NPPES file of Aug 9, 2026

Mary A. Vreeke, M.D.

Anesthesiology Physician · Oxnard, CA

Mary A. Vreeke, M.D. is an anesthesiology physician with a practice address in Oxnard, California, and NPI 1013027184, issued on Aug 30, 2006. Check the license (California A78457, 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
1013027184
Name
Mary A. Vreeke
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A78457 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 N Rose Ave, Oxnard, CA 93030
Phone
(805) 988-2500
Enumerated
Aug 30, 2006
Record last updated
Jul 25, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
00A784570 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1600 N Rose Ave

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

  1. Glen Abergel, M.D.Critical Care Medicine (Internal Medicine) Physician1093743924
  2. Waqas Aftab, M.D.Critical Care Medicine (Internal Medicine) Physician1043414220
  3. David Aguilar, M.D.Anesthesiology Physician1568484921
  4. Michelle AmparoRegistered Nurse1386593994
  5. Melissa Arbar, DOAnesthesiology Physician1063875136
  6. Sulaiman Barkho, MDInternal Medicine Physician1710417209

Verify Mary A. Vreeke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78457
    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

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97% fewer Medicare Part D claims than the average anesthesiology physician in 2024

12 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.

  1. Mary Vreeke12
  2. Specialty average402

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): 95 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 score88.9
  2. Costout of 100 · 30%70.3
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Mary A. Vreeke among 7,571 anesthesiology physician records in California

Mary A. Vreeke, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2008 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. David Aguilar, M.D.Oxnard, CA 930301568484921
  2. Jon Belleville, M.D.Oxnard, CA 930301013069426
  3. William Berard, M.D.Oxnard, CA 930301639289705
  4. Thomas Doria, M.D.Oxnard, CA 930301619087764
  5. Mark Harlacher, M.D.Oxnard, CA 930301457360638
  6. Vance Kalcic, M.D.Oxnard, CA 930301669586814
  7. Robert Martin, M.D.Oxnard, CA 930301104841535
  8. Eli MatthewsOxnard, CA 930301386819118

Common questions

What is Mary A. Vreeke, M.D.'s NPI number?

Mary A. Vreeke, M.D.'s National Provider Identifier (NPI) is 1013027184, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary A. Vreeke, M.D. located?

The NPPES record lists a practice address at 1600 N Rose Ave, Oxnard, CA, 93030. Phone: (805) 988-2500. Providers update this record themselves, so call before visiting.

How can I verify Mary A. Vreeke, M.D.'s license?

NPPES lists California license number A78457, 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 Mary A. Vreeke, M.D. prescribe under Medicare Part D?

In 2024, Mary A. Vreeke, M.D. had 12 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.

What is Mary A. Vreeke, M.D.'s MIPS final score?

The 2023 MIPS final score is 95 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.