Doctor profile · Federal record
Dr. William Penhallurick, MD
Anesthesiology Physician (CMS: Anesthesiology) · Westwood, MA
- NPI 1801893763
- Accepts Medicare
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
690 Canton St, Suite 325
Westwood, MA 020902321
(781) 407-7713
fax (781) 407-0998
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- January 24, 2012
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Massachusetts #160569
- Medicaid
- MA #3202631
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801893763. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,791
Distinct HCPCS
6
Medicare allowed
$34,854
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2704 |
Injection, propofol, 10 mg | 9,230 | 271 | $0 | |
J7120 |
Ringers lactate infusion, up to 1000 cc | 283 | 273 | $2 | |
00812 |
Anesthesia for exam of colon using an endoscope | 148 | 147 | $105 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 62 | 61 | $131 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 35 | 35 | $126 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 33 | 33 | $154 |
In context: peer comparison
Among 40 peers in this city , average services per provider: 76. This provider delivers 129× the peer median.Frequently asked questions
What is Dr. William Penhallurick's medical specialty?
Dr. William Penhallurick practices Anesthesiology Physician in Westwood, MA.
Where does Dr. William Penhallurick practice?
Dr. William Penhallurick practices at 690 Canton St, Westwood, MA 020902321. Office phone: 7814077713.
What is Dr. William Penhallurick's NPI?
Dr. William Penhallurick's National Provider Identifier (NPI) is 1801893763, issued by NPPES.
Does Dr. William Penhallurick accept Medicare assignment?
Yes. Dr. William Penhallurick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Penhallurick commonly perform?
Top Medicare-reported procedures in 2023: Injection, propofol, 10 mg (HCPCS J2704); Ringers lactate infusion, up to 1000 cc (HCPCS J7120); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.