Dr. Mark A. Ashley, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 306
- Hospital affiliations
- 1
- Industry payments
- $2,671
- Medical group
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ashley's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark A. Ashley is a family medicine physician in Riverside, California
Dr. Ashley practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Ashley's NPI, 1083773741, was assigned on December 8, 2006. Dr. Ashley graduated from Loma Linda University School of Medicine in 2000. Dr. Ashley holds California license A77477.
- NPI
- 1083773741NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901792761
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Ashley practices at Riverside Medical Center in Riverside, California
Dr. Ashley's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Mark A. Ashley is affiliated with 1 site of care and 1 medical group
Dr. Ashley's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark A. Ashley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ashley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Ashley is one of 15,680 family medicine physicians in California
Family medicine is Dr. Ashley's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ashley is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Ashley
Counts of family medicine physicians 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. Mark A. Ashley treated 11 Medicare patients in 2024, average age 64
CMS counts 11 Medicare patients who saw Dr. Ashley in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.62, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ashley's median patient age at 37, with 63% women.
Dr. Ashley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ashley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Ashley wrote 306 Medicare Part D claims in 2024
In 2024, Dr. Ashley wrote 306 Medicare Part D claims for 234 patients. 95% of them were for generic drugs. CMS names the drug for 177 of them, across 9 drugs with 11 or more claims each, at $1,766 in total drug cost. In 2023, CMS named 214 claims across 9 drugs.
Dr. Ashley's Part D claims by kind of drug, 2024
- Generic290 claims95%
- Brand-name16 claims5%
Dr. Ashley's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ashley's Part D claims, 2024
- Opioids8%24 of 306 claims
- Antibiotics37%112 of 306 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2142024: 17717%
Drugs named by CMS: 9 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mark A. Ashley takes part in Medicare
Dr. Ashley 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. Mark A. Ashley received $2,671 in industry payments from 2017 to 2020
CMS Open Payments shows 2 general payments to Dr. Ashley from 2 drug and device companies from 2017 to 2020. Consulting fees make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $2,640.
General payments to Dr. Ashley by program year, 2017 to 2020
General payments to Dr. Ashley by kind, 2017 to 2020
- Consulting fees$2,64099%
- Food and beverage$311%
Companies that paid Dr. Ashley the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Ashley graduated from Loma Linda University School of Medicine
Dr. Ashley graduated from Loma Linda University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Ashley'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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) |
| Industry payments | Open Payments (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. Mark A. Ashley
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. Mark A. Ashley's NPI number?
Dr. Mark A. Ashley's NPI number is 1083773741. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Ashley?
Dr. Mark A. Ashley is a family medicine physician in Riverside, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mark A. Ashley practice?
Dr. Ashley practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Ashley's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. Mark A. Ashley's office phone number?
The practice phone on file for Dr. Ashley is (951) 353-2000.
What is Dr. Mark A. Ashley's medical license number?
Dr. Ashley holds California license A77477.
Which hospitals is Dr. Mark A. Ashley affiliated with?
Dr. Ashley practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Mark A. Ashley part of?
Dr. Ashley is linked to Southern California Permanente Medical Group.
Does Dr. Mark A. Ashley accept Medicare?
Yes. CMS lists Dr. Ashley as accepting Medicare assignment.
How many Medicare patients does Dr. Mark A. Ashley see?
CMS counts 11 Medicare patients who saw Dr. Ashley in 2024, with an average age of 64.
Where did Dr. Mark A. Ashley go to medical school?
Dr. Ashley graduated from Loma Linda University School of Medicine in 2000.
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What drugs does Dr. Mark A. Ashley prescribe most?
In 2024 Medicare Part D data, Dr. Ashley's most prescribed drugs by claims were Prednisone, Meloxicam and Cephalexin.
Has Dr. Mark A. Ashley received payments from drug or device companies?
CMS Open Payments shows $2,671 in general payments to Dr. Ashley from 2 companies from 2017 to 2020. The largest total came from Novo Nordisk Inc.
How long has Dr. Mark A. Ashley been practicing?
Dr. Ashley graduated from medical school in 2000, 26 years ago.
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