Doctor profile · Federal record

Dr. Kelly Ernst, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Cytopathology Physician · Stanford, CA

  • NPI 1043674195
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
March 13, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A151114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043674195. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,419
Distinct HCPCS
10
Medicare allowed
$123,232
HCPCS Description Services Patients Avg allowed
88341 Special stained specimen slides to examine tissue, each additional procedure 446 136 $32
88360 Microscopic genetic analysis of tumor, manual 394 140 $48
88305 Pathology examination of tissue using a microscope, intermediate complexity 335 266 $43
88307 Pathology examination of tissue using a microscope, moderately high complexity 239 70 $94
88342 Special stained specimen slides to examine tissue, initial procedure 202 175 $40
88112 Cell examination of specimen, selective cellular enhancement technique 200 188 $31
88173 Evaluation of fine needle aspirate with interpretation and report 170 121 $80
88172 Evaluation of fine needle aspirate 84 76 $41
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 76 74 $96
88377 Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 62 52 $72

In context: peer comparison

Among 30 peers in Stanford Anatomic Pathology & Clinical Pathology Physician, average services per provider: 173. This provider delivers 14× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelly Ernst's medical specialty?
Dr. Kelly Ernst practices Anatomic Pathology & Clinical Pathology Physician in Stanford, CA.
Where does Dr. Kelly Ernst practice?
Dr. Kelly Ernst practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Kelly Ernst's NPI?
Dr. Kelly Ernst's National Provider Identifier (NPI) is 1043674195, issued by NPPES.
Does Dr. Kelly Ernst accept Medicare assignment?
Yes. Dr. Kelly Ernst accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kelly Ernst commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Microscopic genetic analysis of tumor, manual (HCPCS 88360); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.