Doctor profile · Federal record

Dr. Thomas Rayson, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Family Medicine Physician · Anatomic Pathology & Clinical Pathology Physician · General Practice Physician · General Practice Physician · Kailua Kona, HI

  • NPI 1649219130
  • Accepts Medicare
  • MIPS 86.7 / 100 · 2023
  • 34 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
75-5915 Walua RD
Kailua Kona, HI 967401375
(808) 796-5624
Additional location
70-1019 Haukapila St
Kealakelua, HI 96750
(808) 322-9311
Additional location
900 Illinois Ave
Stevens Point, WI 544813114
(715) 346-5000
Show 1 more location
Additional location
300 Randall RD # Ll
Geneva, IL 601344200
(630) 208-4201
fax (630) 208-3489
Mailing address
82-5999 Coffee Pl
Captain Cook, HI 967048258

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 15, 2024
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (4)
Wisconsin #34555-20 · Hawaii #20808 · Illinois #036172686 · Hawaii #MD-20808
Medicaid
WI #32239100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649219130. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
833
Distinct HCPCS
10
Medicare allowed
$35,340
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 498 258 $35
88342 Special stained specimen slides to examine tissue, initial procedure 79 58 $33
88112 Cell examination of specimen, selective cellular enhancement technique 47 42 $58
88305 Pathology examination of tissue using a microscope, intermediate complexity 36 20 $68
88112 Cell examination of specimen, selective cellular enhancement technique 30 29 $26
88141 Pap test 24 24 $22
88307 Pathology examination of tissue using a microscope, moderately high complexity 24 19 $78
88342 Special stained specimen slides to examine tissue, initial procedure 21 11 $81
88304 Pathology examination of tissue using a microscope, moderately low complexity 20 20 $11
88141 Pap test 16 16 $22

In context: peer comparison

Among 1 peers in this city , average services per provider: 64. This provider delivers 13× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Rayson's medical specialty?
Dr. Thomas Rayson practices Anatomic Pathology & Clinical Pathology Physician in Kailua Kona, HI.
Where does Dr. Thomas Rayson practice?
Dr. Thomas Rayson practices at 75-5915 Walua RD, Kailua Kona, HI 967401375. Office phone: 8087965624.
What is Dr. Thomas Rayson's NPI?
Dr. Thomas Rayson's National Provider Identifier (NPI) is 1649219130, issued by NPPES.
Does Dr. Thomas Rayson accept Medicare assignment?
Yes. Dr. Thomas Rayson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Rayson 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, initial procedure (HCPCS 88342); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112). Source: CMS Medicare Physician & Other Practitioners file.