Dr. Brittany Margaret Ashlock, MD, MPH, PhD
- Medicare services, 2023
- 14
- Part D claims, 2019
- 12
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1425 S Main Street, Walnut Creek, CA 94596
- Practice phone
- Call (925) 295-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ashlock's professional email, personal email and mobile number
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Dr. Brittany Margaret Ashlock is a hospitalist in Walnut Creek, California
Dr. Ashlock practices at Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
Dr. Ashlock's NPI, 1952728099, was assigned on March 26, 2014. Dr. Ashlock graduated from University of Miami, Lm Miller School of Medicine in 2014. Dr. Ashlock holds California license A139748.
- NPI
- 1952728099NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759676448
- NPI enumeration date
- March 26, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 295-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brittany Margaret Ashlock practices at Walnut Creek Medical Center in Walnut Creek, California
Dr. Ashlock's primary practice is Walnut Creek Medical Center, at 1425 S Main Street, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 295-4000.
- Walnut Creek Medical Center1425 S Main Street, Walnut Creek, CA 94596 · Contra Costa CountyPhone(925) 295-4000
Source: Dmand AI Affiliation Data
Dr. Brittany Margaret Ashlock is affiliated with 1 site of care and 1 medical group
Dr. Ashlock's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brittany Margaret Ashlock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ashlock practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walnut Creek Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brittany Margaret Ashlock is one of 3,186 hospitalists in California
Hospitalist is Dr. Ashlock's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Ashlock is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Ashlock
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brittany Margaret Ashlock billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Ashlock across 1 procedure code in 2023. Medicare paid $1,610 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ashlock compared with the California median for hospitalists, 2023
- Dr. Ashlock
- California median
- Medicare services
- 14vs 43097% below
- Part D claims
- 12vs 6983% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Ashlock's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ashlock and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brittany Margaret Ashlock's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Ashlock's median patient age at 72, with 59% women.
Dr. Ashlock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Brittany Margaret Ashlock wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Ashlock wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $247 in total drug cost. In 2018, CMS named 18 claims across 1 drug.
Dr. Ashlock's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 182019: 1233%
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Brittany Margaret Ashlock takes part in Medicare
Dr. Ashlock accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brittany Margaret Ashlock graduated from University of Miami, Lm Miller School of Medicine
Dr. Ashlock graduated from University of Miami, Lm Miller School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brittany Margaret Ashlock's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brittany Margaret Ashlock
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brittany Margaret Ashlock's NPI number?
Dr. Brittany Margaret Ashlock's NPI number is 1952728099. It was assigned on March 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Brittany Margaret Ashlock?
Dr. Brittany Margaret Ashlock is a hospitalist in Walnut Creek, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Brittany Margaret Ashlock practice?
Dr. Ashlock practices at 1425 S Main Street, Walnut Creek, CA 94596. Dr. Ashlock's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
What is Dr. Brittany Margaret Ashlock's office phone number?
The practice phone on file for Dr. Ashlock is (925) 295-4000.
What is Dr. Brittany Margaret Ashlock's medical license number?
Dr. Ashlock holds California license A139748.
Which hospitals is Dr. Brittany Margaret Ashlock affiliated with?
Dr. Ashlock practices at Walnut Creek Medical Center in Walnut Creek, California.
What medical group is Dr. Brittany Margaret Ashlock part of?
Dr. Ashlock is linked to The Permanente Medical Group, Inc.
Does Dr. Brittany Margaret Ashlock accept Medicare?
Yes. CMS data shows Dr. Ashlock billed Medicare for 14 services in 2023, and Dr. Ashlock accepts Medicare assignment.
What services does Dr. Brittany Margaret Ashlock bill to Medicare?
In 2023, Dr. Ashlock's most billed Medicare services were hospital inpatient care (99222).
Where did Dr. Brittany Margaret Ashlock go to medical school?
Dr. Ashlock graduated from University of Miami, Lm Miller School of Medicine in 2014.
What drugs does Dr. Brittany Margaret Ashlock prescribe most?
In 2019 Medicare Part D data, Dr. Ashlock's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Brittany Margaret Ashlock been practicing?
Dr. Ashlock graduated from medical school in 2014, 12 years ago.
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