Thomas Harder, M.D.
NPI 1174568612 · Rheumatology Physician · Wynnewood, PA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Harder, M.D. is a Rheumatology Physician provider in Wynnewood, PA (NPI 1174568612).
Provider details
- NPI number
- 1174568612
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD072001L (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
20 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
2,485 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 898 | $131 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 330 | $77 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 320 | $15 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 200 | $74 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 179 | $185 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 453 | 165 |
| Methotrexate Sodiumbrand: Methotrexate | 342 | 96 |
| Tramadol Hcl | 315 | 64 |
| Hydroxychloroquine Sulfate | 213 | 58 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 204 | 29 |
| Lorazepam | 138 | 32 |
| Oxycodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,912 across 174 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
- 2006-06-18
- Last updated
- 2012-11-02
Frequently asked questions
- What is Thomas Harder's NPI number?
- Thomas Harder's National Provider Identifier (NPI) is 1174568612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Harder's specialty?
- Thomas Harder is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Harder located?
- Thomas Harder's practice location on file with NPPES is 100 E Lancaster Ave, Wynnewood, PA 19096-3450.
- What is Thomas Harder's phone number?
- The practice phone number listed in the NPPES registry for Thomas Harder is (610) 896-8400.
- Does Thomas Harder accept Medicare?
- Thomas Harder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Harder's NPI active?
- Yes — Thomas Harder's NPI (1174568612) is active in the NPPES registry as of the last update on 2012-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.