Doctor profile · Federal record

Dr. W Black-Schaffer, MD

Anatomic Pathology & Clinical Pathology Physician · Cytopathology Physician · Boston, MA

  • NPI 1841280492
  • 21 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Wrn 219 Pathology Associates
Boston, MA 021142621
(617) 724-1463
fax (617) 726-3226
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
September 11, 2025
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Massachusetts #49664
Medicaid
MA #2091518

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841280492. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
929
Distinct HCPCS
10
Medicare allowed
$36,205
HCPCS Description Services Patients Avg allowed
88112 Cell examination of specimen, selective cellular enhancement technique 386 357 $29
88173 Evaluation of fine needle aspirate with interpretation and report 151 140 $74
88341 Special stained specimen slides to examine tissue, each additional procedure 117 38 $30
88305 Pathology examination of tissue using a microscope, intermediate complexity 72 61 $39
88342 Special stained specimen slides to examine tissue, initial procedure 47 41 $37
88108 Cell examination of specimen, concentration technique 46 43 $24
88141 Pap test 34 34 $26
88312 Special stained specimen slides to identify organisms including interpretation and report 24 18 $28
88307 Pathology examination of tissue using a microscope, moderately high complexity 21 21 $87
88313 Special stained specimen slides to examine tissue including interpretation and report 18 16 $13

In context: peer comparison

Among 76 peers in this city , average services per provider: 122. This provider delivers 7.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. W Black-Schaffer's medical specialty?
Dr. W Black-Schaffer practices Anatomic Pathology & Clinical Pathology Physician in Boston, MA.
Where does Dr. W Black-Schaffer practice?
Dr. W Black-Schaffer practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177241463.
What is Dr. W Black-Schaffer's NPI?
Dr. W Black-Schaffer's National Provider Identifier (NPI) is 1841280492, issued by NPPES.
What procedures does Dr. W Black-Schaffer commonly perform?
Top Medicare-reported procedures in 2023: Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112); Evaluation of fine needle aspirate with interpretation and report (HCPCS 88173); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.