Doctor profile · Federal record

Dr. Eileen Shanahan, M.D.

Anatomic Pathology Physician (CMS: Pathology) · Princeton, NJ

  • NPI 1083642508
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
253 Witherspoon St
Princeton, NJ 085403211
(609) 497-4351
fax (609) 497-4982
Mailing address
350 Riverside Dr
Princeton, NJ 085405431

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
New Jersey #MA06912800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083642508. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
652
Distinct HCPCS
8
Medicare allowed
$22,332
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 311 167 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 128 34 $30
88304 Pathology examination of tissue using a microscope, moderately low complexity 46 44 $12
88305 Pathology examination of tissue using a microscope, intermediate complexity 45 21 $56
88342 Special stained specimen slides to examine tissue, initial procedure 42 38 $37
88312 Special stained specimen slides to identify organisms including interpretation and report 39 31 $28
88311 Preparation of tissue for examination by removing any calcium present 22 22 $13
88313 Special stained specimen slides to examine tissue including interpretation and report 19 18 $13

In context: peer comparison

Among 1 peers in Princeton Anatomic Pathology Physician, average services per provider: 81. This provider delivers 8.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Eileen Shanahan's medical specialty?
Dr. Eileen Shanahan practices Anatomic Pathology Physician in Princeton, NJ.
Where does Dr. Eileen Shanahan practice?
Dr. Eileen Shanahan practices at 253 Witherspoon St, Princeton, NJ 085403211. Office phone: 6094974351.
What is Dr. Eileen Shanahan's NPI?
Dr. Eileen Shanahan's National Provider Identifier (NPI) is 1083642508, issued by NPPES.
Does Dr. Eileen Shanahan accept Medicare assignment?
Yes. Dr. Eileen Shanahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eileen Shanahan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately low complexity (HCPCS 88304). Source: CMS Medicare Physician & Other Practitioners file.