Jefferson Naylor Brownell, MD
Pediatric Gastroenterology Physician · Philadelphia, PA
Jefferson Naylor Brownell, MD is a pediatric gastroenterology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1821383456, issued on Jun 11, 2011. Check the license (Pennsylvania MD458939, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Jefferson Naylor Brownell
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- MD458939 PA
MT207989 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 Civic Center Blvd, Philadelphia, PA 19104
- Phone
- (267) 455-4312
- Enumerated
- Jun 11, 2011
- Record last updated
- Aug 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200624000527); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 163 in Pennsylvania → Look up another NPI →
Also registered at 3401 Civic Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arlene Abelard-Daniel, CRNPPediatric Nurse Practitioner1639599764
- Margarita Abella, MDPediatrics Physician1609338300
- Nicholas Abend, MDNeurology with Special Qualifications in Child Neurology Physician1679638969
Verify Jefferson Naylor Brownell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD458939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Childrens Health Care Associates IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jefferson Naylor Brownell among 163 pediatric gastroenterology physician records in Pennsylvania
Jefferson Naylor Brownell, MD is one of 163 pediatric gastroenterology physician records with a practice address in Pennsylvania. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 56% of them.
- NPI issued2011 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated2011 · median 2007 among the 32 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Pennsylvania
There are 163 pediatric gastroenterology physician records in Pennsylvania.
All 163 in Pennsylvania → Every provider in Philadelphia → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Robert Baldassano, M.D.Philadelphia, PA 191041104847961
- Hillary Burdette, M.D.Philadelphia, PA 191041972523256
- Patricia Derusso, C.R.N.P.Philadelphia, PA 191041386689131
- Kristin Fiorino, MDPhiladelphia, PA 191041821032921
- Joshua Friedman, M.D.Philadelphia, PA 191041639198914
- Barbara Haber, M.D.Philadelphia, PA 191041154343226
- Robert Heuckeroth, MDPhiladelphia, PA 191041659398188
- Janice Kelly, M.D.Philadelphia, PA 191041427071257
Common questions
What is Jefferson Naylor Brownell, MD's NPI number?
Jefferson Naylor Brownell, MD's National Provider Identifier (NPI) is 1821383456, issued on Jun 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jefferson Naylor Brownell, MD located?
The NPPES record lists a practice address at 3401 Civic Center Blvd, Philadelphia, PA, 19104. Phone: (267) 455-4312. Providers update this record themselves, so call before visiting.
How can I verify Jefferson Naylor Brownell, MD's license?
NPPES lists Pennsylvania license number MD458939, 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. 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.