NPPES file of Aug 9, 2026

Harold L. Mast, MD

Vascular & Interventional Radiology Physician · West Orange, NJ

Harold L. Mast, MD is a vascular & interventional radiology physician with a practice address in West Orange, New Jersey, and NPI 1396790820, issued on May 23, 2006. Check the license (New Jersey 25MA05935000, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396790820
Name
Harold L. Mast
Credential
MD
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
25MA05935000 NJ
Self-reported in NPPES; status is on the state search
Practice location
741 Northfield Ave, West Orange, NJ 07052
Phone
(973) 243-9729
Enumerated
May 23, 2006
Record last updated
Apr 24, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(973) 243-9672
Medicaid ID
6034501 NJ
Medicare enrollment
Enrolled (PECOS I20050722000037); 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 741 Northfield Ave

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

  1. Nicholas Cannarozzi, M.D.Rheumatology Physician1194810259
  2. Joseph Cervone, MDInternal Medicine Physician1710991187
  3. Cleo Concepcion, M.D.Anesthesiology Physician1912942608
  4. Laura Downey, M.D.Specialist1215932553
  5. Dara Facciani, PA-CPhysician Assistant1245352707
  6. Zoe FarkasAudiologist1427984673

Verify Harold L. Mast 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 25MA05935000
    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

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The MIPS final score for 2023 (Medicare payment program): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%95.0
  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: $75.63

3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Harold Mast$75.63
  2. Specialty average$7,206.73

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Harold L. Mast among 130 vascular & interventional radiology physician records in New Jersey

Harold L. Mast, MD is one of 130 vascular & interventional radiology physician records with a practice address in New Jersey. 93% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 67% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated1985 · median 2009 among the 118 with a school on file
  • Record last updated2017 · 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 2085R0204X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in New Jersey

There are 130 vascular & interventional radiology physician records in New Jersey.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Jeffrey Lautin, MDWest Orange, NJ 070521689629875
  2. Richard Shoenfeld, MDWest Orange, NJ 070521033164553
  3. Dennis Kwon, M.D.Passaic, NJ 070551467865261
  4. Eric Delaura, D.O.Union, NJ 070831720009574
  5. Sharon Gonzales, M.D.East Orange, NJ 070181720034135
  6. Piotr Kisza, M.D.East Orange, NJ 070181013960079
  7. Israel Schur, MDClifton, NJ 070131942275946
  8. Steven Epstein, MDGuttenberg, NJ 070931356349641

Common questions

What is Harold L. Mast, MD's NPI number?

Harold L. Mast, MD's National Provider Identifier (NPI) is 1396790820, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Harold L. Mast, MD located?

The NPPES record lists a practice address at 741 Northfield Ave, West Orange, NJ, 07052. Phone: (973) 243-9729. Providers update this record themselves, so call before visiting.

How can I verify Harold L. Mast, MD's license?

NPPES lists New Jersey license number 25MA05935000, 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.

What is Harold L. Mast, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.