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CATHERINE ANNE LONG M.D.
NPI 1306019138
Pediatrics - Pediatric Hematology-Oncology in Green Bay, WI

Active since April 13, 2008PECOS Enrolled
835 S VAN BUREN ST, GREEN BAY, WI 54301(920) 498-4200 Get Directions Write a Review

NPPES record last updated: June 11, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Catherine Anne Long M.d. NPPES

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

CATHERINE ANNE LONG M.D. (NPI 1306019138) is an individual pediatric hematology-oncology provider in Green Bay, Wisconsin, licensed in Wisconsin (54052-20) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306019138
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameCATHERINE ANNE LONGCredential: M.D.
Location Address835 S VAN BUREN STGreen Bay, WI 54301-3526
Mailing Address835 S Van Buren StGreen Bay, WI 54301-3526 · (920) 498-4200
Phone(920) 498-4200
Sole ProprietorNo
Enumeration DateApril 13, 2008
Last NPPES UpdateJune 11, 2015
✔ NPI 1306019138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in WI · 54052-20
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License 54052-20 (WI)
Also ListedPediatricsTaxonomy 208000000X · License 54052-20 (WI)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
835 S VAN BUREN ST, Green Bay, WI 54301
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Catherine Anne Long 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 Reassignment

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

St Vincent Hospital-Hospital Sisters-Third Order Of St Francis
Same address
Gynecologic Oncology
835 S VAN BUREN ST
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1689694911 (Wisconsin), NPI 1285613638 (Wisconsin)
  • 4 clinicians in this Medicare group
NPI 1316991169 (920) 433-8287

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 20

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

MARY LYNN BARTEL MD
Pediatrics
835 S VAN BUREN ST, ROOM 1041
GREEN BAY, WI 54301
Brown County (920) 496-4700
DR. EKMINI WIJESINGHE MD
Hospitalist
835 S VAN BUREN ST, ST VINCENT HOSPITAL
GREEN BAY, WI 54301
Brown County (920) 272-1586
SALLY SCHLISE MD
Radiology (Radiation Oncology)
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-8184
GREEN BAY ANESTHESIA ASSOC. SC
Anesthesiology
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-0111
LEE JAMES KLEMENS MD
Internal Medicine
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 496-4700
DR. REGINALD E JULIEN M.D.
Anesthesiology
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-0111
ASHLEY M SPINDLER PA
Physician Assistant
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 496-4700
DR. CHARLES F DAIS II M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
835 S VAN BUREN ST
GREEN BAY, WI 54301
Brown County (920) 433-8047

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 Catherine Long's NPI number?

The NPI number for Catherine Long is 1306019138. It was assigned to this individual provider in the NPPES registry on April 13, 2008.

Where is Catherine Long located?

Catherine Long practices at 835 S Van Buren St, Green Bay, WI 54301. The listed phone number is (920) 498-4200.

What is Catherine Long's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Catherine Long enrolled in Medicare?

Yes. Catherine Long is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Long's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Long reassigns Medicare benefits to St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (Green Bay, WI). 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 Catherine Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Long accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and Security Health Plan list Catherine Long 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 Catherine Long was last updated on June 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.