Doctor profile · Federal record

Dr. Thamarai Saminathan, M.D.

Clinical Pathology/Laboratory Medicine Physician (CMS: Pathology) · Princeton, NJ

  • NPI 1245268333
  • Accepts Medicare
  • 44 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

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207ZP0105X — NUCC code
State license (1)
New Jersey #MA061905

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245268333. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,341
Distinct HCPCS
10
Medicare allowed
$54,918
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 486 269 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 186 56 $29
88374 Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure 186 44 $45
88342 Special stained specimen slides to examine tissue, initial procedure 82 72 $36
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 74 67 $89
88305 Pathology examination of tissue using a microscope, intermediate complexity 72 40 $67
88312 Special stained specimen slides to identify organisms including interpretation and report 62 55 $28
85060 Blood smear interpretation by physician with written report 45 41 $26
88304 Pathology examination of tissue using a microscope, moderately low complexity 33 31 $12
88313 Special stained specimen slides to examine tissue including interpretation and report 26 17 $13

In context: peer comparison

Among 1 peers in Princeton Clinical Pathology/Laboratory Medicine Physician, average services per provider: 89. This provider delivers 15× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thamarai Saminathan's medical specialty?
Dr. Thamarai Saminathan practices Clinical Pathology/Laboratory Medicine Physician in Princeton, NJ.
Where does Dr. Thamarai Saminathan practice?
Dr. Thamarai Saminathan practices at 253 Witherspoon St, Princeton, NJ 085403211. Office phone: 6094974351.
What is Dr. Thamarai Saminathan's NPI?
Dr. Thamarai Saminathan's National Provider Identifier (NPI) is 1245268333, issued by NPPES.
Does Dr. Thamarai Saminathan accept Medicare assignment?
Yes. Dr. Thamarai Saminathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thamarai Saminathan 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); Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure (HCPCS 88374). Source: CMS Medicare Physician & Other Practitioners file.