Grigori Okoev, M.D.
NPI 1346635679 · Hematology & Oncology Physician · York, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grigori Okoev, M.D. is a Hematology & Oncology Physician provider in York, PA (NPI 1346635679).
Provider details
- NPI number
- 1346635679
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0091105 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
9,396 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,413 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,330 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,005 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 737 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 621 | $178 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 155 | 30 |
| Dexamethasone | 122 | 33 |
| Prochlorperazine Maleate | 97 | 64 |
| Prednisone | 64 | 28 |
| Acyclovir | 49 | 11 |
| Apixabanbrand: Eliquis | 38 | 14 |
| Mirtazapine | 35 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 9103 Franklin Square DrRosedale, MD 21237-3900Phone: (443) 777-7147
Registry dates
- Enumerated
- 2015-04-02
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Grigori Okoev's NPI number?
- Grigori Okoev's National Provider Identifier (NPI) is 1346635679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grigori Okoev's specialty?
- Grigori Okoev is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Grigori Okoev located?
- Grigori Okoev's practice location on file with NPPES is 25 Monument Rd Ste 294, York, PA 17403-5049.
- What is Grigori Okoev's phone number?
- The practice phone number listed in the NPPES registry for Grigori Okoev is (717) 741-9229.
- Does Grigori Okoev accept Medicare?
- Grigori Okoev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grigori Okoev's NPI active?
- Yes — Grigori Okoev's NPI (1346635679) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.