Doctor profile · Federal record

Dr. Ashley Rider, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Stanford, CA

  • NPI 1366837148
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 11 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
March 2015 — 11 yrs on file
Profile last updated
March 21, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A147834

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366837148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
215
Distinct HCPCS
4
Medicare allowed
$34,071
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 111 110 $193
99284 Emergency department visit with moderate level of medical decision making 52 52 $133
93308 Ultrasound of heart, follow-up 32 32 $29
99291 Critical care, first 30-74 minutes 20 20 $240

In context: peer comparison

Among 60 peers in Stanford Emergency Medicine Physician, average services per provider: 60. This provider delivers 3.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Rider's medical specialty?
Dr. Ashley Rider practices Emergency Medicine Physician in Stanford, CA.
Where does Dr. Ashley Rider practice?
Dr. Ashley Rider practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Ashley Rider's NPI?
Dr. Ashley Rider's National Provider Identifier (NPI) is 1366837148, issued by NPPES.
Does Dr. Ashley Rider accept Medicare assignment?
Yes. Dr. Ashley Rider accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Rider commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Ultrasound of heart, follow-up (HCPCS 93308). Source: CMS Medicare Physician & Other Practitioners file.