Joseph J. Irwin, MD
Family Medicine Physician · Ephrata, PA
Joseph J. Irwin, MD is a family medicine physician with a practice address in Ephrata, Pennsylvania, and NPI 1063522050, issued on Aug 30, 2006. Check the license (Pennsylvania MD070015L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joseph J. Irwin
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD070015L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1635 W Main St Ste 700, Ephrata, PA 17522
- Phone
- (717) 738-2468
- Enumerated
- Aug 30, 2006
- Record last updated
- Mar 26, 2026
- Medicaid ID
- 0017963180013 PA
- Medicare enrollment
- Enrolled (PECOS I20040427001381); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Joseph J. Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD070015LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family medicine physician in 2024
12,189 Medicare Part D claims for 650 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 315 claims were for opioids.
Most prescribed
- Atorvastatin Calcium616 claims
- Rosuvastatin Calcium594 claims
- Levothyroxine Sodium536 claims
- Amlodipine Besylate416 claims
- Metoprolol Succinate284 claims
- Losartan Potassium274 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
- Wellspan Medical GroupEphrata, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph J. Irwin among 7,483 family medicine physician records in Pennsylvania
Joseph J. Irwin, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1997 · median 2005 among the 4,529 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 family medicine physician records list a practice address in Ephrata
They are 33 of the 574 NPPES records with a practice address in Ephrata, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Ephrata → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ericka Berger, MDEphrata, PA 175221942251871
- John Brabazon, D.O.Ephrata, PA 175221346209913
- Edward Camerino, M.D.Ephrata, PA 175221881665362
- James Herr, MDEphrata, PA 175221538146873
- Curtis Hershey, M.D.Ephrata, PA 175221346285574
- James Kelly, M.D.Ephrata, PA 175221104861343
- Jeffrey Newswanger, DOEphrata, PA 175221427097120
- Peter Oh, DOEphrata, PA 175221790737666
Common questions
What is Joseph J. Irwin, MD's NPI number?
Joseph J. Irwin, MD's National Provider Identifier (NPI) is 1063522050, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph J. Irwin, MD located?
The NPPES record lists a practice address at 1635 W Main St Ste 700, Ephrata, PA, 17522. Phone: (717) 738-2468. Providers update this record themselves, so call before visiting.
How can I verify Joseph J. Irwin, MD's license?
NPPES lists Pennsylvania license number MD070015L, 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 Joseph J. Irwin, MD prescribe under Medicare Part D?
In 2024, Joseph J. Irwin, MD had 12,189 Medicare Part D claims for 650 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.