Doctor profile · Federal record
Dr. Christopher William, MD, PHD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Boston, MA
- NPI 1457487282
- Accepts Medicare
- MIPS 84.5 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Massachusetts General Hospital, 55 Fruit Street
Boston, MA 02114
(617) 726-3799
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- Massachusetts #L-218147
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457487282. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
347
Distinct HCPCS
5
Medicare allowed
$16,557
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 176 | 37 | $31 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 84 | 38 | $90 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 44 | 38 | $38 | |
88360 |
Microscopic genetic analysis of tumor, manual | 28 | 24 | $45 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 15 | 11 | $40 |
In context: peer comparison
Among 76 peers in this city , average services per provider: 122. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABIOMED | 1 | $20.68 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Christopher William's medical specialty?
Dr. Christopher William practices Anatomic Pathology & Clinical Pathology Physician in Boston, MA.
Where does Dr. Christopher William practice?
Dr. Christopher William practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177263799.
What is Dr. Christopher William's NPI?
Dr. Christopher William's National Provider Identifier (NPI) is 1457487282, issued by NPPES.
Does Dr. Christopher William accept Medicare assignment?
Yes. Dr. Christopher William accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher William commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.