Dr. Peter Parham Ghamarian, MD
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 1,902
- Publications
- 4
- Hospital affiliations
- 1
- Industry payments
- $399
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ghamarian's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Peter Parham Ghamarian is a urologist in Riverside, California
Dr. Ghamarian practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Ghamarian's NPI, 1205281250, was assigned on April 27, 2016. Dr. Ghamarian graduated from VCU School of Medicine in 2016. Dr. Ghamarian's California license number on file is UNKNOWN.
- NPI
- 1205281250NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577827922
- NPI enumeration date
- April 27, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Parham Ghamarian practices at Riverside Medical Center in Riverside, California
Dr. Ghamarian's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Peter Parham Ghamarian is affiliated with 2 sites of care and 1 medical group
Dr. Ghamarian's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Ghamarian to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter Parham Ghamarian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ghamarian practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Parham Ghamarian is one of 1,395 urologists in California
Urology is Dr. Ghamarian's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Ghamarian is board certified in urology by the American Board of Urology. Dr. Ghamarian has a license on file in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Clinical focus
Dmand AI lists erectile dysfunction and urinary endoscopy among the conditions Dr. Ghamarian treats.
Urologists near Dr. Ghamarian
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Peter Parham Ghamarian treated 21 Medicare patients in 2024, average age 65
CMS counts 21 Medicare patients who saw Dr. Ghamarian in 2024. 71% of them have high blood pressure, and 52% have high cholesterol. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ghamarian's median patient age at 65, with 29% women.
Chronic conditions among Dr. Ghamarian's Medicare patients, 2024
- High blood pressure71%
- High cholesterol52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ghamarian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women29%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Parham Ghamarian wrote 1,902 Medicare Part D claims in 2024
In 2024, Dr. Ghamarian wrote 1,902 Medicare Part D claims for 584 patients. 94% of them were for generic drugs. CMS names the drug for 1,784 of them, across 22 drugs with 11 or more claims each, at $146,633 in total drug cost. In 2023, CMS named 1,152 claims across 18 drugs.
Dr. Ghamarian's Part D claims by kind of drug, 2024
- Generic1,793 claims94%
- Brand-name93 claims5%
- Other16 claims1%
Dr. Ghamarian's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ghamarian's Part D claims, 2024
- Opioids5%88 of 1,902 claims
- Antibiotics19%370 of 1,902 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1522024: 1,78455%
Drugs named by CMS: 22 in 2024, 18 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Peter Parham Ghamarian offers telehealth to Medicare patients
Dr. Ghamarian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ghamarian as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter Parham Ghamarian has 4 publications on record
Dmand AI links 4 papers to Dr. Ghamarian, published from 2016 to 2020. 2020 was the busiest year, with 2. Dr. Ghamarian's most frequent co-authors are Ralph V. Clayman, MD, Roshan Patel, MD and Roshan Manhar Patel, MD.
Dr. Ghamarian's papers by year, 2016 to 2020
Dr. Ghamarian's most frequent co-authors
- Ralph V. Clayman, MD2 shared papers
- Roshan Patel, MD2 shared papers
- Roshan Manhar Patel, MD2 shared papers
Recent publications by Dr. Ghamarian
See who Dr. Ghamarian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ghamarian works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter Parham Ghamarian received $399 in industry payments from 2018 to 2025
CMS Open Payments shows 6 general payments to Dr. Ghamarian from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 66% of the total. Boston Scientific Corporation paid the most, $344.
General payments to Dr. Ghamarian by program year, 2018 to 2025
General payments to Dr. Ghamarian by kind, 2018 to 2025
- Food and beverage$26366%
- Grants$12130%
- Speaker and faculty fees$154%
Companies that paid Dr. Ghamarian the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Parham Ghamarian graduated from VCU School of Medicine
Dr. Ghamarian graduated from VCU School of Medicine in 2016.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Peter Parham Ghamarian accepts plans from 2 insurance carriers
Dr. Ghamarian is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Ghamarian accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter Parham Ghamarian's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Peter Parham Ghamarian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Peter Parham Ghamarian's NPI number?
Dr. Peter Parham Ghamarian's NPI number is 1205281250. It was assigned on April 27, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Parham Ghamarian?
Dr. Peter Parham Ghamarian is a urologist in Riverside, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Peter Parham Ghamarian practice?
Dr. Ghamarian practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Ghamarian's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dmand AI also links Dr. Ghamarian to 1 group practice or clinic.
What is Dr. Peter Parham Ghamarian's office phone number?
The practice phone on file for Dr. Ghamarian is (951) 353-2000.
What is Dr. Peter Parham Ghamarian's medical license number?
Dr. Ghamarian's California license number on file is UNKNOWN.
Which hospitals is Dr. Peter Parham Ghamarian affiliated with?
Dr. Ghamarian practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Peter Parham Ghamarian part of?
Dr. Ghamarian is linked to Southern California Permanente Medical Group.
Does Dr. Peter Parham Ghamarian accept Medicare?
Yes. CMS lists Dr. Ghamarian as accepting Medicare assignment.
Does Dr. Peter Parham Ghamarian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ghamarian as offering telehealth services.
How many Medicare patients does Dr. Peter Parham Ghamarian see?
CMS counts 21 Medicare patients who saw Dr. Ghamarian in 2024, with an average age of 65.
Show 8 more questionsShow fewer questions
Is Dr. Peter Parham Ghamarian board certified?
Yes. Dr. Ghamarian is board certified in urology by the American Board of Urology.
Where did Dr. Peter Parham Ghamarian go to medical school?
Dr. Ghamarian graduated from VCU School of Medicine in 2016.
What drugs does Dr. Peter Parham Ghamarian prescribe most?
In 2024 Medicare Part D data, Dr. Ghamarian's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Terazosin HCl.
Has Dr. Peter Parham Ghamarian received payments from drug or device companies?
CMS Open Payments shows $399 in general payments to Dr. Ghamarian from 4 companies from 2018 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Peter Parham Ghamarian been practicing?
Dr. Ghamarian graduated from medical school in 2016, 10 years ago.
Does Dr. Peter Parham Ghamarian do research?
Dmand AI links 4 publications to Dr. Ghamarian, published from 2016 to 2020.
Who does Dr. Peter Parham Ghamarian publish with?
Dr. Ghamarian's most frequent co-authors are Ralph V. Clayman, MD (2 shared papers), Roshan Patel, MD (2 shared papers) and Roshan Manhar Patel, MD (2 shared papers).
What insurance does Dr. Peter Parham Ghamarian accept?
Dr. Ghamarian is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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