DR. FRED WALBRUN (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1306848700

Geriatric Medicine (Internal Medicine) Physician

DR. FRED WALBRUN (MD) is a healthcare provider. based in Green bay, Wisconsin. specializing in Geriatric Medicine (Internal Medicine) Physician. They hold the professional credentials MD. They hold a License No. 22566 (WI). The NPI Number for DR. FRED WALBRUN (MD) is 1306848700

Main info

Male

50 Years Of Experience

Accepts Medicare Assignment

Name

DR. FRED WALBRUN (MD)

NPI

1306848700

Phone

(920) 496-4700

Address

PO BOX 19070

Enumeration Date

15 August 2005

Last Update Date

15 September 2016

Doctor Profile

Medical School Name

GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE

Secondary Phone

9204964700

Graduation Year

1976 (50 years ago)

PAC ID

8123100856

Group Practice PAC ID

5799694675

Professional Enrollment ID

I20080201000596

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. FRED WALBRUN (MD)

PO box, Russell Road, Paoli, Tredyffrin Township, Chester County, Pennsylvania, 19301, United States
GREEN BAY, WI 543079070
Phone: (920) 496-4700
Type: Mailing
1715, Dousman Street, Green Bay, Brown County, Wisconsin, 54303, United States
GREEN BAY, WI 543033211
Phone: (920) 272-1570
Fax: (920) 431-1823
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 54307)

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Provider's Procedures

DR. FRED WALBRUN (MD) performs procedures in Geriatric Medicine (Internal Medicine) Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
GERIATRIC MEDICINE	WI	85610	Blood test, clotting time	102	15
GERIATRIC MEDICINE	WI	90670	Pneumococcal vaccine for injection into muscle	19	19

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 5799694675View full group profile

Name	Specialty	State
MARK ANDREW KACHAN (DPM)	P O D I A T R Y	WI
KAVITA CARLSON (LCSW)	-	WI
IRMA CATHERINE SMET (PHD)	-	WI
AMY M ROMANDINE KRATZ (MD)	Family Practice, Sports Medicine	WI
CHARLES LEWIS LEVY (MD)	-	OH
RESA MALLOY (PT)	Physical Therapist In Private Practice	WI
GRACE LORRAINE KALK (PA)	-	WI
MEGHAN E. HANSON (M.D.)	-	WI
FRANCIS J LEE (DO)	Internal Medicine, Hospitalist	WI
DR. DENNIS J BIELKE (MD)	-	WI

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. FRED WALBRUN (MD)?

DR. FRED WALBRUN (MD) — NPI 1306848700 — is the standard way to identify this listing.

Is DR. FRED WALBRUN (MD) listed as active for patients and plans?

The listing shows DR. FRED WALBRUN (MD) as active in the NPI system.

What is DR. FRED WALBRUN (MD)'s specialty?

The listing groups DR. FRED WALBRUN (MD) with Geriatric Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.

Where is DR. FRED WALBRUN (MD) based?

DR. FRED WALBRUN (MD) is tied to Green Bay, Wisconsin in the data we show; additional addresses may exist on the full record.

Why does DR. FRED WALBRUN (MD) have multiple addresses?

2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.