Gregory Bohdan Woloschyn, PA-C
Physician Assistant · Concord, CA
Gregory Bohdan Woloschyn, PA-C is a physician assistant with a practice address in Concord, California, and NPI 1801363700, issued on Oct 29, 2018. Check the license (California PA56015, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Bohdan Woloschyn
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA56015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Galaxy Way # 400, Concord, CA 94520
- Phone
- (925) 225-5837
- Enumerated
- Oct 29, 2018
- Record last updated
- Oct 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190225001708); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1001 Galaxy Way # 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregorio BarajasPhysician Assistant1003470931
Verify Gregory Bohdan Woloschyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA56015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
35 Medicare Part D claims for 21 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen12 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
- Glendale Adventist Emergency Physicians IncorporatedGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Bohdan Woloschyn among 14,451 physician assistant records in California
Gregory Bohdan Woloschyn, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2018 · median 2018 among the 7,214 with a school on file
- Record last updated2018 · 40% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 physician assistant records list a practice address in Concord
They are 43 of the 9,328 NPPES records with a practice address in Concord, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Concord → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Margarita Bautista, PAConcord, CA 945201861556391
- Janice Beglau-Taylor, MDConcord, CA 945201538214937
- Gabriella Cardi, PAConcord, CA 945201467508465
- Melanie Deal, FNPConcord, CA 945201124154679
- Marla Hall, PAConcord, CA 945201790896967
- Lucinda Hopewell, PAConcord, CA 945201114070273
- Marcus Hudock, PA-CConcord, CA 945201285643213
- Doris Iaroli, PAConcord, CA 945201548310493
Common questions
What is Gregory Bohdan Woloschyn, PA-C's NPI number?
Gregory Bohdan Woloschyn, PA-C's National Provider Identifier (NPI) is 1801363700, issued on Oct 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Bohdan Woloschyn, PA-C located?
The NPPES record lists a practice address at 1001 Galaxy Way # 400, Concord, CA, 94520. Phone: (925) 225-5837. Providers update this record themselves, so call before visiting.
How can I verify Gregory Bohdan Woloschyn, PA-C's license?
NPPES lists California license number PA56015, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Bohdan Woloschyn, PA-C prescribe under Medicare Part D?
In 2024, Gregory Bohdan Woloschyn, PA-C had 35 Medicare Part D claims for 21 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.