Mark Soontornvachrin
Ophthalmology Physician · Vista, CA
Mark Soontornvachrin is an ophthalmology physician with a practice address in Vista, California, and NPI 1609987585, issued on Aug 31, 2006. Check the license (California A112148, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Soontornvachrin
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A112148 CA
Self-reported in NPPES; status is on the state search - Practice location
- 780 Shadowridge Dr, Vista, CA 92083
- Phone
- (844) 424-1867
- Enumerated
- Aug 31, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110728000441); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 780 Shadowridge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Arrington, M.A.Marriage & Family Therapist1033492194
- Kathleen Baniwas, LMFTClinical Social Worker1710339650
- Elizabeth Bauer, RN,MSHMental Health Counselor1598962292
- Michele Buland, LCSWClinical Social Worker1053752568
- Henry Joseph Cordova, LCSWClinical Social Worker1720721939
- Amber Eckert, MSC/MFTMarriage & Family Therapist1366860561
Verify Mark Soontornvachrin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average ophthalmology physician in 2024
3,813 Medicare Part D claims for 749 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Latanoprost1,072 claims
- Dorzolamide-Timolol840 claims
- Prednisolone Acetate383 claims
- Brimonidine Tartrate352 claims
- Ketorolac Tromethamine288 claims
- Ofloxacin264 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: $145.25
1 payment: food and beverage; the largest payer was Sight Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Soontornvachrin among 2,899 ophthalmology physician records in California
Mark Soontornvachrin is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Vista → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Heather Chen, MDVista, CA 920831164881603
- Steven Fish, MDVista, CA 920831760877120
- Iga Gray, MD, PHDVista, CA 920831033538350
- Bradley Greider, MDVista, CA 920831508979006
- Kelsi Greider-Sideris, M.D.Vista, CA 920831851771497
- Benjamin Stephens, M.D.Vista, CA 920831043624448
- Dan Yoon, M.D.Solana Beach, CA 920751033529748
- Natalie Afshari, M.D.La Jolla, CA 920931538126735
Common questions
What is Mark Soontornvachrin's NPI number?
Mark Soontornvachrin's National Provider Identifier (NPI) is 1609987585, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Soontornvachrin located?
The NPPES record lists a practice address at 780 Shadowridge Dr, Vista, CA, 92083. Phone: (844) 424-1867. Providers update this record themselves, so call before visiting.
How can I verify Mark Soontornvachrin's license?
NPPES lists California license number A112148, 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 Mark Soontornvachrin prescribe under Medicare Part D?
In 2024, Mark Soontornvachrin had 3,813 Medicare Part D claims for 749 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.