Doctor profile · Federal record
Dr. Shammah Williams, M.D.
Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Cardiovascular Disease Physician · Loma Linda, CA
- NPI 1134419427
- Accepts Medicare
- MIPS 76.4 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11234 Anderson St
Loma Linda, CA 923542804
(909) 558-4000
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State license (1)
- California #A129581
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134419427. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
302
Distinct HCPCS
8
Medicare allowed
$20,121
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 85 | 82 | $69 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 81 | 62 | $8 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 47 | 47 | $13 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 26 | $99 | |
93454 |
Insertion of tube in coronary artery for diagnosis with review by radiologist | 25 | 25 | $222 | |
76937 |
Ultrasonic guidance for blood vessel access | 15 | 15 | $14 | |
93458 |
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 11 | 11 | $278 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $132 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 54. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$663
Transactions
16
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 6 | $355.56 | |
| Medtronic, Inc. | 1 | $77.03 | |
| ABIOMED | 2 | $58.33 | |
| Kestra Medical Technology Services, Inc. | 2 | $38.53 | |
| AngioDynamics, Inc. | 1 | $36.49 | |
| Philips North America LLC | 1 | $27.05 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 1 | $24.52 | |
| Novartis Pharmaceuticals Corporation | 1 | $23.46 | |
| Abbott Laboratories | 1 | $22.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
74
Patients
0
Total drug cost
$8,755
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 22 | 0 | $631 |
| Carvedilol | Generic | 14 | 0 | $220 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 14 | 0 | $297 |
| Amlodipine Besylate | Generic | 13 | 0 | $319 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 11 | 0 | $7,288 |
Frequently asked questions
What is Dr. Shammah Williams's medical specialty?
Dr. Shammah Williams practices Interventional Cardiology Physician in Loma Linda, CA.
Where does Dr. Shammah Williams practice?
Dr. Shammah Williams practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095584000.
What is Dr. Shammah Williams's NPI?
Dr. Shammah Williams's National Provider Identifier (NPI) is 1134419427, issued by NPPES.
Does Dr. Shammah Williams accept Medicare assignment?
Yes. Dr. Shammah Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shammah Williams commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152). Source: CMS Medicare Physician & Other Practitioners file.