Jerry Xiao, MD, PHD
NPI 1194585646 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jerry Xiao, MD, PHD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1194585646).
Provider details
- NPI number
- 1194585646
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-03-21
- Last updated
- 2026-05-10
- Certified
- 2026-05-10
Frequently asked questions
- What is Jerry Xiao's NPI number?
- Jerry Xiao's National Provider Identifier (NPI) is 1194585646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jerry Xiao's specialty?
- Jerry Xiao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jerry Xiao located?
- Jerry Xiao's practice location on file with NPPES is 505 Parnassus Ave # M1480, San Francisco, CA 94143-2204.
- What is Jerry Xiao's phone number?
- The practice phone number listed in the NPPES registry for Jerry Xiao is (415) 476-1528.
- Does Jerry Xiao accept Medicare?
- Jerry Xiao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jerry Xiao's NPI active?
- Yes — Jerry Xiao's NPI (1194585646) is active in the NPPES registry as of the last update on 2026-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.