Christina Phan, MD
Pulmonary Disease Physician · San Francisco, CA
Christina Phan, MD is a pulmonary disease physician with a practice address in San Francisco, California, and NPI 1538789789, issued on Apr 17, 2020. Check the license (California A185588, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina Phan
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A185588 CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 Illinois St FL 3, San Francisco, CA 94143
- Phone
- (415) 353-9414
- Enumerated
- Apr 17, 2020
- Record last updated
- Sep 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20251010001912); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 520 Illinois St FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Boaz, MDInternal Medicine Physician1982233326
Verify Christina Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
65 Medicare Part D claims for 45 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Phan among 1,443 pulmonary disease physician records in California
Christina Phan, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, under 1% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2020 · median 2002 among the 1,061 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in San Francisco → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Harold Chapman, MDSan Francisco, CA 941431831153741
- Hubert Chen, M.D.San Francisco, CA 941431215042957
- Jeffrey Golden, MDSan Francisco, CA 941431043267446
- Antonio Gomez, MDSan Francisco, CA 941431104833888
- Anh Innes, M.D.San Francisco, CA 941431982803573
- Talmadge King, MDSan Francisco, CA 941431659388338
- Laura Koth, MDSan Francisco, CA 941431952367815
- Lorriana Leard, MDSan Francisco, CA 941431366459422
Common questions
What is Christina Phan, MD's NPI number?
Christina Phan, MD's National Provider Identifier (NPI) is 1538789789, issued on Apr 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Christina Phan, MD located?
The NPPES record lists a practice address at 520 Illinois St FL 3, San Francisco, CA, 94143. Phone: (415) 353-9414. Providers update this record themselves, so call before visiting.
How can I verify Christina Phan, MD's license?
NPPES lists California license number A185588, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christina Phan, MD prescribe under Medicare Part D?
In 2024, Christina Phan, MD had 65 Medicare Part D claims for 45 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.