Ashton Christian, MD
Surgery Physician · Mission Viejo, CA
Ashton Christian, MD is a surgery physician with a practice address in Mission Viejo, California, and NPI 1699207704, issued on Mar 29, 2017. Check the license (California A157097, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ashton Christian
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A157097 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27799 Medical Center RD Ste 440, Mission Viejo, CA 92691
- Phone
- (493) 641-0079
- Enumerated
- Mar 29, 2017
- Record last updated
- Feb 9, 2026
- Fax
- (949) 364-0317
- Medicare enrollment
- Enrolled (PECOS I20240731004316); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 27799 Medical Center RD Ste 440
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marla Anderson, MDSurgery Physician1528130333
- Alison Forbes, NPAcute Care Nurse Practitioner1659504298
- Peter Pak, M.D.Trauma Surgery Physician1588955694
- Elliot Silver, M.D.Surgery Physician1255862801
Verify Ashton Christian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average surgery physician in 2024
15 Medicare Part D claims for 11 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $349.29
6 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- South Orange County Surgical Medical Group IncMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashton Christian among 3,118 surgery physician records in California
Ashton Christian, MD is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.
- NPI issued2017 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2017 · median 2003 among the 1,901 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Mission Viejo → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Marla Anderson, MDMission Viejo, CA 926911528130333
- Louise Bacon, M.D.Mission Viejo, CA 926911063732428
- Matthew BradyMission Viejo, CA 926911376863621
- Kenneth Kushner, M.D.Mission Viejo, CA 926911518967702
- Anne Luhan, M.D., F.A.C.S.Mission Viejo, CA 926911093985731
- Ralph Maeda, M.D.Mission Viejo, CA 926911902806136
- Carl Schwab, M.D.Mission Viejo, CA 926911497968804
- John Shaver, M.D.Mission Viejo, CA 926911598765729
Common questions
What is Ashton Christian, MD's NPI number?
Ashton Christian, MD's National Provider Identifier (NPI) is 1699207704, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ashton Christian, MD located?
The NPPES record lists a practice address at 27799 Medical Center RD Ste 440, Mission Viejo, CA, 92691. Phone: (493) 641-0079. Providers update this record themselves, so call before visiting.
How can I verify Ashton Christian, MD's license?
NPPES lists California license number A157097, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ashton Christian, MD prescribe under Medicare Part D?
In 2024, Ashton Christian, MD had 15 Medicare Part D claims for 11 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.