Physician Profile
Jennifer L. Leoniak, D.O., M.S.
Unclaimed ProfileAbout Dr. Leoniak
Jennifer L. Leoniak, D.O., M.S. is a healthcare provider in Turlock, CA specializing in internal medicine. Jennifer trained at New York College of Osteo Medicine of New York Institute of Technology, graduating in 2009. Jennifer is also listed as specializing in infectious disease. Medicare claims data shows Jennifer provided 2,546 services to 997 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1588808703.
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
- (209) 208-0923
- Email not available
Practice Locations
920 DELBON AVE
Turlock, CA 95382
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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
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
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
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
2,546 services · 997 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
1,729 | More than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
513 | More 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 |
174 | More than most peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
103 | More often than most peers in Internal Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
14 | Less often than most peers in Internal Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
13 | Less 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.
Other internists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 3
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 Turlock 8
Same specialty, same city.
More connections — 14 related providers in 2 groups
Trained at New York College of Osteo Medicine of New York Institute of Technology 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at New York College of Osteo Medicine of New York Institute of Technology 6
Providers who graduated from the same medical school in the same year.
Common questions
What is Jennifer L. Leoniak, D.O.'s specialty?
Jennifer L. Leoniak, D.O. is an internist in Turlock, CA. 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 Jennifer L. Leoniak, D.O.?
Jennifer L. Leoniak, D.O. is listed at 920 Delbon Ave, Turlock, CA 95382. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jennifer L. Leoniak, D.O.?
The number on file is (209) 208-0923. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jennifer L. Leoniak, D.O.?
Jennifer L. Leoniak, D.O.'s National Provider Identifier is 1588808703. 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 Jennifer L. Leoniak, D.O.'s education?
Jennifer L. Leoniak, D.O. attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jennifer L. Leoniak, D.O. have?
Jennifer L. Leoniak, D.O. has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Jennifer L. Leoniak, D.O. known for?
According to Medicare billing data, Jennifer L. Leoniak, D.O. the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jennifer L. Leoniak, D.O.'s profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jennifer L. Leoniak, D.O.. If this is you, claiming it is free.
Guide.md
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