Cherie M. Mazeffa, DO
Emergency Medicine Physician · Philadelphia, PA
Cherie M. Mazeffa, DO is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1497723571, issued on Mar 14, 2006. Check the license (Pennsylvania OS010342L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cherie M. Mazeffa
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS010342L PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Lehigh Avenue, Philadelphia, PA 19125
- Phone
- (215) 707-1656
- Enumerated
- Mar 14, 2006
- Record last updated
- Jul 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 707-0805
- Medicaid ID
- 0017994900007 PA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 100 E Lehigh Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Derek Zecher, PAPhysician Assistant1538137674
Verify Cherie M. Mazeffa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS010342LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cherie M. Mazeffa among 3,911 emergency medicine physician records in Pennsylvania
Cherie M. Mazeffa, DO 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 not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2019 · 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).
1,006 emergency medicine physician records list a practice address in Philadelphia
They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,911 in Pennsylvania → Every provider in Philadelphia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dennis Guest, DOPhiladelphia, PA 191251962452995
- Joanne Hullings, DOPhiladelphia, PA 191251740223544
- Michelle Rankin, MDPhiladelphia, PA 191251295703395
- Joel Sommers, MDPhiladelphia, PA 191251679541775
- Robert Czincila, DOPhiladelphia, PA 191281528023165
- Dean DobkinPhiladelphia, PA 191281922173046
- Robert Emas, MDPhiladelphia, PA 191281215978879
- Neeraj Gupta, M.D.Philadelphia, PA 191281235392531
Common questions
What is Cherie M. Mazeffa, DO's NPI number?
Cherie M. Mazeffa, DO's National Provider Identifier (NPI) is 1497723571, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cherie M. Mazeffa, DO located?
The NPPES record lists a practice address at 100 E Lehigh Avenue, Philadelphia, PA, 19125. Phone: (215) 707-1656. Providers update this record themselves, so call before visiting.
How can I verify Cherie M. Mazeffa, DO's license?
NPPES lists Pennsylvania license number OS010342L, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.