Christina Phan, MD
NPI 1538789789 · Pulmonary Disease Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Phan, MD is a Pulmonary Disease Physician provider in San Francisco, CA (NPI 1538789789).
Provider details
- NPI number
- 1538789789
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A185588 (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
6 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
- 2020-04-17
- Last updated
- 2025-09-26
- Certified
- 2025-09-26
Frequently asked questions
- What is Christina Phan's NPI number?
- Christina Phan's National Provider Identifier (NPI) is 1538789789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Phan's specialty?
- Christina Phan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Phan located?
- Christina Phan's practice location on file with NPPES is 520 Illinois St Fl 3, San Francisco, CA 94143-2501.
- What is Christina Phan's phone number?
- The practice phone number listed in the NPPES registry for Christina Phan is (415) 353-9414.
- Does Christina Phan accept Medicare?
- Christina Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Phan's NPI active?
- Yes — Christina Phan's NPI (1538789789) is active in the NPPES registry as of the last update on 2025-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.