Sarah Lowenthal, M.D.
NPI 1790813046 · Family Medicine Physician · Mill Valley, CA
Sarah Lowenthal, M.D. is a Family Medicine Physician provider in Mill Valley, CA (NPI 1790813046).
Provider details
- NPI number
- 1790813046
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A80735 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2019-02-19
Frequently asked questions
- What is Sarah Lowenthal's NPI number?
- Sarah Lowenthal's National Provider Identifier (NPI) is 1790813046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Lowenthal's specialty?
- Sarah Lowenthal is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Lowenthal located?
- Sarah Lowenthal's practice location on file with NPPES is 655 Redwood Hwy Frontage Rd Ste 364, Mill Valley, CA 94941-3057.
- What is Sarah Lowenthal's phone number?
- The practice phone number listed in the NPPES registry for Sarah Lowenthal is (415) 590-6150.
- Is Sarah Lowenthal's NPI active?
- Yes — Sarah Lowenthal's NPI (1790813046) is active in the NPPES registry as of the last update on 2019-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.