Spencer L. Penn, D.O.
Emergency Medicine Physician · Newtown Square, PA
Spencer L. Penn, D.O. is an emergency medicine physician with a practice address in Newtown Square, Pennsylvania, and NPI 1245361187, issued on Mar 9, 2007. Check the license (Pennsylvania OS013973, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Spencer L. Penn
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS013973 PA
Self-reported in NPPES; status is on the state search - Practice location
- 15 Campus Blvd, Newtown Square, PA 19073
- Phone
- (484) 420-2554
- Enumerated
- Mar 9, 2007
- Record last updated
- Sep 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090924000714); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 15 Campus Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Corrato, M.D.Internal Medicine Physician1003827072
- Tamatra Crook, M.D.Internal Medicine Physician1891032165
- John D'Ambrosio, D.O.Emergency Medicine Physician1740348853
- Praphulla Hebbalalu, M.D.Internal Medicine Physician1174549331
- Rosemary Horstman, MDEmergency Medicine Physician1013230770
Verify Spencer L. Penn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS013973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average emergency medicine physician in 2024
283 Medicare Part D claims for 192 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 36 claims were for opioids.
Most prescribed
- Prednisone32 claims
- Oxycodone-Acetaminophen24 claims
- Levofloxacin18 claims
- Nitrofurantoin Mono-Macro18 claims
- Ondansetron Odt18 claims
- Amoxicillin-Clavulanate Potass13 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: $46.69
3 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 12,335 providers of this specialty with any payment received $953.79 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.
Bills Medicare through 3 group practices
- Cep America LLCLanghorne, PA
- Emergency Care Services OF Pennsylvania PCLanghorne, PA
- Penn State Health Medical Group LLCCamp Hill, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer L. Penn among 3,911 emergency medicine physician records in Pennsylvania
Spencer L. Penn, D.O. is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 31% of them.
- NPI issued2007 · 31% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2004 · median 2013 among the 2,231 with a school on file
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Newtown Square → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John D'Ambrosio, D.O.Newtown Square, PA 190731740348853
- Rosemary Horstman, MDNewtown Square, PA 190731013230770
- Melissa Burkhart, MDRidley Park, PA 190781689630030
- Suzanna Hutchinson, MDRidley Park, PA 190781861553687
- Tamika King, MDRidley Park, PA 190781356375265
- Cynthia Lee, M.D.Ridley Park, PA 190781568638815
- Lara Samson, M.D.Yardley, PA 190671194083360
- Mary Kathryn Jones, MD, MSC, MASwarthmore, PA 190811467851469
Common questions
What is Spencer L. Penn, D.O.'s NPI number?
Spencer L. Penn, D.O.'s National Provider Identifier (NPI) is 1245361187, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Spencer L. Penn, D.O. located?
The NPPES record lists a practice address at 15 Campus Blvd, Newtown Square, PA, 19073. Phone: (484) 420-2554. Providers update this record themselves, so call before visiting.
How can I verify Spencer L. Penn, D.O.'s license?
NPPES lists Pennsylvania license number OS013973, 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 Spencer L. Penn, D.O. prescribe under Medicare Part D?
In 2024, Spencer L. Penn, D.O. had 283 Medicare Part D claims for 192 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.