Peter Donald Zeegen, M.D.
Ophthalmology Physician · Encino, CA
Peter Donald Zeegen, M.D. is an ophthalmology physician with a practice address in Encino, California, and NPI 1578544144, issued on Nov 9, 2005. Check the license (California A23555, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Donald Zeegen
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A23555 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16311 Ventura Blvd, Encino, CA 91436
- Phone
- (818) 990-3623
- Enumerated
- Nov 9, 2005
- Record last updated
- Oct 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 788-1056
- Medicare enrollment
- Enrolled (PECOS I20100331000131); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1968
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 16311 Ventura Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Aizuss, M.D.Ophthalmology Physician1346221728
- Tiffani Bresnick, LCSWClinical Social Worker1083340467
- Norman Brooks, MDDermatology Physician1508960667
- Bijan Broukhim, M.D.Specialist1376584698
- Ricardo Campbell, P.A.Physician Assistant1811978828
- Maury Carlin, PH.D.Clinical Psychologist1427089358
Verify Peter Donald Zeegen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A23555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,419 Medicare Part D claims for 350 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost505 claims
- Timolol Maleate143 claims
- Dorzolamide-Timolol120 claims
- Tobramycin-Dexamethasone113 claims
- Restasis77 claims
- Brimonidine Tartrate67 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).
Bills Medicare through one group practice
- Ophthalmology Associates OF The Valley Medical GroupEncino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Donald Zeegen among 2,899 ophthalmology physician records in California
Peter Donald Zeegen, M.D. is one of 2,899 ophthalmology 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1968 · median 2001 among the 1,907 with a school on file
- Record last updated2007 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 ophthalmology physician records list a practice address in Encino
They are 28 of the 3,136 NPPES records with a practice address in Encino, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Encino → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- David Aizuss, M.D.Encino, CA 914361346221728
- Mark Baskin, MDEncino, CA 914361447200498
- Brad Elkins, M.D.Encino, CA 914361467433037
- Robert Engstrom, M.D.Encino, CA 914361689663395
- Larry Green, MDEncino, CA 914361700997251
- Stanley Kopelow, MDEncino, CA 914361215918602
- Mark Kramar, M.D.Encino, CA 914361174568414
- Sandy Lee, M.D.Encino, CA 914361831188341
Common questions
What is Peter Donald Zeegen, M.D.'s NPI number?
Peter Donald Zeegen, M.D.'s National Provider Identifier (NPI) is 1578544144, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Peter Donald Zeegen, M.D. located?
The NPPES record lists a practice address at 16311 Ventura Blvd, Encino, CA, 91436. Phone: (818) 990-3623. Providers update this record themselves, so call before visiting.
How can I verify Peter Donald Zeegen, M.D.'s license?
NPPES lists California license number A23555, 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 Donald Zeegen, M.D. prescribe under Medicare Part D?
In 2024, Peter Donald Zeegen, M.D. had 1,419 Medicare Part D claims for 350 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Peter Donald Zeegen, 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.