Nathan Irwin Feldman, M.D.
Diagnostic Radiology Physician · Phoenixville, PA
Nathan Irwin Feldman, M.D. is a diagnostic radiology physician with a practice address in Phoenixville, Pennsylvania, and NPI 1225016215, issued on Jan 9, 2006. Check the license (Pennsylvania MD-031826-E, 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
- Nathan Irwin Feldman
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD-031826-E PA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Logan RD, Phoenixville, PA 19460
- Phone
- (610) 933-5340
- Enumerated
- Jan 9, 2006
- Record last updated
- Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (610) 917-1230
- Medicaid ID
- 01-1050698 PA
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 2,199 in Pennsylvania → Look up another NPI →
Verify Nathan Irwin Feldman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD-031826-ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nathan Irwin Feldman among 2,199 diagnostic radiology physician records in Pennsylvania
Nathan Irwin Feldman, M.D. is one of 2,199 diagnostic radiology physician records with a practice address in Pennsylvania. 72% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 47% newer
- In a Medicare fileNo · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Pennsylvania
There are 2,199 diagnostic radiology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,199 in Pennsylvania → Every provider in Phoenixville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Harry Chen, MDPhoenixville, PA 194601588600779
- John Egan, DOPhoenixville, PA 194601801832084
- Aamer Farooki, M.D.Phoenixville, PA 194601316941859
- Steven Greenberg, MDPhoenixville, PA 194601205872496
- Lisa Klein, MDPhoenixville, PA 194601982640199
- David Levy, MDPhoenixville, PA 194601013953751
- David Malamed, MDPhoenixville, PA 194601275579468
- Enn Chen, M.D.Pottstown, PA 194641730259789
Common questions
What is Nathan Irwin Feldman, M.D.'s NPI number?
Nathan Irwin Feldman, M.D.'s National Provider Identifier (NPI) is 1225016215, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Irwin Feldman, M.D. located?
The NPPES record lists a practice address at 500 Logan RD, Phoenixville, PA, 19460. Phone: (610) 933-5340. Providers update this record themselves, so call before visiting.
How can I verify Nathan Irwin Feldman, M.D.'s license?
NPPES lists Pennsylvania license number MD-031826-E, 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.