Doctor profile · Federal record

Dr. Brittany Ashlock, MD, PHD, MPH

Hospitalist Physician (CMS: Internal Medicine) · Walnut Creek, CA

  • NPI 1952728099
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1425 S. Main St., Kaiser Permanente
Walnut Creek, CA 94553
(305) 332-1688

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
February 4, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A139748

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952728099. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,020
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $144

In context: peer comparison

Among 20 peers in Walnut Creek Hospitalist Physician, average services per provider: 150. This provider delivers 0.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brittany Ashlock's medical specialty?
Dr. Brittany Ashlock practices Hospitalist Physician in Walnut Creek, CA.
Where does Dr. Brittany Ashlock practice?
Dr. Brittany Ashlock practices at 1425 S. Main St., Walnut Creek, CA 94553. Office phone: 3053321688.
What is Dr. Brittany Ashlock's NPI?
Dr. Brittany Ashlock's National Provider Identifier (NPI) is 1952728099, issued by NPPES.
Does Dr. Brittany Ashlock accept Medicare assignment?
Yes. Dr. Brittany Ashlock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brittany Ashlock commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.