Daniel Edward Kahler, D.O.
Internal Medicine Physician · San Francisco, CA
Daniel Edward Kahler, D.O. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1629019781, issued on Jun 9, 2006. Check the license (California 20A7235, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Edward Kahler
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A7235 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3555 Cesar Chavez, San Francisco, CA 94110
- Phone
- (415) 641-8600
- Enumerated
- Jun 9, 2006
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040630000835); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3555 Cesar Chavez
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Edward Kahler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
78 Medicare Part D claims for 29 beneficiaries, against an average of 3,176 among the 108,855 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
- Providence Medical FoundationPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Edward Kahler among 17,696 internal medicine physician records in California
Daniel Edward Kahler, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 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
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- Stephen Hoffman, MDSan Francisco, CA 941101265476147
- Jeanette Krolikowski, D.O.San Francisco, CA 941101962471920
- John Metcalfe, M.D.San Francisco, CA 941101154399350
- Hedda Orkin, MDSan Francisco, CA 941101093753030
- Neda Ratanawongsa, MDSan Francisco, CA 941101598769002
Common questions
What is Daniel Edward Kahler, D.O.'s NPI number?
Daniel Edward Kahler, D.O.'s National Provider Identifier (NPI) is 1629019781, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Edward Kahler, D.O. located?
The NPPES record lists a practice address at 3555 Cesar Chavez, San Francisco, CA, 94110. Phone: (415) 641-8600. Providers update this record themselves, so call before visiting.
How can I verify Daniel Edward Kahler, D.O.'s license?
NPPES lists California license number 20A7235, 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 Daniel Edward Kahler, D.O. prescribe under Medicare Part D?
In 2024, Daniel Edward Kahler, D.O. had 78 Medicare Part D claims for 29 beneficiaries; 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.