Stephan Rosenfeld, M.D.
NPI 1083685283 · Hematology & Oncology Physician · Fayetteville, AR
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephan Rosenfeld, M.D. is a Hematology & Oncology Physician provider in Fayetteville, AR (NPI 1083685283).
Provider details
- NPI number
- 1083685283
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E3326 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
19,727 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 | 2,079 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,520 | $10 |
| Uric Acid Level, Blood84550 | 1,480 | $4 |
| Magnesium Level83735 | 1,462 | $7 |
| Phosphate Level84100 | 1,462 | $5 |
| Bilirubin Level, Direct82248 | 1,455 | $5 |
| Lactate Dehydrogenase (enzyme) Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 535 | 175 |
| Palbociclibbrand: Ibrance | 142 | 15 |
| Tamoxifen Citrate | 118 | 42 |
| Ondansetronbrand: Ondansetron Odt | 69 | 46 |
| Hydroxyurea | 57 | 13 |
| Anastrozole | 54 | 22 |
| Prochlorperazine Maleate | 51 | 33 |
| Oxycodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,879 across 85 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)
- 808 S 52nd StRogers, AR 72758-8602Phone: (479) 587-1700Fax: (479) 587-1366
Registry dates
- Enumerated
- 2006-01-27
- Last updated
- 2020-03-30
- Certified
- 2020-03-30
Frequently asked questions
- What is Stephan Rosenfeld's NPI number?
- Stephan Rosenfeld's National Provider Identifier (NPI) is 1083685283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephan Rosenfeld's specialty?
- Stephan Rosenfeld is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephan Rosenfeld located?
- Stephan Rosenfeld's practice location on file with NPPES is 3232 N Northhills Blvd, Fayetteville, AR 72703-4005.
- What is Stephan Rosenfeld's phone number?
- The practice phone number listed in the NPPES registry for Stephan Rosenfeld is (479) 587-1700.
- Does Stephan Rosenfeld accept Medicare?
- Stephan Rosenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephan Rosenfeld's NPI active?
- Yes — Stephan Rosenfeld's NPI (1083685283) is active in the NPPES registry as of the last update on 2020-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.