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DR. ADAM SETH MAYER MD
NPI 1689101313
Pediatrics - Pediatric Rheumatology in Hackensack, NJ

Active since May 12, 2017PECOS EnrolledAccepts Medicare Assignment
30 PROSPECT AVE RM 360, HACKENSACK, NJ 07601(551) 996-5306(551) 996-9815 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 3, 2025, May 12, 2017 (2 updates tracked since 2017).

About Dr. Adam Seth Mayer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ADAM SETH MAYER MD (NPI 1689101313) is an individual pediatric rheumatology provider in Hackensack, New Jersey, licensed in New Jersey (25MA12709300) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1689101313
Entity TypeIndividualMale
Primary Taxonomy2080P0216X
Provider Legal NameDR. ADAM SETH MAYERCredential: MD
Location Address30 PROSPECT AVE RM 360Hackensack, NJ 07601-1915
Mailing Address331 Newman Springs Road, Bldg. 2, Suite 220Red Bank, NJ 07701 · (732) 807-0877 · Fax (201) 751-1680
Phone(551) 996-5306
Fax(551) 996-9815
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 12, 2017
Last NPPES UpdateJuly 3, 20252 updates tracked since enumeration
NPPES CertifiedJune 13, 2025
✔ NPI 1689101313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0216X
License✔ Licensed in NJ · 25MA12709300
Definition
A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License 25MA12709300 (NJ)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
30 PROSPECT AVE RM 360, Hackensack, NJ 07601
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Metro Blvd, Bldg A Ste 202Clifton, NJ 07011 · Phone (973) 230-6600 · Fax (973) 230-6699
Location 23400 Spruce St, 100 CentrexPhiladelphia, PA 19104-4238 · Phone (215) 662-2532

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Adam Seth Mayer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173038817
PECOS Enrollment IDI20250712000834
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Adam Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hackensack Meridian Health Medical Group - Complex Care PC
38 mi
Internal Medicine
331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 306 clinicians in this Medicare group
NPI 1154379626 (732) 807-0800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hackensack University Medical Center

Acute Care Hospitals · Hackensack, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310001
Location30 Prospect AveHackensack, NJ 07601 · Bergen County
Emergency services Birthing friendly

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adam Mayer's NPI number?

The NPI number for Adam Mayer is 1689101313. It was assigned to this individual provider in the NPPES registry on May 12, 2017.

Where is Adam Mayer located?

Adam Mayer practices at 30 Prospect Ave Rm 360, Hackensack, NJ 07601. The listed phone number is (551) 996-5306.

What is Adam Mayer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.

Is Adam Mayer enrolled in Medicare?

Yes. Adam Mayer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Adam Mayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Mayer reassigns Medicare benefits to Hackensack Meridian Health Medical Group - Complex Care PC (Red Bank, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adam Mayer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Adam Mayer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Adam Mayer affiliated with any hospitals?

According to CMS data, Adam Mayer is affiliated with Hackensack University Medical Center.

When was this NPI record last updated?

The NPPES record for Adam Mayer was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.