NPPES file of Aug 9, 2026

Zadok Jacob Sacks, MD

Pediatrics Physician · Ventura, CA

Zadok Jacob Sacks, MD is a pediatrics physician with a practice address in Ventura, California, and NPI 1649439514, issued on Jun 5, 2008. Check the license (California A130739, 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
1649439514
Name
Zadok Jacob Sacks
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A130739 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Hillmont Ave, Ventura, CA 93003
Phone
(805) 652-6556
Enumerated
Jun 5, 2008
Record last updated
Jul 17, 2023
Medicare enrollment
Enrolled (PECOS I20140818001523); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2008
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 300 Hillmont Ave

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

  1. Thomas Adelman, CRTTCertified Respiratory Therapist1114732666
  2. Henrique Aihara, TECHElectroneurodiagnostic Specialist/Technologist1861108235
  3. Anne Akhimien, MDFamily Medicine Physician1205408515
  4. Trease Allen, PSYCH TECHLicensed Psychiatric Technician1174648620
  5. Mary Allport, LCSWClinical Social Worker1083739320
  6. Edgar Alviz, RNPsychiatric/Mental Health Registered Nurse1386763175

Verify Zadok Jacob Sacks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A130739
    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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78% fewer Medicare Part D claims than the average pediatrics physician in 2024

82 Medicare Part D claims for 34 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.

  1. Zadok Sacks82
  2. Specialty average375

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): 87.2 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 score84.1
  2. Costout of 100 · 30%56.5
  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).

Bills Medicare through 2 group practices

  1. Cottage Medical AssociatesSanta Barbara, CA
  2. County OF VenturaVentura, CA

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

Zadok Jacob Sacks among 9,272 pediatrics physician records in California

Zadok Jacob Sacks, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 39% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2008 · median 2012 among the 754 with a school on file
  • Record last updated2023 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in California

There are 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Patricia Almaguer Auchard, M.D.Ventura, CA 930031881695690
  2. Andrei Bobrow, M.D.Ventura, CA 930031861555880
  3. Janelle Bohl, M.D.Ventura, CA 930031639228505
  4. Carey Chronis, M.D.Ventura, CA 930031851405450
  5. Stephanie D'Augustine, M.D.Ventura, CA 930031558424440
  6. Todd Flosi, M.D.Ventura, CA 930031770647273
  7. Rekha Krishnankutty, M.D.Ventura, CA 930031982768396
  8. Michelle Laba, M.D.Ventura, CA 930031134283559

Common questions

What is Zadok Jacob Sacks, MD's NPI number?

Zadok Jacob Sacks, MD's National Provider Identifier (NPI) is 1649439514, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Zadok Jacob Sacks, MD located?

The NPPES record lists a practice address at 300 Hillmont Ave, Ventura, CA, 93003. Phone: (805) 652-6556. Providers update this record themselves, so call before visiting.

How can I verify Zadok Jacob Sacks, MD's license?

NPPES lists California license number A130739, 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 Zadok Jacob Sacks, MD prescribe under Medicare Part D?

In 2024, Zadok Jacob Sacks, MD had 82 Medicare Part D claims for 34 beneficiaries; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.

What is Zadok Jacob Sacks, MD's MIPS final score?

The 2023 MIPS final score is 87.2 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.