Kristen Elizabeth Mengwasser
Rheumatology Physician · San Francisco, CA
Kristen Elizabeth Mengwasser is a rheumatology physician with a practice address in San Francisco, California, and NPI 1841828720, issued on Mar 27, 2020. Check the license (California A180354, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kristen Elizabeth Mengwasser
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A180354 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Avenue Bldg 90 FL2, San Francisco, CA 94110
- Phone
- (628) 206-4777
- Enumerated
- Mar 27, 2020
- Record last updated
- Apr 7, 2026
- Fax
- (628) 206-4257
- Medicare enrollment
- Enrolled (PECOS I20240715002711); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2020
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Kristen Elizabeth Mengwasser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average rheumatology physician in 2024
168 Medicare Part D claims for 23 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Allopurinol17 claims
- Humira Pen17 claims
- Taltz Autoinjector15 claims
- Rasuvo13 claims
- Prednisone12 claims
- Hydroxychloroquine Sulfate11 claims
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 Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Elizabeth Mengwasser among 926 rheumatology physician records in California
Kristen Elizabeth Mengwasser is one of 926 rheumatology physician records with a practice address in California. 81% 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 95% of them.
- NPI issued2020 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2003 among the 641 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in San Francisco → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- John Imboden, MDSan Francisco, CA 941101275689408
- Elizabeth Wahl, M.D.San Francisco, CA 941101215100557
- Jinoos Yazdany, M.D.San Francisco, CA 941101982632584
- Gerson Bernhard, MDSan Francisco, CA 941091710930052
- Karen Yeter, MDSan Francisco, CA 941091326210055
- Elaine Gecht, MDSan Francisco, CA 941121457349086
- Anthony Padula, M.D.San Francisco, CA 941081235103813
- Mona Trivedi, M.D.San Francisco, CA 941071477799195
Common questions
What is Kristen Elizabeth Mengwasser's NPI number?
Kristen Elizabeth Mengwasser's National Provider Identifier (NPI) is 1841828720, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Elizabeth Mengwasser located?
The NPPES record lists a practice address at 1001 Potrero Avenue Bldg 90 FL2, San Francisco, CA, 94110. Phone: (628) 206-4777. Providers update this record themselves, so call before visiting.
How can I verify Kristen Elizabeth Mengwasser's license?
NPPES lists California license number A180354, 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 Kristen Elizabeth Mengwasser prescribe under Medicare Part D?
In 2024, Kristen Elizabeth Mengwasser had 168 Medicare Part D claims for 23 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.