vaccinations and immunizations
- Weight-management counseling
- Birth control counseling
- Smoking cessation counseling
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
Screening and testing
- Blood pressure screening
- Diabetes and prediabetes screening
- Point-of-care laboratory testing
- Cholesterol screening
- Depression screening
- EKG
Skin Procedures
Sleep Health
Travel Health
Travel medicine
Urgent Care Procedures
Wellness
Wellness & Screening
Wellness & Weight
Women's Health
Workplace health
Wound care
Wounds & skin
Sleep
Most searched procedures
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Pain Management
Respiratory
Senior Care
Sexual & Reproductive Health
Procedures Most Often Billed to Medicare
1,167 services · 842 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
60 | More often than most peers in Family Medicine |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
60 | More often than most peers in Family Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
60 | More often than most peers in Family Medicine |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
29 | As often as other peers in Family Medicine |
| Ultrasound of leg arteries at rest and after exercise | Treatment | 93924 |
25 | Too few peers to compare |
| Testing of autonomic (sympathetic) nervous system function | Treatment | 95923 |
23 | As often as other peers in Family Medicine |
| Testing of autonomic nervous system function and heart rate response to deep breathing | Treatment | 95921 |
23 | As often as other peers in Family Medicine |
| Test for abnormal eye movement using a rotating chair | Treatment | 92546 |
23 | Too few peers to compare |
| Evaluation and testing for balance with recording | Treatment | 92540 |
23 | Too few peers to compare |
| Test to assess balance during warm and cool irrigation in both ears | Treatment | 92537 |
23 | Too few peers to compare |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family doctors in Paterson 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 1
Providers in NJ who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Mercado Wittig?
Dr. Mercado Wittig is a family doctor in Paterson, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
What is Dr. Mercado Wittig's address?
Dr. Mercado Wittig is listed at 661 Main St Ste 202, Paterson, NJ 07503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Mercado Wittig?
The number on file is (973) 754-4525. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Mercado Wittig's NPI number?
Dr. Mercado Wittig's National Provider Identifier is 1821587270. 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
Where did Dr. Mercado Wittig train?
Dr. Mercado Wittig attended Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mercado Wittig been practicing?
Dr. Mercado Wittig has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mercado Wittig perform?
According to Medicare billing data, Dr. Mercado Wittig provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using gas dilution or washout, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mercado Wittig confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mercado Wittig. If this is you, claiming it is free.
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