Jay Nayak, M.D.
NPI 1427275437 · Hematology & Oncology Physician · Anderson, SC
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jay Nayak, M.D. is a Hematology & Oncology Physician provider in Anderson, SC (NPI 1427275437).
Provider details
- NPI number
- 1427275437
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301097997 (MI)
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,940 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,247 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 897 | $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 | 644 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 616 | $179 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 450 | $126 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 207 | 56 |
| Apixabanbrand: Eliquis | 122 | 18 |
| Ondansetron Hcl | 101 | 54 |
| Prednisone | 81 | 20 |
| Hydroxyurea | 60 | 11 |
| Levothyroxine Sodium | 56 | 12 |
| Dexamethasone | 55 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$861 across 39 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
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2017-02-21
Frequently asked questions
- What is Jay Nayak's NPI number?
- Jay Nayak's National Provider Identifier (NPI) is 1427275437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Nayak's specialty?
- Jay Nayak is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Nayak located?
- Jay Nayak's practice location on file with NPPES is 2000 E Greenville St, Anderson, SC 29621-1580.
- What is Jay Nayak's phone number?
- The practice phone number listed in the NPPES registry for Jay Nayak is (864) 512-4580.
- Does Jay Nayak accept Medicare?
- Jay Nayak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jay Nayak's NPI active?
- Yes — Jay Nayak's NPI (1427275437) is active in the NPPES registry as of the last update on 2017-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.