Christopher Maged William, MD, PhD practises pathology in Boston, MA. Christopher is a 2003 graduate of Columbia University College of Physicians and Surgeons. Christopher is also listed as specialising in anatomic & clinical pathology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. William is a pathology in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
Dr. William is listed at MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT STREET, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 726-3799. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. William's National Provider Identifier is 1457487282. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. William attended Columbia University College of Physicians and Surgeons, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. William has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. William the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. William. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT STREET
Boston, MA 02114
313 services · 161 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
138 |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
82 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
43 |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
38 |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.