Physician Profile
Unclaimed ProfileAbout LEIBOWITZ
Based in Modesto, CA, Keith A. Leibowitz, MD is listed in the NPI registry under gastroenterology. Keith graduated from New York Medical College in 1985.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Leibowitz specialise in?
Dr. Leibowitz is a gastroenterology in Modesto, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Leibowitz located?
Dr. Leibowitz is listed at 700 17TH ST STE 102, Modesto, CA 95354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Leibowitz's phone number?
The number on file is (209) 522-6100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Leibowitz?
Dr. Leibowitz's National Provider Identifier is 1083689335. 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. Leibowitz go to medical school?
Dr. Leibowitz attended New York Medical College, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Leibowitz have?
Dr. Leibowitz has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Leibowitz do most often?
According to Medicare billing data, Dr. Leibowitz performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Leibowitz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leibowitz. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (209) 522-6100
- Email not available
Practice Locations
700 17TH ST STE 102
Modesto, CA 95354
Procedures Most Often Billed to Medicare
337 services · 281 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
40 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
23 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
129 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
129 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 gastroenterology specialists in Modesto 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.