Doctor profile · Federal record

Dr. Nicholas Byrne, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Walnut Creek, CA

  • NPI 1710191325
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 Ygnacio Valley RD, Pathology Department
Walnut Creek, CA 945983122
(925) 927-5390

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 6, 2007
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A86857

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710191325. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,296
Distinct HCPCS
10
Medicare allowed
$184,470
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 822 536 $42
88305 Pathology examination of tissue using a microscope, intermediate complexity 526 245 $89
88341 Special stained specimen slides to examine tissue, each additional procedure 463 129 $32
88307 Pathology examination of tissue using a microscope, moderately high complexity 264 129 $93
88360 Microscopic genetic analysis of tumor, manual 233 87 $47
88342 Special stained specimen slides to examine tissue, initial procedure 200 176 $39
88112 Cell examination of specimen, selective cellular enhancement technique 170 129 $31
88312 Special stained specimen slides to identify organisms including interpretation and report 94 35 $30
88173 Evaluation of fine needle aspirate with interpretation and report 68 59 $79
88331 Pathology examination of specimen during surgery, first tissue block 61 50 $70

In context: peer comparison

Among 2 peers in Walnut Creek Anatomic Pathology & Clinical Pathology Physician, average services per provider: 127. This provider delivers 26× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Byrne's medical specialty?
Dr. Nicholas Byrne practices Anatomic Pathology & Clinical Pathology Physician in Walnut Creek, CA.
Where does Dr. Nicholas Byrne practice?
Dr. Nicholas Byrne practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259275390.
What is Dr. Nicholas Byrne's NPI?
Dr. Nicholas Byrne's National Provider Identifier (NPI) is 1710191325, issued by NPPES.
Does Dr. Nicholas Byrne accept Medicare assignment?
Yes. Dr. Nicholas Byrne accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Byrne commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.