Grant Willey Barton, MD
Hospitalist Physician · Philadelphia, PA
Grant Willey Barton, MD is a hospitalist physician with a practice address in Philadelphia, Pennsylvania, and NPI 1902199227, issued on May 19, 2011. Check the license (Pennsylvania MD450329, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Grant Willey Barton
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD450329 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce St, Philadelphia, PA 19104
- Phone
- (215) 662-3797
- Enumerated
- May 19, 2011
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Abboud, MDEmergency Medicine Physician1962820852
- Emily AbdelmessihPediatric Pharmacist1891612560
- Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
- Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
- Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973
Verify Grant Willey Barton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD450329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.56
1 payment: food and beverage; the largest payer was Amgen Inc. The 7,324 providers of this specialty with any payment received $494.84 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.
Grant Willey Barton among 1,424 hospitalist physician records in Pennsylvania
Grant Willey Barton, MD is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% 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 37% of them.
- NPI issued2011 · 37% of these records are older, 58% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileNo · 87% of these records are
- Record last updated2022 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Pennsylvania
There are 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Philadelphia → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Susan Day, MDPhiladelphia, PA 191041992737290
- Carmen Guerra, MDPhiladelphia, PA 191041356373781
- Todd Hecht, MDPhiladelphia, PA 191041841227014
- David Horowitz, MDPhiladelphia, PA 191041679505036
- Michelle Hu, MDPhiladelphia, PA 191041891721593
- Emmanuel King, MDPhiladelphia, PA 191041598753469
- Laura Kosseim, MDPhiladelphia, PA 191041912933607
- Philip Masters, MDPhiladelphia, PA 191041265481634
Common questions
What is Grant Willey Barton, MD's NPI number?
Grant Willey Barton, MD's National Provider Identifier (NPI) is 1902199227, issued on May 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Grant Willey Barton, MD located?
The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-3797. Providers update this record themselves, so call before visiting.
How can I verify Grant Willey Barton, MD's license?
NPPES lists Pennsylvania license number MD450329, 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.