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DIANA R. MAYER MD,FAAP
NPI 1770507238
Pediatrics in Freehold, NJ

Active since July 27, 2006PECOS Enrolled
470 STILLWELLS CORNER RD, FREEHOLD, NJ 07728(732) 780-3333(732) 780-6968 Get Directions Write a Review

NPPES record last updated: January 13, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Diana R. Mayer Md,faap NPPES

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

DIANA R. MAYER MD,FAAP (NPI 1770507238) is an individual pediatrics provider in Freehold, New Jersey, licensed in New Jersey (25MA06239100) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770507238
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDIANA R. MAYERCredential: MD,FAAP
Location Address470 STILLWELLS CORNER RDFreehold, NJ 07728-2969
Mailing Address470 Stillwells Corner RdFreehold, NJ 07728-2969 · (732) 780-3333 · Fax (732) 780-6968
Phone(732) 780-3333
Fax(732) 780-6968
Sole ProprietorNo
Enumeration DateJuly 27, 2006
Last NPPES UpdateJanuary 13, 2011
✔ NPI 1770507238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NJ · 25MA06239100
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
470 STILLWELLS CORNER RD, Freehold, NJ 07728
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Other Identifiers 1

Medicaid7849109NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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 (PECOS)

Diana R. Mayer Md,faap is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Diana Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocare, LLC
41 mi
Pediatrics
401 ROUTE 73 N STE 320
Marlton, NJ 08053
  • Reassigned Medicare billing, New Jersey enrollment
  • 909 clinicians in this Medicare group
NPI 1770538696 (856) 872-7055

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07728 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.90 typical visit price
range $61.59 – $185.05
Typical copayment $23.72 (range $15.39 – $46.26)
Most-billed visit code 99203
Established Patient
$107.94 typical visit price
range $20.08 – $150.98
Typical copayment $26.98 (range $5.02 – $37.74)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PEDIATRIC HEALTH, PA
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333
SALVATORE SUSINO PA
Physician Assistant
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3633
CLAUDIO J. LOPEZ MD, FAAP
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333
DR. ANTHONY EMANUEL M.D.
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333
LEONARDO N. LOPEZ DO,FAAP
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333
JOSE R. LOPEZ MD,FAAP
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333
MARTA R. ZEB MD,FAAP
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333
ADVOCARE, LLC
Pediatrics
470 STILLWELLS CORNER RD
FREEHOLD, NJ 07728
Monmouth County (732) 780-3333

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 Diana Mayer's NPI number?

The NPI number for Diana Mayer is 1770507238. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Diana Mayer located?

Diana Mayer practices at 470 Stillwells Corner Rd, Freehold, NJ 07728. The listed phone number is (732) 780-3333.

What is Diana Mayer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Diana Mayer enrolled in Medicare?

Yes. Diana Mayer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Mayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Mayer reassigns Medicare benefits to Advocare, LLC (Marlton, 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 Diana Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Mayer accept?

Health plans from Oscar Health list Diana 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.

When was this NPI record last updated?

The NPPES record for Diana Mayer was last updated on January 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.