Doctor profile · Federal record

Dr. Ali Tamsen, MD

Anatomic Pathology Physician (CMS: Pathology) · Clinical Pathology/Laboratory Medicine Physician · Southampton, NY

  • NPI 1285687269
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
240 Meeting House Ln, Suite #3
Southampton, NY 119685009
(631) 726-8268
fax (631) 726-8262
Mailing address
196 Meeting House Ln
Southampton, NY 119685062

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 8, 2023
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
New York #181348

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285687269. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,692
Distinct HCPCS
10
Medicare allowed
$635,954
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 3,670 1,082 $82
88313 Special stained specimen slides to examine tissue including interpretation and report 1,737 681 $97
88312 Special stained specimen slides to identify organisms including interpretation and report 1,021 647 $133
87624 Detection test by nucleic acid for human papillomavirus (hpv), high-risk types 215 215 $34
88141 Pap test 203 203 $26
88175 Pap test, automated thin layer preparation; automated system and manual rescreening 201 201 $26
87480 Detection test for candida species (yeast), direct probe technique 58 57 $20
87510 Detection test for gardnerella vaginalis (bacteria), direct probe technique 58 57 $19
87660 Detection test by nucleic acid for trichomonas vaginalis (genital parasite), direct probe technique 58 57 $19
87491 Detection test by nucleic acid for chlamydia trachomatis, amplified probe technique 34 34 $34

In context: peer comparison

Among 1 peers in Southampton Anatomic Pathology Physician, average services per provider: 226. This provider delivers 34× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ali Tamsen's medical specialty?
Dr. Ali Tamsen practices Anatomic Pathology Physician in Southampton, NY.
Where does Dr. Ali Tamsen practice?
Dr. Ali Tamsen practices at 240 Meeting House Ln, Southampton, NY 119685009. Office phone: 6317268268.
What is Dr. Ali Tamsen's NPI?
Dr. Ali Tamsen's National Provider Identifier (NPI) is 1285687269, issued by NPPES.
Does Dr. Ali Tamsen accept Medicare assignment?
Yes. Dr. Ali Tamsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ali Tamsen 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 including interpretation and report (HCPCS 88313); Special stained specimen slides to identify organisms including interpretation and report (HCPCS 88312). Source: CMS Medicare Physician & Other Practitioners file.