Yanling Xu, MD
NPI 1770887598 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yanling Xu, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1770887598).
Provider details
- NPI number
- 1770887598
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A114691 (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
15 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 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 496 | 173 |
| Amlodipine Besylate | 458 | 156 |
| Losartan Potassium | 283 | 102 |
| Levothyroxine Sodium | 176 | 53 |
| Lisinopril | 163 | 53 |
| Atenolol | 157 | 54 |
| Famotidine | 104 | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-09
- Last updated
- 2021-12-15
Frequently asked questions
- What is Yanling Xu's NPI number?
- Yanling Xu's National Provider Identifier (NPI) is 1770887598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yanling Xu's specialty?
- Yanling Xu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yanling Xu located?
- Yanling Xu's practice location on file with NPPES is 2250 Hayes St, San Francisco, CA 94117-1078.
- What is Yanling Xu's phone number?
- The practice phone number listed in the NPPES registry for Yanling Xu is (415) 750-5995.
- Does Yanling Xu accept Medicare?
- Yanling Xu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yanling Xu's NPI active?
- Yes — Yanling Xu's NPI (1770887598) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.