Ewald Richard Stiehm, M.D.
Pediatric Allergy/Immunology Physician · Los Angeles, CA
Ewald Richard Stiehm, M.D. is a pediatric allergy/immunology physician with a practice address in Los Angeles, California, and NPI 1922117993, issued on Aug 30, 2006. Check the license (California C25375, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ewald Richard Stiehm
- Credential
- M.D.
- Primary taxonomy
- Pediatric Allergy/Immunology Physician 2080P0201X
- License number
- C25375 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10833 LE Conte Ave, Los Angeles, CA 90095
- Phone
- (310) 206-3952
- Enumerated
- Aug 30, 2006
- Record last updated
- Mar 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (310) 206-0209
- Medicaid IDs
- 00C253750 CA
GR0053510 CA - Entity
- Type 1 · individual
Also registered at 10833 LE Conte Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ewald Richard Stiehm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C25375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average pediatric allergy/immunology physician in 2024
39 Medicare Part D claims, against an average of 259 among the 198 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.
Pediatric Allergy/Immunology Physician providers in California
There are 52 pediatric allergy/immunology physician records in California.
Other pediatric allergy/immunology physician records in California
- Sarah Afzal, MDPalo Alto, CA1477014959
- Barbara Ariue, M.D.San Bernardino, CA1013930874
- Alan Burckin, MDWalnut Creek, CA1285103440
- Manish Butte, M.D., PH.D.Los Angeles, CA1801861216
- Angela Chang, M.D.San Francisco, CA1518233808
- Talal Chatila, M.D.Los Angeles, CA1952321846
- Laurence Cheng, MD, PHDSan Francisco, CA1164636593
- Stuart Chudnofsky, MDRancho Mirage, CA1023719689
- Joseph Church, MDLos Angeles, CA1942393095
- Morton Cowan, M.D.San Francisco, CA1053354456
Common questions
What is Ewald Richard Stiehm, M.D.'s NPI number?
Ewald Richard Stiehm, M.D.'s National Provider Identifier (NPI) is 1922117993, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ewald Richard Stiehm, M.D. located?
The NPPES record lists a practice address at 10833 LE Conte Ave, Los Angeles, CA, 90095. Phone: (310) 206-3952. Providers update this record themselves, so call before visiting.
How can I verify Ewald Richard Stiehm, M.D.'s license?
NPPES lists California license number C25375, 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 Ewald Richard Stiehm, M.D. prescribe under Medicare Part D?
In 2024, Ewald Richard Stiehm, M.D. had 39 Medicare Part D claims; the average among pediatric allergy/immunology physician prescribers was 259. 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.