Michael Seidman, MD
NPI 1982728283 · Hematology & Oncology Physician · Horsham, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Seidman, MD is a Hematology & Oncology Physician provider in Horsham, PA (NPI 1982728283).
Provider details
- NPI number
- 1982728283
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD425574 (PA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,517 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 | 360 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $138 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 166 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 160 | $98 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 104 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 228 | 79 |
| Apixabanbrand: Eliquis | 86 | 16 |
| Exemestane | 62 | 12 |
| Ondansetron Hcl | 42 | 25 |
| Hydroxyurea | 34 | 11 |
| Rivaroxabanbrand: Xarelto | 30 | 12 |
| Letrozole | 26 | — |
| Acyclovir |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,322 across 7 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)
- 1648 Huntingdon Pike Ste 1000Meadowbrook, PA 19046-8001Phone: (215) 947-5460Fax: (215) 947-1378
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2019-09-03
Frequently asked questions
- What is Michael Seidman's NPI number?
- Michael Seidman's National Provider Identifier (NPI) is 1982728283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Seidman's specialty?
- Michael Seidman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Seidman located?
- Michael Seidman's practice location on file with NPPES is 201 Gibraltar Rd Ste 120, Horsham, PA 19044-2331.
- What is Michael Seidman's phone number?
- The practice phone number listed in the NPPES registry for Michael Seidman is (215) 706-2034.
- Does Michael Seidman accept Medicare?
- Michael Seidman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Seidman's NPI active?
- Yes — Michael Seidman's NPI (1982728283) is active in the NPPES registry as of the last update on 2019-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.