Registry data as of Aug 27, 2026

Brittni Mack, PA-C

Surgical Physician Assistant · Oxnard, CA

Brittni Mack, PA-C is a surgical physician assistant with a practice address in Oxnard, California, and NPI 1063975753, issued on Apr 9, 2019. Check the license (California 56843, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063975753
Name
Brittni Mack
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
56843 CA
Self-reported in NPPES; status is on the state search
Practice location
1700 N Rose Ave Ste 470, Oxnard, CA 93030
Phone
(805) 988-2775
Enumerated
Apr 9, 2019
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 1700 N Rose Ave Ste 470

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

  1. Rachel Araujo, NPNurse Practitioner1508632316
  2. Amit Goyal, M.D.Neurological Surgery Physician1174813588
  3. Bradley Hiner, MDNeurology Physician1326099151
  4. Jay Klarnet, MDMedical Oncology Physician1538258314
  5. Brian MiremadiNeurology Physician1376078931
  6. Mani Nezhad, M.D.Neurology Physician1669716387

Verify Brittni Mack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 56843
    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
Find 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

48% fewer Medicare Part D claims than the average surgical physician assistant in 2024

159 Medicare Part D claims for 77 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 54 claims were for opioids.

  1. Brittni Mack159
  2. Specialty average304

Most prescribed

  1. Hydrocodone-Acetaminophen36 claims
  2. Gabapentin30 claims
  3. Cyclobenzaprine Hcl15 claims
  4. Clopidogrel12 claims
  5. Oxycodone Hcl12 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 Medicare quality score for 2023: 96.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score80.3
  2. Costout of 100 · 30%
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,216.26

22 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brittni Mack$1,216.26
  2. Specialty average$703.95

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. Link Neuroscience Institute PCOxnard, CA

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

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

Other surgical physician assistant records in California

  1. Brooke Aber, P.A.Pleasant Hill, CA1790716074
  2. Brooke Abrantes, PA-CMountain View, CA1316771298
  3. Jory Adam, PA-CGreenbrae, CA1922269521
  4. Zulhumar Adil, PA-CFullerton, CA1578328043
  5. Neil Adler, PASan Jose, CA1447223276
  6. Lauren Aguilar, PAFresno, CA1518822022
  7. Maria Eugenia Aguilar H., PACMonterrey Park, CA1427276799
  8. Dzevahira Ahmetspahic, PA-CSan Leandro, CA1578601613
  9. James Aicardi, PA-CSan Francisco, CA1528557568
  10. Songolaye Akinloye, P.A.Los Angeles, CA1487781043

Common questions

What is Brittni Mack, PA-C's NPI number?

Brittni Mack, PA-C's National Provider Identifier (NPI) is 1063975753, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Brittni Mack, PA-C located?

The NPPES record lists a practice address at 1700 N Rose Ave Ste 470, Oxnard, CA, 93030. Phone: (805) 988-2775. Providers update this record themselves, so call before visiting.

How can I verify Brittni Mack, PA-C's license?

NPPES lists California license number 56843, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Brittni Mack, PA-C prescribe under Medicare Part D?

In 2024, Brittni Mack, PA-C had 159 Medicare Part D claims for 77 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Brittni Mack, PA-C's Medicare quality score?

The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.