NPPES file of Aug 9, 2026

Anastatazja Maziarz, MD

Family Medicine Physician · Somerset, NJ

Anastatazja Maziarz, MD is a family medicine physician with a practice address in Somerset, New Jersey, and NPI 1629348784, issued on Jan 6, 2012. Check the license (New Jersey 25MA09242100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1629348784
Name
Anastatazja Maziarz
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25MA09242100 NJ
Self-reported in NPPES; status is on the state search
Practice location
29 Clyde RD, Somerset, NJ 08873
Phone
(732) 873-0330
Enumerated
Jan 6, 2012
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(732) 873-2077
Medicare enrollment
Enrolled (PECOS I20180504001937); accepts Medicare assignment
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 29 Clyde RD

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

  1. Melanie Callender, PHDClinical Psychologist1851330955
  2. Joan Develder, MSWSpecialist1760406920
  3. Fariha Saleem, MDFamily Medicine Physician1639691975
  4. Judith Velez, MSWMental Health Counselor1063430825

Verify Anastatazja Maziarz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA09242100
    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 New Jersey 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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30% more Medicare Part D claims than the average family medicine physician in 2024

4,609 Medicare Part D claims for 983 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 265 claims were for opioids.

  1. Anastatazja Maziarz4,609
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium356 claims
  2. Amlodipine Besylate211 claims
  3. Levothyroxine Sodium192 claims
  4. Lisinopril180 claims
  5. Losartan Potassium125 claims
  6. Hydrocodone-Acetaminophen123 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSanta Rosa, CA

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

Anastatazja Maziarz among 2,770 family medicine physician records in New Jersey

Anastatazja Maziarz, MD is one of 2,770 family medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.

  • NPI issued2012 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2009 · median 2006 among the 1,875 with a school on file
  • Record last updated2021 · 59% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 family medicine physician records list a practice address in Somerset

They are 13 of the 1,061 NPPES records with a practice address in Somerset, and 2,770 family medicine physician records in New Jersey.

The 8 family medicine physician records with the nearest ZIP codes

  1. Marc Condren, M.D.Somerset, NJ 088731982757712
  2. Nipa Dani, MDSomerset, NJ 088731013997212
  3. Barbara Etheridge, M.D.Somerset, NJ 088731184792814
  4. Rose Ann Ghabour, MDSomerset, NJ 088731770994386
  5. Jeanne Girardy, M.D.Somerset, NJ 088731588055156
  6. Paul Gwozdz, M.D.Somerset, NJ 088731396786000
  7. Irving Kaufman, MDSomerset, NJ 088731942341458
  8. Euton Laing, M.D.Somerset, NJ 088731851357081

Common questions

What is Anastatazja Maziarz, MD's NPI number?

Anastatazja Maziarz, MD's National Provider Identifier (NPI) is 1629348784, issued on Jan 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Anastatazja Maziarz, MD located?

The NPPES record lists a practice address at 29 Clyde RD, Somerset, NJ, 08873. Phone: (732) 873-0330. Providers update this record themselves, so call before visiting.

How can I verify Anastatazja Maziarz, MD's license?

NPPES lists New Jersey license number 25MA09242100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Anastatazja Maziarz, MD prescribe under Medicare Part D?

In 2024, Anastatazja Maziarz, MD had 4,609 Medicare Part D claims for 983 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.