Doctor profile · Federal record
Dr. Stephen Williams, M.D., M.P.H.
Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Surgery Physician · Frederick, MD
- NPI 1528131687
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
180 Thomas Johnson Dr, Suite 202
Frederick, MD 217024550
(301) 631-6877
fax (240) 566-7820 - Additional location
-
1733 Howell RD
Hagerstown, MD 217406638
(301) 797-2525
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- May 17, 2023
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State license (1)
- Maryland #D0066599
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528131687. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
372
Distinct HCPCS
9
Medicare allowed
$74,947
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93458 |
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 110 | 107 | $260 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 79 | 75 | $13 | |
93571 |
Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | 55 | 55 | $73 | |
92928 |
Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | 37 | 32 | $545 | |
93456 |
Insertion of tube in right heart chambers and coronary artery for diagnosis with review by radiologist | 24 | 24 | $293 | |
93454 |
Insertion of tube in coronary artery for diagnosis with review by radiologist | 19 | 19 | $191 | |
93572 |
Ultrasound evaluation of heart blood vessel during diagnosis or treatment, each additional vessel | 19 | 18 | $53 | |
93460 |
Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist | 16 | 16 | $364 | |
93459 |
Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist | 13 | 13 | $283 |
In context: peer comparison
Among 1 peers in Frederick Interventional Cardiology Physician, average services per provider: 41. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$301
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 2 | $126.77 | |
| Abbott Laboratories | 3 | $121.20 | |
| W. L. Gore & Associates, INC. | 1 | $27.99 | |
| Teleflex LLC | 1 | $25.42 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Williams's medical specialty?
Dr. Stephen Williams practices Interventional Cardiology Physician in Frederick, MD.
Where does Dr. Stephen Williams practice?
Dr. Stephen Williams practices at 180 Thomas Johnson Dr, Frederick, MD 217024550. Office phone: 3016316877.
What is Dr. Stephen Williams's NPI?
Dr. Stephen Williams's National Provider Identifier (NPI) is 1528131687, issued by NPPES.
Does Dr. Stephen Williams accept Medicare assignment?
Yes. Dr. Stephen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Williams commonly perform?
Top Medicare-reported procedures in 2023: Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (HCPCS 93458); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152); Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel (HCPCS 93571). Source: CMS Medicare Physician & Other Practitioners file.