Individual provider Active NPI

Grigori Okoev, M.D.

  • Hematology & Oncology Physician
  • York, PA
National Provider Identifier
1346635679
Registry record updated Apr 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
MD479403 Issued in PA
Practice address
25 Monument Rd Ste 294
York, PA 17403-5049
Phone
(717) 741-9229
Fax
(717) 741-9605
NPI assigned
Apr 2, 2015
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X D0091105 MD
Hematology & Oncology Physician 207RH0003X MD479403 PA Primary
Internal Medicine Physician 207R00000X D0091105 MD

Addresses

Primary practice location

25 Monument Rd Ste 294
York, PA 17403-5049

Mailing address

601 Memory LN
York, PA 17402-2231
Phone (717) 851-1405

Other practice location 1

9103 Franklin Square Dr
Rosedale, MD 21237-3900
Phone (443) 777-7147

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221129000603 PA Practitioner - Hematology/Oncology 5395093645 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
University of Minnesota Medical School, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Cancer Care Associates of York, Inc.Group PAC ID 1456336726, 15 clinicians

Practice addresses (Care Compare)

25 Monument Rd
Suite 294
York, PA 17403-5049
Phone (717) 741-9229

Hospital & facility affiliations

  • Wellspan York Hospital Hospital, York, PA, CCN 390046
  • Gettysburg Hospital Hospital, Gettysburg, PA, CCN 390065

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as individual
Quality
100
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
29104MNMDClinical Social Worker
D0091105MDMDInternal Medicine Physician
MD479403PAMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cancer Care Associates of York, Inc. Hematology & Oncology CurrentSince Dec 1, 2022 Accepting new patients

Locations

25 Monument Rd
Ste 294
York, PA 17403
Phone (717) 741-8211

Interoperability endpoints

  • Direct secure messaging: gokoev354660@wellspan.direct-ci.com

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1427932800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1346635679",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231",
            "telephone_number": "717-851-1405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 MONUMENT RD STE 294",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174035049",
            "telephone_number": "717-741-9229",
            "fax_number": "717-741-9605"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9103 Franklin Square Dr",
            "address_purpose": "LOCATION",
            "city": "Rosedale",
            "state": "MD",
            "postal_code": "212373900",
            "country_code": "US",
            "telephone_number": "443-777-7147",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OKOEV",
        "first_name": "GRIGORI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-04-02",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MD",
            "license": "D0091105",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "PA",
            "license": "MD479403",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0091105",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in York, PA

Sources for this page

Verify at the official NPI Registry.