Esther Zarecki, M.D.
Family Medicine Physician · Irvine, CA
Esther Zarecki, M.D. is a family medicine physician with a practice address in Irvine, California, and NPI 1326570540, issued on Mar 28, 2017. Check the license (California A158046, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Esther Zarecki
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A158046 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Willard, Irvine, CA 92604
- Phone
- (833) 574-2273
- Enumerated
- Mar 28, 2017
- Record last updated
- Feb 10, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 6 Willard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Esther Zarecki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
606 Medicare Part D claims for 160 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium52 claims
- Metformin Hcl25 claims
- Losartan Potassium23 claims
- Gabapentin22 claims
- Benazepril Hcl21 claims
- Famotidine19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Esther Zarecki among 17,133 family medicine physician records in California
Esther Zarecki, M.D. 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 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).
148 family medicine physician records list a practice address in Irvine
They are 148 of the 7,778 NPPES records with a practice address in Irvine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Irvine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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Common questions
What is Esther Zarecki, M.D.'s NPI number?
Esther Zarecki, M.D.'s National Provider Identifier (NPI) is 1326570540, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Esther Zarecki, M.D. located?
The NPPES record lists a practice address at 6 Willard, Irvine, CA, 92604. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Esther Zarecki, M.D.'s license?
NPPES lists California license number A158046, 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 Esther Zarecki, M.D. prescribe under Medicare Part D?
In 2024, Esther Zarecki, M.D. had 606 Medicare Part D claims for 160 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Esther Zarecki, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.