Doctor profile · Federal record
Dr. William Calhoun, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · South Weymouth, MA
- NPI 1952324303
- Accepts Medicare
- MIPS 75.9 / 100 · 2023
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
70 Pleasant St
South Weymouth, MA 021902427
(781) 331-2000
fax (781) 337-6104
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2013
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Massachusetts #53819
- Medicaid
- MA #3034135
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952324303. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,480
Distinct HCPCS
10
Medicare allowed
$263,067
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 924 | 804 | $9 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 762 | 324 | $16 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 527 | 287 | $140 | |
85610 |
Blood test, clotting time | 212 | 24 | $4 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 203 | 24 | $27 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 200 | 188 | $224 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 186 | 110 | $195 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 64 | 59 | $72 | |
A9502 |
Technetium tc-99m tetrofosmin, diagnostic, per study dose | 52 | 26 | $130 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 51 | 48 | $138 |
In context: peer comparison
Among 4 peers in South Weymouth Cardiovascular Disease Physician, average services per provider: 199. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,069
Patients
617
Total drug cost
$412,874
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 499 | 153 | $15,119 |
| Eliquis (Apixaban) | Brand | 259 | 65 | $281,196 |
| Lisinopril | Generic | 240 | 71 | $2,617 |
| Atorvastatin Calcium | Generic | 215 | 64 | $3,063 |
| Amlodipine Besylate | Generic | 155 | 49 | $1,500 |
| Losartan Potassium | Generic | 125 | 36 | $1,917 |
| Furosemide | Generic | 111 | 38 | $669 |
| Doxazosin Mesylate | Generic | 87 | 29 | $2,883 |
| Entresto (Sacubitril/Valsartan) | Brand | 87 | 18 | $98,118 |
| Simvastatin | Generic | 70 | 21 | $960 |
Hospital affiliations
Frequently asked questions
What is Dr. William Calhoun's medical specialty?
Dr. William Calhoun practices Cardiovascular Disease Physician in South Weymouth, MA.
Where does Dr. William Calhoun practice?
Dr. William Calhoun practices at 70 Pleasant St, South Weymouth, MA 021902427. Office phone: 7813312000.
What is Dr. William Calhoun's NPI?
Dr. William Calhoun's National Provider Identifier (NPI) is 1952324303, issued by NPPES.
Does Dr. William Calhoun accept Medicare assignment?
Yes. Dr. William Calhoun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Calhoun commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.