DR. JOANN ALFONZO M.D.
NPI 1316990310
Pediatrics in Freehold, NJ

Q: What is Joann Alfonzo's NPI number?

The NPI number for Joann Alfonzo is 1316990310. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Q: What is Joann Alfonzo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Joann Alfonzo was last updated on June 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since May 18, 2006PECOS Enrolled

69 W MAIN ST, FREEHOLD, NJ 07728(732) 409-3633(732) 409-7133 Get Directions Write a Review

NPPES record last updated: June 9, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Joann Alfonzo M.d. NPPES

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

DR. JOANN ALFONZO M.D. (NPI 1316990310) is an individual pediatrics provider in Freehold, New Jersey, licensed in New Jersey (MA06575700) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316990310

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. JOANN ALFONZOCredential: M.D.

Location Address69 W MAIN STFreehold, NJ 07728-2114

Mailing Address69 W Main StFreehold, NJ 07728-2114 · (732) 409-3633 · Fax (732) 409-7133

Phone(732) 409-3633

Fax(732) 409-7133

Sole ProprietorNo

Enumeration DateMay 18, 2006

Last NPPES UpdateJune 9, 2016

✔ NPI 1316990310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in NJ · MA06575700

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.

69 W MAIN ST, Freehold, NJ 07728

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Other Identifiers 1

Medicaid9070508NJ

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)

Dr. Joann Alfonzo M.d. 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 Reassignments

Medicare enrollment records show Joann Alfonzo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rutgers Health-Rwj Primary Medicine Group

19 mi

Internal Medicine

1 ROBERT WOOD JOHNSON PL
New Brunswick, NJ 08901

Reassigned Medicare billing, New Jersey enrollment
125 clinicians in this Medicare group

NPI 1659475283 (732) 828-3000

Children's Specialized Hospital

19 mi

Children

200 SOMERSET ST
New Brunswick, NJ 08901

Reassigned Medicare billing, New Jersey enrollment
127 clinicians in this Medicare group

NPI 1396886297 (732) 258-7000

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 3

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

PEDIATRIC HEALTH, PA

Pediatrics

69 W MAIN ST
FREEHOLD, NJ 07728

Monmouth County (732) 409-3633

DR. KATHLEEN AMY SWAYNE MD

Pediatrics

69 W MAIN ST
FREEHOLD, NJ 07728

Monmouth County (732) 409-3633

CAROLINE YOUSSEF MD

Pediatrics

69 W MAIN ST
FREEHOLD, NJ 07728

Monmouth County (732) 409-3633

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 Joann Alfonzo's NPI number?

The NPI number for Joann Alfonzo is 1316990310. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Joann Alfonzo located?

Joann Alfonzo practices at 69 W Main St, Freehold, NJ 07728. The listed phone number is (732) 409-3633.

What is Joann Alfonzo's specialty?

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

Is Joann Alfonzo enrolled in Medicare?

Yes. Joann Alfonzo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joann Alfonzo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joann Alfonzo reassigns Medicare benefits to 2 organizations: Rutgers Health-Rwj Primary Medicine Group (New Brunswick, NJ) and Children's Specialized Hospital (New Brunswick, NJ). Each 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 Joann Alfonzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joann Alfonzo accept?

Health plans from Oscar Health list Joann Alfonzo 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 Joann Alfonzo was last updated on June 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.