Noah Mischka Gerken, M.D.
NPI 1851650758 · Internal Medicine Physician · San Rafael, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Noah Mischka Gerken, M.D. is a Internal Medicine Physician provider in San Rafael, CA (NPI 1851650758).
Provider details
- NPI number
- 1851650758
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A127970 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 49 | 24 |
| Tamsulosin Hcl | 43 | 21 |
| Amlodipine Besylate | 35 | 17 |
| Spironolactone | 33 | 16 |
| Torsemide | 28 | 20 |
| Prednisone | 26 | 19 |
| Clopidogrel Bisulfatebrand: Clopidogrel |
Practice location
Mailing address
Additional practice locations (1)
- 2425 Geary BlvdSan Francisco, CA 94115-3358Phone: (415) 847-6568
Registry dates
- Enumerated
- 2012-05-11
- Last updated
- 2022-02-11
Frequently asked questions
- What is Noah Mischka Gerken's NPI number?
- Noah Mischka Gerken's National Provider Identifier (NPI) is 1851650758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Noah Mischka Gerken's specialty?
- Noah Mischka Gerken is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Noah Mischka Gerken located?
- Noah Mischka Gerken's practice location on file with NPPES is 99 Montecillo Rd, San Rafael, CA 94903-3308.
- What is Noah Mischka Gerken's phone number?
- The practice phone number listed in the NPPES registry for Noah Mischka Gerken is (415) 444-2000.
- Does Noah Mischka Gerken accept Medicare?
- Noah Mischka Gerken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Noah Mischka Gerken's NPI active?
- Yes — Noah Mischka Gerken's NPI (1851650758) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.