Zackery Oakey, MD
Ophthalmology Physician · Irvine, CA
Zackery Oakey, MD is an ophthalmology physician with a practice address in Irvine, California, and NPI 1720320872, issued on Mar 26, 2013. Check the license (California A134573, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zackery Oakey
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A134573 CA
67335 WI
Self-reported in NPPES; status is on the state search - Practice location
- 114 Pacifica Ste 390, Irvine, CA 92618
- Phone
- (949) 868-1044
- Enumerated
- Mar 26, 2013
- Record last updated
- Apr 26, 2024
- Fax
- (949) 239-1043
- Medicaid ID
- 100114312 CA
- Medicare enrollment
- Enrolled (PECOS I20190611000555); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Zackery Oakey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average ophthalmology physician in 2024
323 Medicare Part D claims for 87 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Prednisolone Acetate57 claims
- Difluprednate42 claims
- Latanoprost34 claims
- Ofloxacin30 claims
- Mycophenolate Mofetil22 claims
- Prednisone21 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: $158.75
3 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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 2 group practices
- Retina Consultants OF Orange County, A Medical CorporationFullerton, CA
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zackery Oakey among 2,899 ophthalmology physician records in California
Zackery Oakey, MD 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 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2001 among the 1,907 with a school on file
- Record last updated2024 · 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 Irvine → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Li-Li Chia, M.D.Irvine, CA 926181295778819
- David Chia, M.D. FACS MBAIrvine, CA 926181215970892
- Howard Conn, MDIrvine, CA 926181245282540
- Melanie Erb, M.D.Irvine, CA 926181366458200
- Nengjie Ge, M.D.Irvine, CA 926181871569335
- Zahra Ghiasi, MDIrvine, CA 926181669520490
- Andrew Lee, M.D.Irvine, CA 926181336536861
- Marjorie Mosier, MDIrvine, CA 926181962436154
Common questions
What is Zackery Oakey, MD's NPI number?
Zackery Oakey, MD's National Provider Identifier (NPI) is 1720320872, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Zackery Oakey, MD located?
The NPPES record lists a practice address at 114 Pacifica Ste 390, Irvine, CA, 92618. Phone: (949) 868-1044. Providers update this record themselves, so call before visiting.
How can I verify Zackery Oakey, MD's license?
NPPES lists California license number A134573, 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 Zackery Oakey, MD prescribe under Medicare Part D?
In 2024, Zackery Oakey, MD had 323 Medicare Part D claims for 87 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.