NPPES file of Aug 9, 2026

Nikki Zahabi, DO

Internal Medicine Physician · Irvine, CA

Nikki Zahabi, DO is an internal medicine physician with a practice address in Irvine, California, and NPI 1437506847, issued on May 16, 2016. Check the license (California 20A16847, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437506847
Name
Nikki Zahabi
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A16847 CA
Self-reported in NPPES; status is on the state search
Practice location
16300 Sand Canyon Ave Ste 207, Irvine, CA 92618
Phone
(949) 333-7580
Enumerated
May 16, 2016
Record last updated
Nov 16, 2022
Fax
(949) 333-7599
Medicare enrollment
Enrolled (PECOS I20200727001644); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 16300 Sand Canyon Ave Ste 207

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sudarsan Kollimuttathuillam, MDHematology & Oncology Physician1902324528

Verify Nikki Zahabi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A16847
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 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.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $29.70

1 payment: food and beverage; the largest payer was Eisai Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nikki Zahabi$29.70
  2. Specialty average$1,303.06

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

  1. City OF Hope Medical FoundationIrvine, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nikki Zahabi among 17,696 internal medicine physician records in California

Nikki Zahabi, DO is one of 17,696 internal medicine 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 2016, is newer than 79% of them.

  • NPI issued2016 · 79% of these records are older, 19% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2017 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

155 internal medicine physician records list a practice address in Irvine

They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Savitha Bharadwaj, M.D.Irvine, CA 926181760470926
  2. Juan Cabrera, M.D.Irvine, CA 926181447254792
  3. William Chen, M.D.Irvine, CA 926181881659142
  4. Subrato Ghosh, MDIrvine, CA 926181083607055
  5. Kambiz Karimi, M.D.Irvine, CA 926181184688475
  6. Sara Kim, M.D.Irvine, CA 926181912944166
  7. Brian Lo, MDIrvine, CA 926181073501565
  8. Emad Mikhail, MDIrvine, CA 926181376582957

Common questions

What is Nikki Zahabi, DO's NPI number?

Nikki Zahabi, DO's National Provider Identifier (NPI) is 1437506847, issued on May 16, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Nikki Zahabi, DO located?

The NPPES record lists a practice address at 16300 Sand Canyon Ave Ste 207, Irvine, CA, 92618. Phone: (949) 333-7580. Providers update this record themselves, so call before visiting.

How can I verify Nikki Zahabi, DO's license?

NPPES lists California license number 20A16847, 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.

What is Nikki Zahabi, DO's MIPS final score?

The 2023 MIPS final score is 99.1 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.