2026 NPPES data Family Medicine Physician NPI 1427707116 DO
Verify on CMS →

Marc Napolitano, DO

Family Medicine Physician in Morristown, New Jersey.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 147,760 in Family Medicine Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.

What the federal data shows

Marc Napolitano, DO is a Family Medicine Physician in Morristown, New Jersey, listed in the federal CMS National Provider Identifier registry.

Likely
board-certified (heuristic)
#17
Family Medicine Physician rank among New Jersey specialties

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.

CMS NPPES provider registry desk

NPI 1427707116 · Family Medicine Physician

NPI-10 · ENUM-RECENT · TAX-MEGA · RX-NONE · BOOK-LIGHT · PHOTO-ENUM

  • NPI-10 1427707116
  • ENUM-RECENT 2022
  • TAX-MEGA 148K Family Medicine
  • RX-NONE No Part D
  • BOOK-LIGHT 2,653 in New Jersey
  • PHOTO-ENUM Francesca Meade · 2022
Board certification likely (heuristic, not verified)

Marc Napolitano, DO practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Marc Napolitano, DO?

Quality data not reported

NPI registry status

Active

Issued 03/21/2022

NPI 1427707116

Primary specialty

Family Medicine Physician

High-volume

147,760 US NPIs in this specialty

Specialty distribution in New Jersey

How Family Medicine Physician compares to other specialties among New Jersey providers

New Jersey providers
Mental Health Counselor6.2%Physical Therapist5.9%Clinical Social Worker5.5%Student in an Organized Heal…5.4%Pharmacist5%Internal Medicine Physician3.1%Family Medicine Physician1.6%
Largest specialties in New Jersey (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Family Medicine Physician. Verify directly:

How MIPS and board certification work

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

Practice Address

435 SOUTH ST STE 220
Morristown, NJ 07960

Provider Details

NPI 1427707116
Specialty Family Medicine Physician
Credentials DO
Gender Male
NPI Issued 03/21/2022

Hospital and facility affiliations

Facilities where Marc Napolitano, DO bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

Practice Associates Medical Group
Morristown, NJ

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Family Medicine Physician Overview

How Marc Napolitano, DO fits within the Family Medicine Physician landscape nationally.

147,760
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider

Nationwide Family Medicine Physician peers with similar MIPS or enrollment year

Two federal-record peer sets for Napolitano, both outside New Jersey so the neighborhoods are not geographic containment.

Same NPPES enumeration year (2022)

Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.

Nearby Family Medicine Physician Providers in New Jersey

Other clinicians with the same primary specialty enrolled in New Jersey, drawn from the same CMS NPPES roster as Napolitano.

One of 2,653 Family Medicine Physician providers enrolled in New Jersey, 5 are shown here.

Compare Family Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is Marc Napolitano, DO's specialty?
Marc Napolitano, DO specializes in Family Medicine Physician and practices in Morristown, New Jersey. Credentials: DO.
Where is Marc Napolitano, DO located?
Marc Napolitano, DO is located at 435 SOUTH ST STE 220, Morristown, NJ, 07960. Phone: (973) 971-4222.
What is Marc Napolitano, DO's NPI number?
Marc Napolitano, DO's National Provider Identifier (NPI) is 1427707116, issued on 03/21/2022.
How many Family Medicine Physician providers are there in the US?
There are 147,760 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
Does Marc Napolitano, DO accept Medicare?
Marc Napolitano, DO appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Marc Napolitano, DO's credentials?
Marc Napolitano, DO's NPI is 1427707116 with credentials DO. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

View source datasets and methodology notes
Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.