Theresa Kemnitz, D.O.
Internal Medicine Physician · San Francisco, CA
Theresa Kemnitz, D.O. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1033419338, issued on Nov 2, 2010. Check the license (California 20A10796, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Theresa Kemnitz
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A10796 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 California St, San Francisco, CA 94109
- Phone
- (415) 978-6074
- Enumerated
- Nov 2, 2010
- Record last updated
- Sep 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (415) 737-1379
- Entity
- Type 1 · individual
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Theresa Kemnitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
183 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate19 claims
- Eliquis13 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.
Theresa Kemnitz among 17,696 internal medicine physician records in California
Theresa Kemnitz, D.O. is one of 17,696 internal medicine 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amy Bossen, M.D.San Francisco, CA 941091558371260
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- Gayatri Khanna, M.D.San Francisco, CA 941091639191455
- Martin Liberman, MDSan Francisco, CA 941091376530006
- Deborah Lindes, M.D.San Francisco, CA 941091952323776
- Aravind Mani, MDSan Francisco, CA 941091932151941
Common questions
What is Theresa Kemnitz, D.O.'s NPI number?
Theresa Kemnitz, D.O.'s National Provider Identifier (NPI) is 1033419338, issued on Nov 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Kemnitz, D.O. located?
The NPPES record lists a practice address at 1700 California St, San Francisco, CA, 94109. Phone: (415) 978-6074. Providers update this record themselves, so call before visiting.
How can I verify Theresa Kemnitz, D.O.'s license?
NPPES lists California license number 20A10796, 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 Theresa Kemnitz, D.O. prescribe under Medicare Part D?
In 2024, Theresa Kemnitz, D.O. had 183 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.