Doctor profile · Federal record
Dr. Patrick Walker, M.D.
Surgery Physician (CMS: Critical Care (Intensivists)) · Trauma Surgery Physician · Bethesda, MD
- NPI 1124448162
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
8901 Rockville Pike
Bethesda, MD 208890001
(301) 295-4440 - Additional location
-
22 S Greene St
Baltimore, MD 212011544
(410) 328-6110 - Additional location
-
901 Harry S Truman Dr N
Upper Marlboro, MD 207745477
(240) 677-3000
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- September 9, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State licenses (2)
- Maryland #D91256 · Virginia #1124448162
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124448162. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
39
Distinct HCPCS
2
Medicare allowed
$4,028
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 22 | 15 | $81 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 16 | $132 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 46. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$604
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 1 | $604.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Patrick Walker's medical specialty?
Dr. Patrick Walker practices Surgery Physician in Bethesda, MD.
Where does Dr. Patrick Walker practice?
Dr. Patrick Walker practices at 8901 Rockville Pike, Bethesda, MD 208890001. Office phone: 3012954440.
What is Dr. Patrick Walker's NPI?
Dr. Patrick Walker's National Provider Identifier (NPI) is 1124448162, issued by NPPES.
Does Dr. Patrick Walker accept Medicare assignment?
Yes. Dr. Patrick Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.