Jennifer M. Van Warmerdam, M.D.
Orthopaedic Surgery Physician · San Francisco, CA
Jennifer M. Van Warmerdam, M.D. is an orthopaedic surgery physician with a practice address in San Francisco, California, and NPI 1922232404, issued on May 12, 2009. Check the license (California A96120, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer M. Van Warmerdam
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A96120 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Shrader St, San Francisco, CA 94117
- Phone
- (415) 221-0665
- Enumerated
- May 12, 2009
- Record last updated
- Sep 8, 2023
- Fax
- (415) 221-0687
- Medicare enrollment
- Enrolled (PECOS I20101028000170); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 1 Shrader St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer M. Van Warmerdam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96120Check 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 orthopaedic surgery physician in 2024
19 Medicare Part D claims for 14 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $48.39
3 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ucsf Medical Group Business ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer M. Van Warmerdam among 2,276 orthopaedic surgery physician records in California
Jennifer M. Van Warmerdam, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2004 · median 2003 among the 1,347 with a school on file
- Record last updated2023 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in San Francisco → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Kenneth Akizuki, MDSan Francisco, CA 941171073569703
- Sara Edwards, M.D.San Francisco, CA 941171669589214
- Michael Feldstein, M.D.San Francisco, CA 941171568799989
- William Montgomery, MDSan Francisco, CA 941171881756450
- Ryan O'Shea, MDSan Francisco, CA 941171669752077
- Stephen Pinney, MDSan Francisco, CA 941171184678674
- Alexander Rosinski, MDSan Francisco, CA 941171649891250
- Adam SchlauchSan Francisco, CA 941171730642703
Common questions
What is Jennifer M. Van Warmerdam, M.D.'s NPI number?
Jennifer M. Van Warmerdam, M.D.'s National Provider Identifier (NPI) is 1922232404, issued on May 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer M. Van Warmerdam, M.D. located?
The NPPES record lists a practice address at 1 Shrader St, San Francisco, CA, 94117. Phone: (415) 221-0665. Providers update this record themselves, so call before visiting.
How can I verify Jennifer M. Van Warmerdam, M.D.'s license?
NPPES lists California license number A96120, 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 Jennifer M. Van Warmerdam, M.D. prescribe under Medicare Part D?
In 2024, Jennifer M. Van Warmerdam, M.D. had 19 Medicare Part D claims for 14 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Jennifer M. Van Warmerdam, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.