Korey Wasyl Onulack, MD
Obstetrics & Gynecology Physician · Philadelphia, PA
Korey Wasyl Onulack, MD is an obstetrics & gynecology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1649809187, issued on Apr 6, 2020. Check the license (Pennsylvania MD485904, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Korey Wasyl Onulack
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD485904 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 N Broad St, Philadelphia, PA 19140
- Phone
- (215) 707-2000
- Enumerated
- Apr 6, 2020
- Record last updated
- Aug 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20240806003579); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 3401 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ziyodakhon Abdujabborova, MDInternal Medicine Physician1699391839
- Asia Abdul-Haqq, CNMAdvanced Practice Midwife1588679161
Verify Korey Wasyl Onulack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD485904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
44 Medicare Part D claims for 27 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Oxycodone Hcl11 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
- Temple Faculty Practice Plan IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Korey Wasyl Onulack among 1,974 obstetrics & gynecology physician records in Pennsylvania
Korey Wasyl Onulack, MD is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2007 among the 1,176 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Pennsylvania
There are 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in Philadelphia → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Leah Ahoya, M.D.Philadelphia, PA 191401831390095
- Raymond Brown, MDPhiladelphia, PA 191401376531301
- Bruce Carnivale, DOPhiladelphia, PA 191401598741126
- Ashwin Chatwani, MDPhiladelphia, PA 191401396733317
- Priscila Cummings, MDPhiladelphia, PA 191401457545071
- Michelle Duncan, MDPhiladelphia, PA 191401467499400
- David Dzurinko, MDPhiladelphia, PA 191401083691968
- Stacey Jeronis, MDPhiladelphia, PA 191401508854704
Common questions
What is Korey Wasyl Onulack, MD's NPI number?
Korey Wasyl Onulack, MD's National Provider Identifier (NPI) is 1649809187, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Korey Wasyl Onulack, MD located?
The NPPES record lists a practice address at 3401 N Broad St, Philadelphia, PA, 19140. Phone: (215) 707-2000. Providers update this record themselves, so call before visiting.
How can I verify Korey Wasyl Onulack, MD's license?
NPPES lists Pennsylvania license number MD485904, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Korey Wasyl Onulack, MD prescribe under Medicare Part D?
In 2024, Korey Wasyl Onulack, MD had 44 Medicare Part D claims for 27 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.