Grigori Okoev, M.D.
Hematology & Oncology Physician · York, PA
Grigori Okoev, M.D. is a hematology & oncology physician with a practice address in York, Pennsylvania, and NPI 1346635679, issued on Apr 2, 2015. Check the license (Pennsylvania MD479403, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Grigori Okoev
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD479403 PA
D0091105 MD
Self-reported in NPPES; status is on the state search - Practice location
- 25 Monument RD Ste 294, York, PA 17403
- Phone
- (717) 741-9229
- Enumerated
- Apr 2, 2015
- Entity
- Type 1 · individual
Also registered at 25 Monument RD Ste 294
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Crouse, PHARMDPharmacotherapy Pharmacist1811831753
- Jackson Gao, MDInternal Medicine Physician1538663208
- Joyce Huang, MD PHDHematology & Oncology Physician1285991638
- Chanh Huynh, MDHematology & Oncology Physician1134324536
- Joseph Kannarkatt, M.D.Hematology & Oncology Physician1124311956
- Shermeen MuhammadFamily Nurse Practitioner1457231128
Verify Grigori Okoev in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD479403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
31% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,159 Medicare Part D claims for 226 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Anastrozole155 claims
- Dexamethasone122 claims
- Prochlorperazine Maleate97 claims
- Prednisone64 claims
- Acyclovir49 claims
- Eliquis38 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.
Industry payments in 2024: $98.77
8 payments, mostly food and beverage; the largest payer was Alexion Pharmaceuticals, Inc.. The 6,678 providers of this specialty with any payment received $7,643.36 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.
One hospital or facility affiliation
- Cancer Care Associates OF York, Inc.York, PA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hematology & Oncology Physician providers in Pennsylvania
There are 657 hematology & oncology physician records in Pennsylvania.
Other hematology & oncology physician records in Pennsylvania
- Abdullateef Abdulkareem, M.D.Lancaster, PA1386027068
- Charles Abrams, MDPhiladelphia, PA1184668071
- Tala AchkarPittsburgh, PA1104268242
- Monica Adedeji, MD, MPHHershey, PA1487146999
- Giridhar Adiga, MDEphrata, PA1356374417
- Christian Adonizio, MDDanville, PA1932198629
- Parul Agarwal, MDPhiladelphia, PA1336534809
- Charu Aggarwal, MD, MPHPhiladelphia, PA1114181740
- Mounzer Agha, M.D.Pittsburgh, PA1669442638
- Obed AgyeiDanville, PA1659936474
Common questions
What is Grigori Okoev, M.D.'s NPI number?
Grigori Okoev, M.D.'s National Provider Identifier (NPI) is 1346635679, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Grigori Okoev, M.D. located?
The NPPES record lists a practice address at 25 Monument RD Ste 294, York, PA, 17403. Phone: (717) 741-9229. Providers update this record themselves, so call before visiting.
How can I verify Grigori Okoev, M.D.'s license?
NPPES lists Pennsylvania license number MD479403, 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 Grigori Okoev, M.D. prescribe under Medicare Part D?
In 2024, Grigori Okoev, M.D. had 1,159 Medicare Part D claims for 226 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.