Peter P. Koenig, M.D.
Endocrinology, Diabetes & Metabolism Physician · Sherman Oaks, CA
Peter P. Koenig, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Sherman Oaks, California, and NPI 1316997877, issued on May 12, 2006. Check the license (California A23943, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter P. Koenig
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A23943 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Van Nuys Blvd., Sherman Oaks, CA 91403
- Phone
- (818) 528-1222
- Enumerated
- May 12, 2006
- Record last updated
- Jan 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (818) 528-1225
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Peter P. Koenig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A23943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,056 Medicare Part D claims for 130 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium153 claims
- Metoprolol Succinate127 claims
- Atorvastatin Calcium122 claims
- Losartan Potassium106 claims
- Omeprazole100 claims
- Valsartan74 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Peter P. Koenig among 1,131 endocrinology, diabetes & metabolism physician records in California
Peter P. Koenig, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2011 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Sherman Oaks → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Nora Bedrossian, MDPanorama City, CA 914021649774175
- Shireen Fatemi, MDPanorama City, CA 914021396812129
- Alan Jacknow, MDPanorama City, CA 914021558420141
- Helen Adelberg, M.D.Encino, CA 914361093935447
- Eiriny Eskander, M.D.Encino, CA 914361154584183
- Pouyan Famini, M.D.Encino, CA 914361326270422
- Moussa Faminini, MDEncino, CA 914361629084843
- Mark Gordon, M.D.Encino, CA 914361306987946
Common questions
What is Peter P. Koenig, M.D.'s NPI number?
Peter P. Koenig, M.D.'s National Provider Identifier (NPI) is 1316997877, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter P. Koenig, M.D. located?
The NPPES record lists a practice address at 4940 Van Nuys Blvd., Sherman Oaks, CA, 91403. Phone: (818) 528-1222. Providers update this record themselves, so call before visiting.
How can I verify Peter P. Koenig, M.D.'s license?
NPPES lists California license number A23943, 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 Peter P. Koenig, M.D. prescribe under Medicare Part D?
In 2024, Peter P. Koenig, M.D. had 2,056 Medicare Part D claims for 130 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Peter P. Koenig, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.