Iga N. Gray, MD, PHD
Ophthalmology Physician · Vista, CA
Iga N. Gray, MD, PHD is an ophthalmology physician with a practice address in Vista, California, and NPI 1033538350, issued on Apr 15, 2014. Check the license (California A174875, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Iga N. Gray
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A174875 CA
57.024251 OH
MD464320 PA
Self-reported in NPPES; status is on the state search - Practice location
- 780 Shadowridge Dr, Vista, CA 92083
- Phone
- (800) 448-6767
- Enumerated
- Apr 15, 2014
- Record last updated
- Jul 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20220217001440); 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 Iga N. Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A174875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average ophthalmology physician in 2024
234 Medicare Part D claims for 85 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Latanoprost103 claims
- Dorzolamide-Timolol41 claims
- Cyclosporine20 claims
- Timolol Maleate15 claims
- Brimonidine Tartrate14 claims
- Erythromycin11 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: $20.89
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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 2 group practices
- Alvarado Eye Associates Med Clinic IncLa Mesa, CA
- 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).
Iga N. Gray among 2,899 ophthalmology physician records in California
Iga N. Gray, MD, PHD 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 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2001 among the 1,907 with a school on file
- Record last updated2026 · 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
- Bradley Greider, MDVista, CA 920831508979006
- Kelsi Greider-Sideris, M.D.Vista, CA 920831851771497
- Mark SoontornvachrinVista, CA 920831609987585
- 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 Iga N. Gray, MD, PHD's NPI number?
Iga N. Gray, MD, PHD's National Provider Identifier (NPI) is 1033538350, issued on Apr 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Iga N. Gray, MD, PHD located?
The NPPES record lists a practice address at 780 Shadowridge Dr, Vista, CA, 92083. Phone: (800) 448-6767. Providers update this record themselves, so call before visiting.
How can I verify Iga N. Gray, MD, PHD's license?
NPPES lists California license number A174875, 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 Iga N. Gray, MD, PHD prescribe under Medicare Part D?
In 2024, Iga N. Gray, MD, PHD had 234 Medicare Part D claims for 85 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.