Margaret Mantz, FNP
Family Nurse Practitioner · Newark, NJ
Margaret Mantz, FNP is a family nurse practitioner with a practice address in Newark, New Jersey, and NPI 1679915672, issued on Jul 19, 2013. Check the license (New Jersey 26 NJ00450600, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Mantz
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 26 NJ00450600 NJ
345897 NY
Self-reported in NPPES; status is on the state search - Practice location
- 90 Bergen St, Newark, NJ 07103
- Phone
- (973) 972-9000
- Enumerated
- Jul 19, 2013
- Record last updated
- Apr 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210121000828); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,881 in New Jersey → Look up another NPI →
Also registered at 90 Bergen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arevik Abramyan, MD, PHDStudent in an Organized Health Care Education/Training Program1013702968
- Helen Aguila, MDPediatric Pulmonology Physician1386718740
- Terese AlfanoAthletic Trainer1528415023
- Madolene Aliparo, M.D.Pediatrics Physician1417004078
- Ammar Alkawi, M.D.Vascular Neurology Physician1376741553
- Devashish Anjaria, M.D.Surgical Critical Care Physician1609806686
Verify Margaret Mantz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 26 NJ00450600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
62 Medicare Part D claims for 38 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
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): 84.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,838.19
35 payments; by number, the most common kind was food and beverage; the largest payer was Saluda Medical Americas, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Mantz among 3,881 family nurse practitioner records in New Jersey
Margaret Mantz, FNP is one of 3,881 family nurse practitioner records with a practice address in New Jersey. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 18% of them.
- NPI issued2013 · 18% of these records are older, 78% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2013 · median 2019 among the 2,262 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 family nurse practitioner records list a practice address in Newark
They are 135 of the 4,875 NPPES records with a practice address in Newark, and 3,881 family nurse practitioner records in New Jersey.
All 3,881 in New Jersey → Every provider in Newark → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Carol Jean Abesamis, N.P,Newark, NJ 071031609088673
- Cathy Blaskewicz, APN-CNewark, NJ 071031215149679
- Monica Chomsky, APRN-BCNewark, NJ 071031043358583
- Terri Davis, FNPNewark, NJ 071031164841920
- Carol Davison, R.N., MSN, FNP-CNewark, NJ 071031912115031
- Kim DovaloNewark, NJ 071031043626211
- Ceyon Drakes, APNNewark, NJ 071031740511385
- Chakia FanielNewark, NJ 071031992254940
Common questions
What is Margaret Mantz, FNP's NPI number?
Margaret Mantz, FNP's National Provider Identifier (NPI) is 1679915672, issued on Jul 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Mantz, FNP located?
The NPPES record lists a practice address at 90 Bergen St, Newark, NJ, 07103. Phone: (973) 972-9000. Providers update this record themselves, so call before visiting.
How can I verify Margaret Mantz, FNP's license?
NPPES lists New Jersey license number 26 NJ00450600, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Mantz, FNP prescribe under Medicare Part D?
In 2024, Margaret Mantz, FNP had 62 Medicare Part D claims for 38 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Margaret Mantz, FNP's MIPS final score?
The 2023 MIPS final score is 84.5 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.