Harry Nigoghosian, D.D.S.
Dentist · Monrovia, CA
Harry Nigoghosian, D.D.S. is a dentist with a practice address in Monrovia, California, and NPI 1851705560, issued on Jun 20, 2014. Check the license (California 63486, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harry Nigoghosian
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 63486 CA
Self-reported in NPPES; status is on the state search - Practice location
- 251 Grand Ave, Monrovia, CA 91016
- Phone
- (626) 429-9724
- Enumerated
- Jun 20, 2014
- Record last updated
- Jun 20, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 251 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Johnny Nigoghosian, D.D.S.Dentist1821402538
Verify Harry Nigoghosian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 63486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average dentist in 2024
307 Medicare Part D claims for 107 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Amoxicillin121 claims
- Ibuprofen82 claims
- Chlorhexidine Gluconate44 claims
- Clindamycin Hcl27 claims
- Hydrocodone-Acetaminophen11 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.
Harry Nigoghosian among 14,729 dentist records in California
Harry Nigoghosian, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 63% of them.
- NPI issued2014 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 dentist records list a practice address in Monrovia
They are 11 of the 17,347 NPPES records with a practice address in Monrovia, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Monrovia → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Evelyn Chan, D.D.S.Monrovia, CA 910161669790325
- Paul Genino, D.D.S.Monrovia, CA 910161225196959
- Neda Ghofranian, DMDMonrovia, CA 910161861983108
- Omid Kashani, D.D.S.Monrovia, CA 910161528123981
- Ivy Li, DDSMonrovia, CA 910161124183140
- Monica Munoz, D.D.S.Monrovia, CA 910161235154733
- Robert Nalbach, DDSMonrovia, CA 910161841460979
- Johnny Nigoghosian, D.D.S.Monrovia, CA 910161821402538
Common questions
What is Harry Nigoghosian, D.D.S.'s NPI number?
Harry Nigoghosian, D.D.S.'s National Provider Identifier (NPI) is 1851705560, issued on Jun 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Harry Nigoghosian, D.D.S. located?
The NPPES record lists a practice address at 251 Grand Ave, Monrovia, CA, 91016. Phone: (626) 429-9724. Providers update this record themselves, so call before visiting.
How can I verify Harry Nigoghosian, D.D.S.'s license?
NPPES lists California license number 63486, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Harry Nigoghosian, D.D.S. prescribe under Medicare Part D?
In 2024, Harry Nigoghosian, D.D.S. had 307 Medicare Part D claims for 107 beneficiaries; the average among dentist prescribers was 86. 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.