Marc Effron, M.D.
NPI 1023218815 · Physical Medicine & Rehabilitation Physician · King of Prussia, PA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Effron, M.D. is a Physical Medicine & Rehabilitation Physician provider in King of Prussia, PA (NPI 1023218815).
Provider details
- NPI number
- 1023218815
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD433772 (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
18 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
4,401 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 931 | $93 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 571 | $23 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 558 | $28 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 427 | $11 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 341 | $21 |
| Therapy Procedure Using Functional Activities97530 | 282 | $37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 173 | 70 |
| Tramadol Hcl | 132 | 44 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 119 | 27 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 88 | 26 |
| Pregabalin | 51 | 17 |
| Oxycodone Hcl | 44 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$381 across 12 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
- 2007-07-20
- Last updated
- 2021-04-06
- Certified
- 2021-04-06
Frequently asked questions
- What is Marc Effron's NPI number?
- Marc Effron's National Provider Identifier (NPI) is 1023218815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Effron's specialty?
- Marc Effron is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Effron located?
- Marc Effron's practice location on file with NPPES is 700 S Henderson Rd, King of Prussia, PA 19406-3530.
- What is Marc Effron's phone number?
- The practice phone number listed in the NPPES registry for Marc Effron is (610) 337-3111.
- Does Marc Effron accept Medicare?
- Marc Effron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Effron's NPI active?
- Yes — Marc Effron's NPI (1023218815) is active in the NPPES registry as of the last update on 2021-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.