Doctor profile · Federal record
Dr. William Gallagher, MD
Family Medicine Physician (CMS: Family Practice) · Colmar Manor, MD
- NPI 1437187648
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4151 Bladensburg RD
Colmar Manor, MD 207221928
(301) 699-7700
fax (301) 779-9001 - Additional location
-
1150 Varnum St Ne
Washington, DC 20017
(202) 269-7000 - Mailing address
-
1150 Varnum St Ne
Washington, DC 20017
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 22, 2018
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Maryland #D47141
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437187648. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
304
Distinct HCPCS
6
Medicare allowed
$32,495
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 165 | 120 | $138 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 44 | 40 | $3 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 35 | $92 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 20 | $194 | |
G0008 |
Administration of influenza virus vaccine | 20 | 20 | $35 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 14 | 14 | $75 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 42. This provider delivers 7.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
666
Patients
232
Total drug cost
$39,118
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 100 | 39 | $1,306 |
| Atorvastatin Calcium | Generic | 91 | 35 | $1,620 |
| Lisinopril | Generic | 59 | 24 | $526 |
| Diclofenac Sodium | Generic | 56 | 22 | $1,672 |
| Gabapentin | Generic | 51 | 26 | $1,258 |
| Losartan Potassium | Generic | 50 | 17 | $869 |
| Metformin Hcl | Generic | 41 | 19 | $704 |
| Fluticasone Propionate | Generic | 38 | 20 | $870 |
| Hydrochlorothiazide | Generic | 37 | 18 | $109 |
| Trulicity (Dulaglutide) | Brand | 29 | 0 | $28,253 |
Frequently asked questions
What is Dr. William Gallagher's medical specialty?
Dr. William Gallagher practices Family Medicine Physician in Colmar Manor, MD.
Where does Dr. William Gallagher practice?
Dr. William Gallagher practices at 4151 Bladensburg RD, Colmar Manor, MD 207221928. Office phone: 3016997700.
What is Dr. William Gallagher's NPI?
Dr. William Gallagher's National Provider Identifier (NPI) is 1437187648, issued by NPPES.
Does Dr. William Gallagher accept Medicare assignment?
Yes. Dr. William Gallagher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gallagher commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.