Ekaterina Grebenyuk, MD
Obstetrics & Gynecology Physician · Wynnewood, PA
Ekaterina Grebenyuk, MD is an obstetrics & gynecology physician with a practice address in Wynnewood, Pennsylvania, and NPI 1528683026, issued on Jun 10, 2020. Check the license (Pennsylvania MT221322, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ekaterina Grebenyuk
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MT221322 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Lancaster Ave, Wynnewood, PA 19096
- Phone
- (484) 476-2000
- Enumerated
- Jun 10, 2020
- Record last updated
- Jun 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Also registered at 100 E Lancaster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ekaterina Grebenyuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT221322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
61 Medicare Part D claims for 40 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
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.
Industry payments in 2024: $44.55
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma Global Development. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ekaterina Grebenyuk among 1,974 obstetrics & gynecology physician records in Pennsylvania
Ekaterina Grebenyuk, 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 fileNo · 60% of these records are
- Record last updated2020 · 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).
54 obstetrics & gynecology physician records list a practice address in Wynnewood
They are 54 of the 1,246 NPPES records with a practice address in Wynnewood, and 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in Wynnewood → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Alexander Anthopoulos, M.D.Wynnewood, PA 190961700826047
- Raymond Belden, MDWynnewood, PA 190961083826333
- Gregory Bolton, M.D.Wynnewood, PA 190961043248271
- Norman Brest, MDWynnewood, PA 190961215988621
- Mark Chasteney, M.D.Wynnewood, PA 190961558301218
- Mark Finnegan, MDWynnewood, PA 190961891907143
- Jennifer Gilbert, D.O.Wynnewood, PA 190961083636831
- Joseph Gobern, M.D.Wynnewood, PA 190961740384056
Common questions
What is Ekaterina Grebenyuk, MD's NPI number?
Ekaterina Grebenyuk, MD's National Provider Identifier (NPI) is 1528683026, issued on Jun 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ekaterina Grebenyuk, MD located?
The NPPES record lists a practice address at 100 E Lancaster Ave, Wynnewood, PA, 19096. Phone: (484) 476-2000. Providers update this record themselves, so call before visiting.
How can I verify Ekaterina Grebenyuk, MD's license?
NPPES lists Pennsylvania license number MT221322, 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 Ekaterina Grebenyuk, MD prescribe under Medicare Part D?
In 2024, Ekaterina Grebenyuk, MD had 61 Medicare Part D claims for 40 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.