Doctor profile · Federal record
Dr. Patrick Callaghan, DO
Internal Medicine Physician (CMS: Internal Medicine) · Allentown, PA
- NPI 1225563489
- Accepts Medicare
- MIPS 90.3 / 100 · 2023
- 9 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1736 Hamilton St
Allentown, PA 181045656
(484) 526-6643
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- August 11, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Pennsylvania #OS020685
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225563489. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
704
Distinct HCPCS
5
Medicare allowed
$72,224
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 383 | 156 | $77 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 127 | 122 | $170 | |
99239 |
Hospital discharge day management, more than 30 minutes | 122 | 120 | $111 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 59 | 38 | $116 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 13 | 13 | $50 |
In context: peer comparison
Among 46 peers in Allentown Internal Medicine Physician, average services per provider: 85. This provider delivers 8.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
75
Patients
72
Total drug cost
$652
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 20 | 20 | $81 |
| Furosemide | Generic | 17 | 16 | $84 |
| Oxycodone Hcl | Generic | 14 | 14 | $93 |
| Atorvastatin Calcium | Generic | 13 | 11 | $301 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $92 |
Hospital affiliations
Frequently asked questions
What is Dr. Patrick Callaghan's medical specialty?
Dr. Patrick Callaghan practices Internal Medicine Physician in Allentown, PA.
Where does Dr. Patrick Callaghan practice?
Dr. Patrick Callaghan practices at 1736 Hamilton St, Allentown, PA 181045656. Office phone: 4845266643.
What is Dr. Patrick Callaghan's NPI?
Dr. Patrick Callaghan's National Provider Identifier (NPI) is 1225563489, issued by NPPES.
Does Dr. Patrick Callaghan accept Medicare assignment?
Yes. Dr. Patrick Callaghan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Callaghan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.