Doctor profile · Federal record

Dr. John Buck, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Irving, TX

  • NPI 1154608552
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4770 Regent Blvd
Irving, TX 750632445
(972) 934-4300
Additional location
700 East Marshall Ave
Longview, TX 756015580
(903) 315-2000
Mailing address
14275 Midway RD Ste 400
Addison, TX 750013614

Credentials & registration

NPPES · NUCC
NPI registered
November 2011 — 15 yrs on file
Profile last updated
January 26, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Texas #K4003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154608552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
461
Distinct HCPCS
10
Medicare allowed
$15,966
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 202 101 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 43 16 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 38 28 $80
88313 Special stained specimen slides to examine tissue including interpretation and report 36 21 $12
88304 Pathology examination of tissue using a microscope, moderately low complexity 34 29 $11
88112 Cell examination of specimen, selective cellular enhancement technique 29 23 $25
88331 Pathology examination of specimen during surgery, first tissue block 28 15 $60
88342 Special stained specimen slides to examine tissue, initial procedure 24 21 $34
88311 Preparation of tissue for examination by removing any calcium present 16 11 $12
85060 Blood smear interpretation by physician with written report 11 11 $23

In context: peer comparison

Among 11 peers in this city , average services per provider: 350. This provider delivers 1.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Buck's medical specialty?
Dr. John Buck practices Anatomic Pathology & Clinical Pathology Physician in Irving, TX.
Where does Dr. John Buck practice?
Dr. John Buck practices at 4770 Regent Blvd, Irving, TX 750632445. Office phone: 9729344300.
What is Dr. John Buck's NPI?
Dr. John Buck's National Provider Identifier (NPI) is 1154608552, issued by NPPES.
Does Dr. John Buck accept Medicare assignment?
Yes. Dr. John Buck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Buck 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 high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.