Ruth Greenblatt, MD
NPI 1902854441 · Internal Medicine Physician · San Francisco, CA
Ruth Greenblatt, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1902854441).
Provider details
- NPI number
- 1902854441
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G59563 (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
20 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
- 2006-05-05
- Last updated
- 2008-07-15
Frequently asked questions
- What is Ruth Greenblatt's NPI number?
- Ruth Greenblatt's National Provider Identifier (NPI) is 1902854441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Greenblatt's specialty?
- Ruth Greenblatt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Greenblatt located?
- Ruth Greenblatt's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Ruth Greenblatt's phone number?
- The practice phone number listed in the NPPES registry for Ruth Greenblatt is (415) 353-2119.
- Is Ruth Greenblatt's NPI active?
- Yes — Ruth Greenblatt's NPI (1902854441) is active in the NPPES registry as of the last update on 2008-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.