Valeria I. Kozak, MD
Pediatrics Physician · Tustin, CA
Valeria I. Kozak, MD is a pediatrics physician with a practice address in Tustin, California, and NPI 1720057516, issued on Mar 15, 2006. Check the license (California A89502, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Valeria I. Kozak
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A89502 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14642 Newport Ave, Tustin, CA 92780
- Phone
- (714) 838-0022
- Enumerated
- Mar 15, 2006
- Record last updated
- Feb 27, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (714) 838-0060
- Entity
- Type 1 · individual
Also registered at 14642 Newport Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Calma, P.A.-CPhysician Assistant1427250844
- William Crumpton, M,D.Family Medicine Physician1205989373
- Fareed EntezarPharmacist1619443835
- Emerson Jou, M.D.Physical Medicine & Rehabilitation Physician1275648156
- Anjala Kanda, DPMFoot & Ankle Surgery Podiatrist1174577654
- Tariq Khan, M.D.Internal Medicine Physician1295925253
Verify Valeria I. Kozak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average pediatrics physician in 2024
14 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
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: $26.14
1 payment: food and beverage; the largest payer was Pfizer Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California.
Other pediatrics physician records in California
- Subha Aahlad, M.D.Foster City, CA1780610253
- Rebecca Aaronson, MDPanorama City, CA1487746814
- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is Valeria I. Kozak, MD's NPI number?
Valeria I. Kozak, MD's National Provider Identifier (NPI) is 1720057516, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Valeria I. Kozak, MD located?
The NPPES record lists a practice address at 14642 Newport Ave, Tustin, CA, 92780. Phone: (714) 838-0022. Providers update this record themselves, so call before visiting.
How can I verify Valeria I. Kozak, MD's license?
NPPES lists California license number A89502, 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 Valeria I. Kozak, MD prescribe under Medicare Part D?
In 2024, Valeria I. Kozak, MD had 14 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.