Doctor profile · Federal record
Dr. William Carlson, MD PHD
Cardiovascular Disease Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Boston, MA
- NPI 1669462180
- Accepts Medicare
- 50 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St, Cardiac Unit Associates Yaw5
Boston, MA 021142621
(617) 724-6750
fax (617) 724-6767 - Mailing address
-
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Massachusetts #42644
- Medicaid
- MA #0185485
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669462180. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,821
Distinct HCPCS
7
Medicare allowed
$121,217
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 842 | 676 | $9 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 406 | 219 | $195 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 364 | 232 | $16 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 104 | 72 | $134 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 60 | 19 | $127 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 32 | 23 | $140 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $239 |
In context: peer comparison
Among 134 peers in Boston Cardiovascular Disease Physician, average services per provider: 118. This provider delivers 15× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
590
Patients
150
Total drug cost
$519,930
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 90 | 30 | $3,388 |
| Carvedilol | Generic | 55 | 19 | $1,116 |
| Atorvastatin Calcium | Generic | 54 | 16 | $1,316 |
| Lisinopril | Generic | 54 | 19 | $709 |
| Furosemide | Generic | 45 | 15 | $482 |
| Eliquis (Apixaban) | Brand | 43 | 13 | $68,136 |
| Atenolol | Generic | 42 | 0 | $640 |
| Amlodipine Besylate | Generic | 40 | 13 | $489 |
| Spironolactone | Generic | 35 | 13 | $570 |
| Valsartan | Generic | 31 | 12 | $1,587 |
Hospital affiliations
Frequently asked questions
What is Dr. William Carlson's medical specialty?
Dr. William Carlson practices Cardiovascular Disease Physician in Boston, MA.
Where does Dr. William Carlson practice?
Dr. William Carlson practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177246750.
What is Dr. William Carlson's NPI?
Dr. William Carlson's National Provider Identifier (NPI) is 1669462180, issued by NPPES.
Does Dr. William Carlson accept Medicare assignment?
Yes. Dr. William Carlson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Carlson commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99215); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.