NPPES file of Aug 9, 2026

Peter Parham Ghamarian, M.D.

Urology Physician · Orange, CA

Peter Parham Ghamarian, M.D. is a urology physician with a practice address in Orange, California, and NPI 1205281250, issued on Apr 27, 2016. Check the license (California UNKNOWN, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205281250
Name
Peter Parham Ghamarian
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
UNKNOWN CA
Self-reported in NPPES; status is on the state search
Practice location
333 City Blvd W, Orange, CA 92868
Phone
(714) 456-6719
Enumerated
Apr 27, 2016
Record last updated
Dec 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211001001366); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 333 City Blvd W

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fiyinfoluwa Ani, M.D.Anesthesiology Physician1023499191
  2. Christopher Armstrong, M.D.Surgery Physician1912260035
  3. Andrew Barleben, M.D., M.P.H.Surgery Physician1497936900
  4. Dana BergerMaternal & Fetal Medicine Physician1497287387
  5. Raymond Chou, M.D.Student in an Organized Health Care Education/Training Program1013449651
  6. Hugh ChungSurgery Physician1639309156

Verify Peter Parham Ghamarian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license UNKNOWN
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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42% more Medicare Part D claims than the average urology physician in 2024

1,902 Medicare Part D claims for 584 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 88 claims were for opioids.

  1. Peter Ghamarian1,902
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl521 claims
  2. Finasteride351 claims
  3. Terazosin Hcl130 claims
  4. Sulfamethoxazole-Trimethoprim104 claims
  5. Ciprofloxacin Hcl93 claims
  6. Nitrofurantoin Mono-Macro85 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

  1. Southern California Permanente Medical GroupRiverside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Peter Parham Ghamarian among 1,524 urology physician records in California

Peter Parham Ghamarian, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.

  • NPI issued2016 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2016 · median 2003 among the 1,049 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

The 8 urology physician records with the nearest ZIP codes

  1. Thomas Ahlering, M.D.Orange, CA 928681013983386
  2. David Chamberlin, MDOrange, CA 928681205861994
  3. Akhil Das, MDOrange, CA 928681053310821
  4. Bela Denes, M.D.Orange, CA 928681811943129
  5. Joel Gelman, M.D.Orange, CA 928681275640047
  6. Gamal M. Ghoniem, M.D.Orange, CA 928681467415919
  7. Feraidoun Khonsari, M.D.Orange, CA 928681487612560
  8. Luis Kobashi, M.D.Orange, CA 928681710963095

Common questions

What is Peter Parham Ghamarian, M.D.'s NPI number?

Peter Parham Ghamarian, M.D.'s National Provider Identifier (NPI) is 1205281250, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Peter Parham Ghamarian, M.D. located?

The NPPES record lists a practice address at 333 City Blvd W, Orange, CA, 92868. Phone: (714) 456-6719. Providers update this record themselves, so call before visiting.

How can I verify Peter Parham Ghamarian, M.D.'s license?

NPPES lists California license number UNKNOWN, 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 Parham Ghamarian, M.D. prescribe under Medicare Part D?

In 2024, Peter Parham Ghamarian, M.D. had 1,902 Medicare Part D claims for 584 beneficiaries; the average among urology physician prescribers was 1,340. 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.