Inflamm Bowel Dis
Anti-Inflammatory Agents, Non-SteroidalAssessment of Medication AdherenceBiological Therapy
Dr. Jonathan Robert Ashton, MD
NPI1790777555
- Medicare services, 2021
- 123
- Publications
- 1
- Industry payments
- $14
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 9537 Telstar Ave, El Monte, CA 91731
- Practice phone
- Call (626) 401-2888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
El Monte Adult Day Health Care Center
El Monte, California
Find Dr. Ashton'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. Jonathan Robert Ashton is an anesthesiologist in El Monte, California
Dr. Ashton practices at El Monte Adult Day Health Care Center in El Monte, California.
Dr. Ashton's NPI, 1790777555, was assigned on August 18, 2005. Dr. Ashton holds Illinois license 036082958.
NPI and contact details
- NPI
- 1790777555NPI Registry (opens in a new tab)
- NPI enumeration date
- August 18, 2005
- NPI status
- Active
- Practice phone
- (626) 401-2888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Jonathan Robert Ashton practices at El Monte Adult Day Health Care Center in El Monte, California
Dr. Ashton's primary practice is El Monte Adult Day Health Care Center, at 9537 Telstar Ave, El Monte, CA 91731 in Los Angeles County. The practice phone is (626) 401-2888.
- El Monte Adult Day Health Care Center9537 Telstar Ave, El Monte, CA 91731 · Los Angeles CountyPhone(626) 401-2888
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jonathan Robert Ashton is affiliated with 1 site of care
Dr. Ashton's primary practice is El Monte Adult Day Health Care Center in El Monte, California.
El Monte Adult Day Health Care CenterPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Jonathan Robert Ashton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ashton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Monte Adult Day Health Care Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Ashton practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jonathan Robert Ashton is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ashton's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ashton is licensed in Illinois.
Specialties and state licenses
- Anesthesiology, IllinoisPrimary
Anesthesiologists near Dr. Ashton
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California
4anesthesiologists in El Monte
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jonathan Robert Ashton billed Medicare for 123 services in 2021
CMS data shows 123 Medicare services from Dr. Ashton across 5 procedure codes in 2021. Medicare paid $7,697 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2021123
Paid by Medicare$7,697
Procedure codes5
Dr. Ashton's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Anesthesia
- 2020: 1382021: 12311%
Dr. Ashton compared with the California median for anesthesiologists, 2021
- Dr. Ashton
- California median
- Medicare services
- 123vs 7271% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ashton's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ashton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ashton and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Robert Ashton's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Ashton's median patient age at 67, with 100% women.
Dr. Ashton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
For MedTech and pharma teams
Find anesthesiologists like Dr. Ashton by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jonathan Robert Ashton has 1 publication on record
Dmand AI links 1 paper to Dr. Ashton. Dr. Ashton's most frequent co-authors are Robin L. Dalal, MD, Sara Nicole Horst, MD and Francesca Nicole Raffa, MD.
Papers1
Dr. Ashton's most frequent co-authors
- Robin L. Dalal, MD1 shared paper
- Sara Nicole Horst, MD1 shared paper
- Francesca Nicole Raffa, MD1 shared paper
Recent publications by Dr. Ashton
See who Dr. Ashton researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ashton works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jonathan Robert Ashton received $14 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Ashton from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $14.
Companies that paid Dr. Ashton the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan Robert Ashton'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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 Dr. Jonathan Robert Ashton
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. Jonathan Robert Ashton's NPI number?
Dr. Jonathan Robert Ashton's NPI number is 1790777555. It was assigned on August 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Robert Ashton?
Dr. Jonathan Robert Ashton is an anesthesiologist in El Monte, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jonathan Robert Ashton practice?
Dr. Ashton practices at 9537 Telstar Ave, El Monte, CA 91731. Dr. Ashton's primary practice is El Monte Adult Day Health Care Center in El Monte, California.
What is Dr. Jonathan Robert Ashton's office phone number?
The practice phone on file for Dr. Ashton is (626) 401-2888.
What is Dr. Jonathan Robert Ashton's medical license number?
Dr. Ashton holds Illinois license 036082958.
Does Dr. Jonathan Robert Ashton accept Medicare?
Yes. CMS data shows Dr. Ashton billed Medicare for 123 services in 2021.
What services does Dr. Jonathan Robert Ashton bill to Medicare?
In 2021, Dr. Ashton's most billed Medicare services were anesthesia (00811), anesthesia (00813) and anesthesia (00731).
Has Dr. Jonathan Robert Ashton received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Ashton from 1 company from 2020 to 2020. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Jonathan Robert Ashton been practicing?
Dr. Ashton's NPI was assigned in 2005.
Does Dr. Jonathan Robert Ashton do research?
Dmand AI links 1 publication to Dr. Ashton.
Who does Dr. Jonathan Robert Ashton publish with?
Dr. Ashton's most frequent co-authors are Robin L. Dalal, MD (1 shared paper), Sara Nicole Horst, MD (1 shared paper) and Francesca Nicole Raffa, MD (1 shared paper).
Selling to anesthesiology practices?
See anesthesiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card