Doctor profile · Federal record
Dr. Zachary Williams, M.D.
Internal Medicine Physician (CMS: Cardiovascular Disease (Cardiology)) · Hospitalist Physician · Internal Medicine Physician · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Rochester, NY
- NPI 1134372584
- Accepts Medicare
- 19 yrs in practice
- Licensed in 4 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
310 Exchange Blvd Apt 330
Rochester, NY 146082780
(801) 455-4581 - Additional location
-
4600 Memorial Dr Ste W1
Belleville, IL 622265359
(618) 233-3066
fax (618) 233-3180 - Additional location
-
7700 E Florentine RD Ste 206
Prescott Valley, AZ 863142245
(928) 442-8117
fax (928) 772-8947
Credentials & registration
- NPI registered
- October 2008 — 18 yrs on file
- Profile last updated
- April 2, 2026
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (4)
- New York #258290 · Utah #7154790-1205 · Illinois #036178168 · Arizona #80040
- Medicaid (2)
- AZ #818682 · NY #03352949
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134372584. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,126
Distinct HCPCS
10
Medicare allowed
$281,075
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 837 | 816 | $66 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 600 | 494 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 519 | 417 | $122 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 335 | 138 | $29 | |
93296 |
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 333 | 138 | $21 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 332 | 330 | $13 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 280 | 273 | $14 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 278 | 269 | $183 | |
93298 |
Evaluation of cardiac rhythm monitor system, remote up to 30 days | 267 | 61 | $25 | |
78431 |
Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | 226 | 226 | $85 |
In context: peer comparison
Among 151 peers in Rochester Internal Medicine Physician, average services per provider: 74. This provider delivers 69× the peer median.Open Payments
Industry payments received
All-time total
$286
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Neurocrine Biosciences, INC. | 1 | $151.76 | |
| Boston Scientific Corporation | 3 | $65.13 | |
| Novartis Pharmaceuticals Corporation | 2 | $34.75 | |
| Siemens Medical Solutions USA, INC. | 1 | $34.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,662
Patients
655
Total drug cost
$288,207
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 229 | 62 | $265,042 |
| Amlodipine Besylate | Generic | 181 | 66 | $1,504 |
| Atorvastatin Calcium | Generic | 168 | 67 | $2,989 |
| Carvedilol | Generic | 142 | 60 | $1,408 |
| Metoprolol Succinate | Generic | 126 | 49 | $2,546 |
| Metoprolol Tartrate | Generic | 107 | 47 | $1,130 |
| Lisinopril | Generic | 106 | 40 | $866 |
| Sotalol (Sotalol Hcl) | Brand | 99 | 34 | $3,216 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 94 | 37 | $1,828 |
| Losartan Potassium | Generic | 91 | 37 | $1,885 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Williams's medical specialty?
Dr. Zachary Williams practices Internal Medicine Physician in Rochester, NY.
Where does Dr. Zachary Williams practice?
Dr. Zachary Williams practices at 310 Exchange Blvd Apt 330, Rochester, NY 146082780. Office phone: 8014554581.
What is Dr. Zachary Williams's NPI?
Dr. Zachary Williams's National Provider Identifier (NPI) is 1134372584, issued by NPPES.
Does Dr. Zachary Williams accept Medicare assignment?
Yes. Dr. Zachary Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary 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); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.