Mark B. Ashby, PA
- Medicare patients, 2024
- 426
- Part D claims, 2024
- 393
- Hospital affiliations
- 3
- Medical groups
- 7
- State license
- 1
- Practice address
- 465 W Putnam Ave, Porterville, CA 93257
- Practice phone
- Call (559) 784-1110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Ashby'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.
Mark B. Ashby is a physician assistant in Porterville, California
Mark Ashby practices at Sierra View Medical Center in Porterville, California, part of Sierra View Medical Center.
Mark Ashby's NPI, 1093060386, was assigned on July 23, 2012. Mark Ashby holds California license PA22159.
- NPI
- 1093060386NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365699824
- NPI enumeration date
- July 23, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (559) 784-1110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark B. Ashby practices at Sierra View Medical Center in Porterville, California
Mark Ashby's primary practice is Sierra View Medical Center, at 465 W Putnam Ave, Porterville, CA 93257 in Tulare County. The practice phone is (559) 784-1110.
- Sierra View Medical Center465 W Putnam Ave, Porterville, CA 93257 · Tulare CountyPhone(559) 784-1110
Source: Dmand AI Affiliation Data
Mark B. Ashby is affiliated with 4 sites of care and 7 medical groups
Mark Ashby's primary practice is Sierra View Medical Center in Porterville, California, part of Sierra View Medical Center. Mark Ashby is also affiliated with Desert Valley Hospital. The medical group on file is Central Valley Emergency Medicine. Dmand AI also links Mark Ashby to 1 more hospital, 6 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark B. Ashby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Ashby practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sierra View Medical Center | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sierra View Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Mark B. Ashby is one of 11,482 physician assistants in California
Physician assistant is Mark Ashby's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Ashby is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Mark Ashby
Counts of physician assistants 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
Mark B. Ashby treated 426 Medicare patients in 2024, average age 69
CMS counts 426 Medicare patients who saw Mark Ashby in 2024. The largest group is 65 to 74, with 205 patients. 75% of them have diabetes, and 75% have high blood pressure. 78% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Ashby's median patient age at 40, with 55% women.
Mark Ashby's Medicare patients by age, 2024
Mark Ashby's Medicare patients by sex, 2024
- Women19145%
- Men23555%
Chronic conditions among Mark Ashby's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis74%
- Mood disorders65%
- COPD63%
- Depression62%
- Anxiety56%
Share of Medicare patients with each condition. A patient can have several.
Mark Ashby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark B. Ashby wrote 393 Medicare Part D claims in 2024
In 2024, Mark Ashby wrote 393 Medicare Part D claims for 266 patients. 94% of them were for generic drugs.
Mark Ashby's Part D claims by kind of drug, 2024
- Generic371 claims94%
- Brand-name22 claims6%
Drug classes CMS tracks in Mark Ashby's Part D claims, 2024
- Opioids18%71 of 393 claims
- Antibiotics27%107 of 393 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mark B. Ashby offers telehealth to Medicare patients
Mark Ashby accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Ashby as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Mark B. Ashby'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 (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) |
| 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 Mark B. Ashby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark B. Ashby's NPI number?
Mark B. Ashby's NPI number is 1093060386. It was assigned on July 23, 2012, and it is active in the NPI Registry.
What does Mark B. Ashby specialize in?
Mark B. Ashby is a physician assistant in Porterville, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mark B. Ashby practice?
Mark Ashby practices at 465 W Putnam Ave, Porterville, CA 93257. Mark Ashby's primary practice is Sierra View Medical Center in Porterville, California, part of Sierra View Medical Center. Dmand AI also links Mark Ashby to 1 hospital, 6 medical groups and 1 group practice or clinic.
What is Mark B. Ashby's office phone number?
The practice phone on file for Mark Ashby is (559) 784-1110.
What is Mark B. Ashby's medical license number?
Mark Ashby holds California license PA22159.
Which hospitals is Mark B. Ashby affiliated with?
Mark Ashby practices at Sierra View Medical Center in Porterville, California. Mark Ashby is also affiliated with Desert Valley Hospital. Dmand AI links Mark Ashby to 1 more hospital.
What medical group is Mark B. Ashby part of?
Mark Ashby is linked to Central Valley Emergency Medicine. Dmand AI links Mark Ashby to 6 more medical groups.
Does Mark B. Ashby accept Medicare?
Yes. CMS lists Mark Ashby as accepting Medicare assignment.
Does Mark B. Ashby offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mark Ashby as offering telehealth services.
How many Medicare patients does Mark B. Ashby see?
CMS counts 426 Medicare patients who saw Mark Ashby in 2024, with an average age of 69.
How long has Mark B. Ashby been practicing?
Mark Ashby graduated from medical school in 2011, 15 years ago.
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