Doctor profile · Federal record

Dr. Isaac Stillman, M.D.

Anatomic Pathology Physician (CMS: Pathology) · Boston, MA

  • NPI 1548207723
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Avenue, Bih Dept of Pathology
Boston, MA 02215
(617) 667-5959
Mailing address
26 Dean RD, Apt 2
Brookline, MA 024454210

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
Massachusetts #74489

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548207723. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,218
Distinct HCPCS
10
Medicare allowed
$39,399
HCPCS Description Services Patients Avg allowed
88350 Antibody evaluation, each additional single antibody stain procedure 473 59 $31
88313 Special stained specimen slides to examine tissue including interpretation and report 216 67 $13
88305 Pathology examination of tissue using a microscope, intermediate complexity 126 102 $40
88341 Special stained specimen slides to examine tissue, each additional procedure 87 46 $30
88342 Special stained specimen slides to examine tissue, initial procedure 70 65 $37
88346 Antibody evaluation, initial single antibody stain procedure 62 59 $38
88348 Electron microscopy for diagnosis 60 58 $83
88311 Preparation of tissue for examination by removing any calcium present 46 37 $13
88304 Pathology examination of tissue using a microscope, moderately low complexity 40 32 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 38 18 $87

In context: peer comparison

Among 57 peers in Boston Anatomic Pathology Physician, average services per provider: 159. This provider delivers 7.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Isaac Stillman's medical specialty?
Dr. Isaac Stillman practices Anatomic Pathology Physician in Boston, MA.
Where does Dr. Isaac Stillman practice?
Dr. Isaac Stillman practices at 330 Brookline Avenue, Boston, MA 02215. Office phone: 6176675959.
What is Dr. Isaac Stillman's NPI?
Dr. Isaac Stillman's National Provider Identifier (NPI) is 1548207723, issued by NPPES.
Does Dr. Isaac Stillman accept Medicare assignment?
Yes. Dr. Isaac Stillman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Stillman commonly perform?
Top Medicare-reported procedures in 2023: Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.