Arthur Ersner, MD
Internal Medicine Physician · Norristown, PA
Arthur Ersner, MD is an internal medicine physician with a practice address in Norristown, Pennsylvania, and NPI 1952354011, issued on May 18, 2006. Check the license (Pennsylvania MD016530E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Arthur Ersner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD016530E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1411 Powell St, Norristown, PA 19401
- Phone
- (610) 279-8300
- Enumerated
- May 18, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (610) 279-5965
- Medicaid ID
- 0006268140005 PA
- Medicare enrollment
- Enrolled (PECOS I20040115000980); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Verify Arthur Ersner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD016530ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
127 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate12 claims
- Levothyroxine Sodium11 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.
Bills Medicare through one group practice
- Fornance Physician Services IncEast Norriton, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arthur Ersner among 7,300 internal medicine physician records in Pennsylvania
Arthur Ersner, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1974 · median 2008 among the 4,208 with a school on file
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Norristown
They are 29 of the 818 NPPES records with a practice address in Norristown, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Norristown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Malorie Budman, D.O.Norristown, PA 194011821030321
- Philip Digiacomo, MDNorristown, PA 194011760435861
- Susan Ginsberg, MDNorristown, PA 194011821043175
- Payce Handler HaleyNorristown, PA 194011639229651
- Indira Khanna, MDNorristown, PA 194011356478747
- Michael Magro, D.O.Norristown, PA 194011750381588
- Michael Mash, MD LLCNorristown, PA 194011669562583
- Bernard McDonnell, D.O.East Norriton, PA 194011285798322
Common questions
What is Arthur Ersner, MD's NPI number?
Arthur Ersner, MD's National Provider Identifier (NPI) is 1952354011, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur Ersner, MD located?
The NPPES record lists a practice address at 1411 Powell St, Norristown, PA, 19401. Phone: (610) 279-8300. Providers update this record themselves, so call before visiting.
How can I verify Arthur Ersner, MD's license?
NPPES lists Pennsylvania license number MD016530E, 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 Arthur Ersner, MD prescribe under Medicare Part D?
In 2024, Arthur Ersner, MD had 127 Medicare Part D claims for 30 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.