Patrick Callaghan, DO
Internal Medicine Physician · Allentown, PA
Patrick Callaghan, DO is an internal medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1225563489, issued on Apr 25, 2017. Check the license (Pennsylvania OS020685, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Patrick Callaghan
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS020685 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1736 Hamilton St, Allentown, PA 18104
- Phone
- (484) 526-6643
- Enumerated
- Apr 25, 2017
- Record last updated
- Aug 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20200820000020); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2017
- Entity
- Type 1 · individual
Also registered at 1736 Hamilton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacey Batz, AGACNP-BCAcute Care Nurse Practitioner1669076550
- Tanner Blatt, DPMPodiatrist1972298099
- Michaela Bosico, DPMFoot & Ankle Surgery Podiatrist1619671732
- Roba BozakisRegistered Dietitian1932688736
- Rashika Budhathoki, DPMStudent in an Organized Health Care Education/Training Program1912709536
- Zachri Buzzinotti, D.O.General Practice Physician1063853570
Verify Patrick Callaghan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS020685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
301 Medicare Part D claims for 136 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium19 claims
- Prednisone19 claims
- Oxycodone Hcl15 claims
- Eliquis13 claims
- Pantoprazole Sodium13 claims
- Furosemide12 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.
The MIPS final score for 2023 (Medicare payment program): 95.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Lukes Physician Group IncFountain Hill, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
218 internal medicine physician records list a practice address in Allentown
They are 218 of the 5,904 NPPES records with a practice address in Allentown, and 7,300 internal medicine physician records in Pennsylvania.
All 218 in Allentown → All 7,300 in Pennsylvania → Every provider in Allentown →
Other internal medicine physician records in Pennsylvania
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Joseph Abalos, M.D.Seneca, PA1215128434
- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Patrick Callaghan, DO's NPI number?
Patrick Callaghan, DO's National Provider Identifier (NPI) is 1225563489, issued on Apr 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Callaghan, DO located?
The NPPES record lists a practice address at 1736 Hamilton St, Allentown, PA, 18104. Phone: (484) 526-6643. Providers update this record themselves, so call before visiting.
How can I verify Patrick Callaghan, DO's license?
NPPES lists Pennsylvania license number OS020685, 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 Patrick Callaghan, DO prescribe under Medicare Part D?
In 2024, Patrick Callaghan, DO had 301 Medicare Part D claims for 136 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Patrick Callaghan, DO's MIPS final score?
The 2023 MIPS final score is 95.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.