David Merriott
Ophthalmology Physician · Orange, CA
David Merriott is an ophthalmology physician with a practice address in Orange, California, and NPI 1588242606, issued on Mar 30, 2021. Check the license (California A203161, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Merriott
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A203161 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-5691
- Enumerated
- Mar 30, 2021
- Record last updated
- Jun 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20250627002627); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify David Merriott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,380 Medicare Part D claims for 304 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Latanoprost285 claims
- Brimonidine Tartrate167 claims
- Dorzolamide-Timolol160 claims
- Prednisolone Acetate144 claims
- Rhopressa107 claims
- Moxifloxacin56 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: $260.01
2 payments; by number, the most common kind was 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 one group practice
- Regents OF The University OF CaliforniaOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Merriott among 2,899 ophthalmology physician records in California
David Merriott 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 2021, is newer than 96% of them.
- NPI issued2021 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2001 among the 1,907 with a school on file
- Record last updated2025 · 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 Orange → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Rahul Bhola, M.D.Orange, CA 928681609910033
- Swaraj Bose, MDOrange, CA 928681285714360
- Michael V Drake, MDOrange, CA 928681356421499
- Babak Fardin, MDOrange, CA 928681174553424
- George Garcia, M.D.Orange, CA 928681437175262
- Laura Howard, M.D.Orange, CA 928681194934109
- Linda Lippa, MDOrange, CA 928681245310499
- Christopher Lyon, PH.D,MDOrange, CA 928681649316753
Common questions
What is David Merriott's NPI number?
David Merriott's National Provider Identifier (NPI) is 1588242606, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David Merriott located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-5691. Providers update this record themselves, so call before visiting.
How can I verify David Merriott's license?
NPPES lists California license number A203161, 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 David Merriott prescribe under Medicare Part D?
In 2024, David Merriott had 1,380 Medicare Part D claims for 304 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.