Theodore Levin, MD
NPI 1720166820 · Gastroenterology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Levin, MD is a Gastroenterology Physician provider in Walnut Creek, CA (NPI 1720166820).
Provider details
- NPI number
- 1720166820
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G76096 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 40 | 16 |
| Famotidine | 36 | 16 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 35 | 34 |
| Mesalamine | 29 | — |
| Pantoprazole Sodium | 26 | 11 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 23 | — |
| Sulfasalazine | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2021-12-06
Frequently asked questions
- What is Theodore Levin's NPI number?
- Theodore Levin's National Provider Identifier (NPI) is 1720166820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Levin's specialty?
- Theodore Levin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Levin located?
- Theodore Levin's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is Theodore Levin's phone number?
- The practice phone number listed in the NPPES registry for Theodore Levin is (925) 295-4000.
- Does Theodore Levin accept Medicare?
- Theodore Levin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Levin's NPI active?
- Yes — Theodore Levin's NPI (1720166820) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.