Zachary Grant Valadez, M.D.
Family Medicine Physician · Corona, CA
Zachary Grant Valadez, M.D. is a family medicine physician with a practice address in Corona, California, and NPI 1306371182, issued on Apr 28, 2017. Check the license (California A169478, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zachary Grant Valadez
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A169478 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2250 S Main St Ste 106, Corona, CA 92882
- Phone
- (951) 371-2703
- Enumerated
- Apr 28, 2017
- Record last updated
- Aug 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (951) 371-9348
- Medicare enrollment
- Enrolled (PECOS I20200817002335); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2250 S Main St Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christos Bovetas, M.D.Internal Medicine Physician1487740262
- Patricia Greco, NPPediatric Nurse Practitioner1841321817
- Hayley Lynam, PA-CPhysician Assistant1003357344
- Terry Sanderfer, M.D.Surgery Physician1235102401
Verify Zachary Grant Valadez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family medicine physician in 2024
1,899 Medicare Part D claims for 152 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium271 claims
- Metformin Hcl90 claims
- Amlodipine Besylate74 claims
- Losartan Potassium64 claims
- Benazepril Hcl58 claims
- Lisinopril57 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: $54.14
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- County OF RiversideMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
42 family medicine physician records list a practice address in Corona
They are 42 of the 3,731 NPPES records with a practice address in Corona, and 17,133 family medicine physician records in California.
All 42 in Corona → All 17,133 in California → Every provider in Corona →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Zachary Grant Valadez, M.D.'s NPI number?
Zachary Grant Valadez, M.D.'s National Provider Identifier (NPI) is 1306371182, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Grant Valadez, M.D. located?
The NPPES record lists a practice address at 2250 S Main St Ste 106, Corona, CA, 92882. Phone: (951) 371-2703. Providers update this record themselves, so call before visiting.
How can I verify Zachary Grant Valadez, M.D.'s license?
NPPES lists California license number A169478, 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 Zachary Grant Valadez, M.D. prescribe under Medicare Part D?
In 2024, Zachary Grant Valadez, M.D. had 1,899 Medicare Part D claims for 152 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.