Olga Kosoy, PA-C
Physician Assistant · Belleville, NJ
Olga Kosoy, PA-C is a physician assistant with a practice address in Belleville, New Jersey, and NPI 1275749814, issued on May 14, 2007. Check the license (New Jersey 25MP00103300, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olga Kosoy
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 25MP00103300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 5 Franklin Ave, Belleville, NJ 07109
- Phone
- (973) 450-8999
- Enumerated
- May 14, 2007
- Record last updated
- Dec 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (973) 450-9669
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,393 in New Jersey → Look up another NPI →
Also registered at 5 Franklin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Olga Kosoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 25MP00103300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
184 Medicare Part D claims for 47 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims. 12 claims were for opioids.
Most prescribed
- Prosol52 claims
- Calcium Acetate23 claims
- Tramadol Hcl12 claims
- Velphoro11 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.
Olga Kosoy among 3,393 physician assistant records in New Jersey
Olga Kosoy, PA-C is one of 3,393 physician assistant records with a practice address in New Jersey. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 84% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2011 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 physician assistant records list a practice address in Belleville
They are 51 of the 561 NPPES records with a practice address in Belleville, and 3,393 physician assistant records in New Jersey.
All 3,393 in New Jersey → Every provider in Belleville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Catherine Barra, PABelleville, NJ 071091740479658
- Jennifer Beeh, PA-CBelleville, NJ 071091619119070
- Mary Bentivegna, PABelleville, NJ 071091326061524
- Richard Grabowski, PABelleville, NJ 071091457469439
- Aleksey Ikhelson, PABelleville, NJ 071091770652968
- Diana Khaitov, PABelleville, NJ 071091346564028
- Claude Krause, PABelleville, NJ 071091396768529
- Courtney Lennox, PABelleville, NJ 071091558551564
Common questions
What is Olga Kosoy, PA-C's NPI number?
Olga Kosoy, PA-C's National Provider Identifier (NPI) is 1275749814, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Olga Kosoy, PA-C located?
The NPPES record lists a practice address at 5 Franklin Ave, Belleville, NJ, 07109. Phone: (973) 450-8999. Providers update this record themselves, so call before visiting.
How can I verify Olga Kosoy, PA-C's license?
NPPES lists New Jersey license number 25MP00103300, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Olga Kosoy, PA-C prescribe under Medicare Part D?
In 2024, Olga Kosoy, PA-C had 184 Medicare Part D claims for 47 beneficiaries; the average among physician assistant prescribers was 830. 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.