Stephen Firshein, MD
NPI 1467557694 · Hematology & Oncology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Firshein, MD is a Hematology & Oncology Physician provider in Hartford, CT (NPI 1467557694).
Provider details
- NPI number
- 1467557694
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 018794 (CT)
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
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
2,987 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 966 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 384 | $134 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 347 | $67 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 334 | $21 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 133 | $30 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 125 |
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 |
|---|---|---|
| Hydroxyurea | 117 | 31 |
| Atorvastatin Calcium | 109 | 33 |
| Ruxolitinib Phosphatebrand: Jakafi | 103 | 11 |
| Amlodipine Besylate | 48 | 17 |
| Apixabanbrand: Eliquis | 48 | 14 |
| Metformin Hcl | 48 | — |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,491 across 70 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
- 2006-09-13
- Last updated
- 2015-05-27
Frequently asked questions
- What is Stephen Firshein's NPI number?
- Stephen Firshein's National Provider Identifier (NPI) is 1467557694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Firshein's specialty?
- Stephen Firshein is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Firshein located?
- Stephen Firshein's practice location on file with NPPES is 85 Seymour St, Hartford, CT 06106-5501.
- What is Stephen Firshein's phone number?
- The practice phone number listed in the NPPES registry for Stephen Firshein is (860) 246-6647.
- Does Stephen Firshein accept Medicare?
- Stephen Firshein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Firshein's NPI active?
- Yes — Stephen Firshein's NPI (1467557694) is active in the NPPES registry as of the last update on 2015-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.