Doctor profile · Federal record

Dr. Ashley Martinez, MD

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Stanford, CA

  • NPI 1841720091
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group 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
June 2017 — 9 yrs on file
Profile last updated
October 8, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A169687

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841720091. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
3
Medicare allowed
$7,364
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 14 $132
90935 Hemodialysis procedure with physician evaluation 18 13 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $193

In context: peer comparison

Among 17 peers in this city , average services per provider: 65. This provider delivers 0.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Martinez's medical specialty?
Dr. Ashley Martinez practices Nephrology Physician in Stanford, CA.
Where does Dr. Ashley Martinez practice?
Dr. Ashley Martinez practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Ashley Martinez's NPI?
Dr. Ashley Martinez's National Provider Identifier (NPI) is 1841720091, issued by NPPES.
Does Dr. Ashley Martinez accept Medicare assignment?
Yes. Dr. Ashley Martinez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Martinez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hemodialysis procedure with physician evaluation (HCPCS 90935); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.