Richard Ehling
Internal Medicine Physician · San Mateo, CA
Richard Ehling is an internal medicine physician with a practice address in San Mateo, California, and NPI 1124187950, issued on Dec 7, 2006. Check the license (California G76885, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Ehling
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G76885 CA
Self-reported in NPPES; status is on the state search - Practice location
- 222 W 39TH Ave, San Mateo, CA 94403
- Phone
- (650) 573-2222
- Enumerated
- Dec 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G768850 CA
- Medicare enrollment
- Enrolled (PECOS I20111027000121); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 222 W 39TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Ehling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G76885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,235 Medicare Part D claims for 148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium276 claims
- Amlodipine Besylate126 claims
- Fluticasone Propionate113 claims
- Losartan Potassium113 claims
- Lisinopril85 claims
- Metformin Hcl80 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
- County OF San MateoSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Ehling among 17,696 internal medicine physician records in California
Richard Ehling 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
- Graduated1991 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 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).
44 internal medicine physician records list a practice address in San Mateo
They are 44 of the 3,909 NPPES records with a practice address in San Mateo, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Mateo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Susan Ehrlich, MDSan Mateo, CA 944031942379474
- Indu Fotedar, MDSan Mateo, CA 944031508960766
- Evelyn Haddad, M.D.San Mateo, CA 944031295936755
- Grace Hassid, MDSan Mateo, CA 944031700957099
- Susan Joseph, MDSan Mateo, CA 944031801960497
- Chester Kunnappilly, MDSan Mateo, CA 944031437220704
- Jennifer Lin, MDSan Mateo, CA 944031336342708
- Gary Pasternak, MDSan Mateo, CA 944031194820688
Common questions
What is Richard Ehling's NPI number?
Richard Ehling's National Provider Identifier (NPI) is 1124187950, issued on Dec 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Ehling located?
The NPPES record lists a practice address at 222 W 39TH Ave, San Mateo, CA, 94403. Phone: (650) 573-2222. Providers update this record themselves, so call before visiting.
How can I verify Richard Ehling's license?
NPPES lists California license number G76885, 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 Richard Ehling prescribe under Medicare Part D?
In 2024, Richard Ehling had 2,235 Medicare Part D claims for 148 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.