David M. Mahon, DO
Physical Medicine & Rehabilitation Physician · Newtown Square, PA
David M. Mahon, DO is a physical medicine & rehabilitation physician with a practice address in Newtown Square, Pennsylvania, and NPI 1639497548, issued on May 17, 2010. Check the license (Pennsylvania OS016238, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David M. Mahon
- Credential
- DO
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- OS016238 PA
Self-reported in NPPES; status is on the state search - Practice location
- 18 Campus Blvd Ste 100, Newtown Square, PA 19073
- Phone
- (215) 600-3476
- Enumerated
- May 17, 2010
- Record last updated
- Aug 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (844) 823-2597
- Medicaid ID
- 103264248-0001 PA
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 875 in Pennsylvania → Look up another NPI →
Also registered at 18 Campus Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shekiah Brabham, LSWSocial Worker1619721529
- Bernard Harris, M.D.,MPHAddiction Medicine (Internal Medicine) Physician1619081726
- Shawn LeaskRegistered Dietitian1205294246
- Cara Lomaro, LSWSocial Worker1104625300
- Angela Long, LSWMental Health Counselor1851033252
- I'Donia-Danielle PopeSocial Worker1730937939
Verify David M. Mahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS016238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
102 Medicare Part D claims for 19 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 23 claims were for opioids.
Most prescribed
- Oxycodone Hcl22 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.
David M. Mahon among 875 physical medicine & rehabilitation physician records in Pennsylvania
David M. Mahon, DO is one of 875 physical medicine & rehabilitation physician records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 54% of them.
- NPI issued2010 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Pennsylvania
There are 875 physical medicine & rehabilitation physician records in Pennsylvania.
All 875 in Pennsylvania → Every provider in Newtown Square → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Gina Benaquista Desipio, DONarberth, PA 190721811150279
- Sumit PatelRidley Park, PA 190781285896498
- G Wilcher, M.D.Ridley Park, PA 190781336220920
- Nicholas Godek, PTAUpper Darby, PA 190821144025404
- Stacey Lendener, M.D.Springfield, PA 190641770603672
- Briana McNeil, PT, DPTUpper Darby, PA 190821285202697
- Marissa Rickards, DPTSpringfield, PA 190641306375621
- Larry Chou, M.D.Havertown, PA 190831841255643
Common questions
What is David M. Mahon, DO's NPI number?
David M. Mahon, DO's National Provider Identifier (NPI) is 1639497548, issued on May 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David M. Mahon, DO located?
The NPPES record lists a practice address at 18 Campus Blvd Ste 100, Newtown Square, PA, 19073. Phone: (215) 600-3476. Providers update this record themselves, so call before visiting.
How can I verify David M. Mahon, DO's license?
NPPES lists Pennsylvania license number OS016238, 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 David M. Mahon, DO prescribe under Medicare Part D?
In 2024, David M. Mahon, DO had 102 Medicare Part D claims for 19 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.