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WILLIAM F KOTTLER MD
NPI 1275642373
Pediatrics - Pediatric Pulmonology in Millburn, NJ

Active since August 30, 2006PECOS Enrolled
48 ESSEX ST, MILLBURN, NJ 07041(973) 218-0900(973) 218-0909 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William F Kottler Md NPPES

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

WILLIAM F KOTTLER MD (NPI 1275642373) is an individual pediatric pulmonology provider in Millburn, New Jersey, licensed in New Jersey (56008) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275642373
Entity TypeIndividualMale
Primary Taxonomy2080P0214X
Provider Legal NameWILLIAM F KOTTLERCredential: MD
Location Address48 ESSEX STMillburn, NJ 07041-1607
Mailing Address48 Essex StMillburn, NJ 07041-1607 · (973) 218-0900 · Fax (973) 218-0909
Phone(973) 218-0900
Fax(973) 218-0909
Sole ProprietorYes
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1275642373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License✔ Licensed in NJ · 56008
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
48 ESSEX ST, Millburn, NJ 07041
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Other Identifiers 2

Medicare UPINH38450NJ
Medicare ID-Type Unspecified048269NJ

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William F Kottler Md 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

2

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

Saint Peter's University Hospital
17 mi
Clinical
254 EASTON AVE, MANAGED CARE
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: Saint Peters University Hospital
  • 325 clinicians in this Medicare group
NPI 1376079590 (732) 565-5453
Saint Peter's Specialty Physicians, P.C.
45 mi
Gastroenterology
500 RIVER AVE STE 110
Lakewood, NJ 08701
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: Saint Peter's Specialty Physicians PC
  • 58 clinicians in this Medicare group
NPI 1861894982 (732) 339-7880

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

Other Providers at the Same Location NPPES

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

LAURA A LABRUNO APN
Nurse Practitioner (Pediatrics)
48 ESSEX ST
MILLBURN, NJ 07041
Essex County (973) 218-0900

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 William Kottler's NPI number?

The NPI number for William Kottler is 1275642373. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is William Kottler located?

William Kottler practices at 48 Essex St, Millburn, NJ 07041. The listed phone number is (973) 218-0900.

What is William Kottler's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is William Kottler enrolled in Medicare?

Yes. William Kottler is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Kottler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Kottler reassigns Medicare benefits to 2 organizations: Saint Peter's University Hospital (New Brunswick, NJ) and Saint Peter's Specialty Physicians, P.C. (Lakewood, 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 William Kottler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Kottler accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list William Kottler 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 William Kottler was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.