Thomas Knecht, MD, PHD
NPI 1235371857 · Endocrinology, Diabetes & Metabolism Physician · Petaluma, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Knecht, MD, PHD is a Endocrinology, Diabetes & Metabolism Physician provider in Petaluma, CA (NPI 1235371857).
Provider details
- NPI number
- 1235371857
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G077982 (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
17 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 134 | 26 |
| Empagliflozinbrand: Jardiance | 48 | 13 |
| Atorvastatin Calcium | 46 | 18 |
| Pioglitazone Hcl | 45 | — |
| Metformin Hclbrand: Metformin Hcl Er | 43 | 13 |
| Irbesartan | 33 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-27
- Last updated
- 2015-04-24
Frequently asked questions
- What is Thomas Knecht's NPI number?
- Thomas Knecht's National Provider Identifier (NPI) is 1235371857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Knecht's specialty?
- Thomas Knecht is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Knecht located?
- Thomas Knecht's practice location on file with NPPES is 141 Lynch Creek Way, Petaluma, CA 94954-2341.
- What is Thomas Knecht's phone number?
- The practice phone number listed in the NPPES registry for Thomas Knecht is (707) 762-0001.
- Does Thomas Knecht accept Medicare?
- Thomas Knecht is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Knecht's NPI active?
- Yes — Thomas Knecht's NPI (1235371857) is active in the NPPES registry as of the last update on 2015-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.