Doctor profile · Federal record

Dr. Tong Sun, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · New Haven, CT

  • NPI 1972999548
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
310 Cedar St
New Haven, CT 065103218
(203) 785-3624
Additional location
55 Lake Ave N
Worcester, MA 016550002
(508) 334-1000
Mailing address
934 Daniels Farm RD # A
Trumbull, CT 066112615

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
July 13, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Connecticut #66454 · Massachusetts #264359
Medicaid
CT #1972999548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972999548. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
768
Distinct HCPCS
9
Medicare allowed
$32,374
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 264 153 $38
88341 Special stained specimen slides to examine tissue, each additional procedure 161 42 $29
88112 Cell examination of specimen, selective cellular enhancement technique 112 104 $29
88342 Special stained specimen slides to examine tissue, initial procedure 79 53 $36
88173 Evaluation of fine needle aspirate with interpretation and report 58 28 $73
88307 Pathology examination of tissue using a microscope, moderately high complexity 45 31 $86
88360 Microscopic genetic analysis of tumor, manual 22 11 $43
88309 Pathology examination of tissue using a microscope, high complexity 15 15 $150
88141 Pap test 12 12 $25

In context: peer comparison

Among 21 peers in New Haven Anatomic Pathology & Clinical Pathology Physician, average services per provider: 136. This provider delivers 5.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Tong Sun's medical specialty?
Dr. Tong Sun practices Anatomic Pathology & Clinical Pathology Physician in New Haven, CT.
Where does Dr. Tong Sun practice?
Dr. Tong Sun practices at 310 Cedar St, New Haven, CT 065103218. Office phone: 2037853624.
What is Dr. Tong Sun's NPI?
Dr. Tong Sun's National Provider Identifier (NPI) is 1972999548, issued by NPPES.
Does Dr. Tong Sun accept Medicare assignment?
Yes. Dr. Tong Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tong Sun 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); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112). Source: CMS Medicare Physician & Other Practitioners file.