Gayatri Khanna, M.D.
NPI 1639191455 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gayatri Khanna, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1639191455).
Provider details
- NPI number
- 1639191455
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A64577 (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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 138 | 48 |
| Donepezil Hcl | 122 | 55 |
| Atorvastatin Calcium | 85 | 24 |
| Levothyroxine Sodium | 65 | 12 |
| Furosemide | 62 | 17 |
| Alendronate Sodium | 44 | — |
| Mirtazapine | 42 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2012-03-01
Frequently asked questions
- What is Gayatri Khanna's NPI number?
- Gayatri Khanna's National Provider Identifier (NPI) is 1639191455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gayatri Khanna's specialty?
- Gayatri Khanna is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gayatri Khanna located?
- Gayatri Khanna's practice location on file with NPPES is 1700 California St, San Francisco, CA 94109-4586.
- What is Gayatri Khanna's phone number?
- The practice phone number listed in the NPPES registry for Gayatri Khanna is (415) 386-5388.
- Does Gayatri Khanna accept Medicare?
- Gayatri Khanna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gayatri Khanna's NPI active?
- Yes — Gayatri Khanna's NPI (1639191455) is active in the NPPES registry as of the last update on 2012-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.