Doctor profile · Federal record
Dr. Patrick Gallagher, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1669735650
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1900 W Polk St
Chicago, IL 606123723
(312) 864-0060 - Mailing address
-
900 S Clark St, Apt 413
Chicago, IL 606053679
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #125-061987
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669735650. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
252
Distinct HCPCS
6
Medicare allowed
$23,172
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 76 | 76 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 73 | 57 | $89 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 53 | 35 | $127 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 24 | 22 | $14 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 15 | 15 | $18 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 11 | 11 | $18 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
873
Patients
258
Total drug cost
$133,152
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 149 | 44 | $3,056 |
| Levothyroxine Sodium | Generic | 108 | 31 | $2,067 |
| Eliquis (Apixaban) | Brand | 71 | 14 | $70,246 |
| Amlodipine Besylate | Generic | 69 | 20 | $954 |
| Azithromycin | Generic | 55 | 39 | $753 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 55 | 0 | $1,524 |
| Rosuvastatin Calcium | Generic | 50 | 14 | $1,261 |
| Allopurinol | Generic | 49 | 13 | $1,006 |
| Gabapentin | Generic | 44 | 15 | $789 |
| Escitalopram Oxalate | Generic | 43 | 11 | $1,243 |
Frequently asked questions
What is Dr. Patrick Gallagher's medical specialty?
Dr. Patrick Gallagher practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Patrick Gallagher practice?
Dr. Patrick Gallagher practices at 1900 W Polk St, Chicago, IL 606123723. Office phone: 3128640060.
What is Dr. Patrick Gallagher's NPI?
Dr. Patrick Gallagher's National Provider Identifier (NPI) is 1669735650, issued by NPPES.
Does Dr. Patrick Gallagher accept Medicare assignment?
Dr. Patrick Gallagher does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Patrick Gallagher commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.