What is Hovhannes Ghazaryan's NPI number?

Hovhannes Ghazaryan's National Provider Identifier (NPI) is 1851910665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Hovhannes Ghazaryan's specialty?

Hovhannes Ghazaryan is listed in the NPPES registry with a primary specialty of Pain Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Hovhannes Ghazaryan located?

Hovhannes Ghazaryan's practice location on file with NPPES is 100 N State College Blvd Ste H, Fullerton, CA 92831-4236.

What is Hovhannes Ghazaryan's phone number?

The practice phone number listed in the NPPES registry for Hovhannes Ghazaryan is (714) 824-6565.

Does Hovhannes Ghazaryan accept Medicare?

Hovhannes Ghazaryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Hovhannes Ghazaryan's NPI active?

Yes — Hovhannes Ghazaryan's NPI (1851910665) is active in the NPPES registry as of the last update on 2025-09-09.

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Hovhannes Ghazaryan, MD

NPI 1851910665 · Pain Medicine Physician · Fullerton, CA

Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Hovhannes Ghazaryan, MD is a Pain Medicine Physician provider in Fullerton, CA (NPI 1851910665).

Provider details

NPI number: 1851910665
Entity type: Individual
Primary specialty: Pain Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: A184528 (CA)

Specialties & taxonomies

Pain Medicine PhysicianPrimary208VP0000XLicense A184528 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(80/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
6 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
3,661 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Physician Or Allowed Practitioner Supervision of a Patient Receiving Medicare-Covered Services Provided By a Participating Home Health Agency (patient Not Present) Requiring Complex and Multidisciplinary Care Modalities Involving Regular Physician Or AllowG0181	1,371	$107
Education and Training to Self Measure Blood Pressure99473	656	$16
Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350	516	$192
Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179	378	$44
Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,548 across 12 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Practice location

100 N State College Blvd Ste H

Fullerton, CA 92831-4236

Phone: (714) 824-6565

Fax: (714) 930-7926

Street-level locationGet directions

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Mailing address