Marc Effron, M.D.
Physical Medicine & Rehabilitation Physician · King Of Prussia, PA
Marc Effron, M.D. is a physical medicine & rehabilitation physician with a practice address in King Of Prussia, Pennsylvania, and NPI 1023218815, issued on Jul 20, 2007. Check the license (Pennsylvania MD433772, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marc Effron
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- MD433772 PA
Self-reported in NPPES; status is on the state search - Practice location
- 700 S Henderson RD, King Of Prussia, PA 19406
- Phone
- (610) 337-3111
- Enumerated
- Jul 20, 2007
- Entity
- Type 1 · individual
Also registered at 700 S Henderson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Badulak, DOFamily Medicine Physician1225131824
- Susan Blackmore, OTHand Occupational Therapist1841368511
- Scott Davidoff, M.D.Physical Medicine & Rehabilitation Physician1053434399
- Marianne Dunphy, OTHand Occupational Therapist1265509640
- Jenifer Haines, OTOccupational Therapist1174730642
- Dena Hornung, OTHand Occupational Therapist1699982173
Verify Marc Effron in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD433772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
19% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
947 Medicare Part D claims for 233 beneficiaries, against an average of 793 among the 6,932 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 480 claims were for opioids.
Most prescribed
- Gabapentin173 claims
- Tramadol Hcl132 claims
- Oxycodone-Acetaminophen119 claims
- Hydrocodone-Acetaminophen88 claims
- Pregabalin51 claims
- Oxycodone Hcl44 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $380.70
12 payments, mostly food and beverage; the largest payer was Painteq LLC. The 3,710 providers of this specialty with any payment received $1,441.21 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Roy M Lerman M D P CKing Of Prussia, PA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Physical Medicine & Rehabilitation Physician providers in Pennsylvania
There are 829 physical medicine & rehabilitation physician records in Pennsylvania.
All 829 in Pennsylvania → Every provider in King Of Prussia →
Other physical medicine & rehabilitation physician records in Pennsylvania
- Nader Abdelmassieh, MDMonongahela, PA1306844485
- Christina Abraham, M.D.Warminster, PA1053514794
- Mathew Abraham, MDBlue Bell, PA1083818512
- Benjamin Abramoff, M.D.Philadelphia, PA1992148118
- Peggy Abrams, M.D.Philadelphia, PA1013286814
- Yahira Acevedo-Santiago, M.D.Allentown, PA1720420706
- Shahrear Ahmed, DOPhiladelphia, PA1134861354
- Chang Ahn, MDLancaster, PA1205877982
- Chulhyun Ahn, M.D.Danville, PA1659691558
- Ramzan Akbar, M.D.Coatesville, PA1134143787
Common questions
What is Marc Effron, M.D.'s NPI number?
Marc Effron, M.D.'s National Provider Identifier (NPI) is 1023218815, issued on Jul 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marc Effron, M.D. located?
The NPPES record lists a practice address at 700 S Henderson RD, King Of Prussia, PA, 19406. Phone: (610) 337-3111. Providers update this record themselves, so call before visiting.
How can I verify Marc Effron, M.D.'s license?
NPPES lists Pennsylvania license number MD433772, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Effron, M.D. prescribe under Medicare Part D?
In 2024, Marc Effron, M.D. had 947 Medicare Part D claims for 233 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 793. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.