Grace Catherine Haser
Infectious Disease Physician · San Francisco, CA
Grace Catherine Haser is an infectious disease physician with a practice address in San Francisco, California, and NPI 1841745031, issued on Aug 17, 2016. Check the license (California A185997, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Catherine Haser
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- A185997 CA
185997 CA
Self-reported in NPPES; status is on the state search - Practice location
- 513 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-9363
- Enumerated
- Aug 17, 2016
- Record last updated
- Jun 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20250710003049); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2020
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 513 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimiya Abtahi, DMDStudent in an Organized Health Care Education/Training Program1295397719
- Kemi Alabi, MDStudent in an Organized Health Care Education/Training Program1821857004
- Ivy Aslan, M.D.Specialist1346571833
- Su Aung, M.D.Infectious Disease Physician1649513805
- Jeanie Bhuller, D.O.Anesthesiology Physician1801020391
- Catherine Blebea, MDInternal Medicine Physician1134680531
Verify Grace Catherine Haser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Catherine Haser among 1,119 infectious disease physician records in California
Grace Catherine Haser is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2003 among the 735 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in San Francisco → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Cameron Ashbaugh, MDSan Francisco, CA 941431114900537
- Oliver Bacon, M.D.San Francisco, CA 941431497863146
- Huyen Cao, MDSan Francisco, CA 941431700842234
- Peter Chin-Hong, MDSan Francisco, CA 941431215988563
- John Fangman, MDSan Francisco, CA 941431881645737
- Timothy Henrich, M.D.San Francisco, CA 941431902831902
- Vivek Jain, M.D.San Francisco, CA 941431093747248
- Jane Koehler, MDSan Francisco, CA 941431689632747
Common questions
What is Grace Catherine Haser's NPI number?
Grace Catherine Haser's National Provider Identifier (NPI) is 1841745031, issued on Aug 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Grace Catherine Haser located?
The NPPES record lists a practice address at 513 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-9363. Providers update this record themselves, so call before visiting.
How can I verify Grace Catherine Haser's license?
NPPES lists California license number A185997, 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.
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.