Justin Zubak, MD
Family Medicine Physician · Foothill Ranch, CA
Justin Zubak, MD is a family medicine physician with a practice address in Foothill Ranch, California, and NPI 1831888338, issued on May 2, 2023. Check the license (California 210743, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Zubak
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 210743 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26795 Portola Pkwy, Foothill Ranch, CA 92610
- Phone
- (833) 770-9933
- Enumerated
- May 2, 2023
- Record last updated
- Jul 21, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 26795 Portola Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Armanious, MDFamily Medicine Physician1952898744
- Phillip Cecchini, M.DFamily Medicine Physician1467480194
- Teresa Shields-Szabo, MDFamily Medicine Physician1578677985
- Michael Stouder, M.D.Family Medicine Physician1669575866
Verify Justin Zubak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 210743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
304 Medicare Part D claims for 69 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 24 claims were for opioids.
Most prescribed
- Amlodipine Besylate20 claims
- Metformin Hcl19 claims
- Atorvastatin Calcium16 claims
- Pregabalin12 claims
- Losartan Potassium11 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.
Justin Zubak among 17,133 family medicine physician records in California
Justin Zubak, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Foothill Ranch
They are 16 of the 169 NPPES records with a practice address in Foothill Ranch, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Foothill Ranch → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nancy Armanious, MDFoothill Ranch, CA 926101952898744
- Glen Barbee, MDFoothill Ranch, CA 926101710035761
- Cherrie Bravo, MDFoothill Ranch, CA 926101962937177
- Phillip Cecchini, M.DFoothill Ranch, CA 926101467480194
- Michael Huang, M.D.Foothill Ranch, CA 926101295899045
- Benjamin Leong, M.D.Foothill Ranch, CA 926101184042202
- Shobha Rani Mahesh, M.D.Foothill Ranch, CA 926101992935068
- Ali Mor, M.D.Foothill Ranch, CA 926101184848418
Common questions
What is Justin Zubak, MD's NPI number?
Justin Zubak, MD's National Provider Identifier (NPI) is 1831888338, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Justin Zubak, MD located?
The NPPES record lists a practice address at 26795 Portola Pkwy, Foothill Ranch, CA, 92610. Phone: (833) 770-9933. Providers update this record themselves, so call before visiting.
How can I verify Justin Zubak, MD's license?
NPPES lists California license number 210743, 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 Justin Zubak, MD prescribe under Medicare Part D?
In 2024, Justin Zubak, MD had 304 Medicare Part D claims for 69 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.