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WILLIAM N CALKINS M.D.
NPI 1508809658
General Practice in Westby, WI

Active since June 14, 2006PECOS Enrolled
100 MELBY ST, WESTBY, WI 54667(608) 637-4230(608) 637-4214 Get Directions Write a Review

NPPES record last updated: June 30, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William N Calkins M.d. NPPES

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

WILLIAM N CALKINS M.D. (NPI 1508809658) is an individual general practice provider in Westby, Wisconsin, licensed in Wisconsin (21970) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508809658
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameWILLIAM N CALKINSCredential: M.D.
Location Address100 MELBY STWestby, WI 54667
Mailing Address100 Melby StWestby, WI 54667 · (608) 637-4230 · Fax (608) 637-4214
Phone(608) 637-4230
Fax(608) 637-4214
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateJune 30, 2010
✔ NPI 1508809658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in WI · 21970
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
100 MELBY ST, Westby, WI 54667
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Other Identifiers 1

Medicare UPINB51924WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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 N Calkins 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 William Calkins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vernon Memorial Healthcare, Inc.
Same address
Rural Health
100 MELBY ST
Westby, WI 54667
  • Reassigned Medicare billing, Wisconsin enrollment
  • 49 clinicians in this Medicare group
NPI 1215933767 (608) 634-3126

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

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$35.00 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
3 suppliers15 claims1,950 services$0.06 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
3 suppliers14 claims14 services$20.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

VERNON MEMORIAL HEALTHCARE, INC.
Clinic/Center (Rural Health)
100 MELBY ST
WESTBY, WI 54667
Vernon County (608) 634-3126
BERNADETTE ADAMS FNP
Nurse Practitioner
100 MELBY ST
WESTBY, WI 54667
Vernon County (608) 634-3126
SHELLY ANN DILLON FNP-C
Nurse Practitioner
100 MELBY ST
WESTBY, WI 54667
Vernon County (608) 654-3126
JOANN FOUTS D.O.
Family Medicine
100 MELBY ST
WESTBY, WI 54667
Vernon County (608) 637-3126
DR. MERRY ANNA GAJEWSKI DDS
Dentist
100 MELBY ST
WESTBY, WI 54667
Vernon County (608) 634-3128

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 Calkins's NPI number?

The NPI number for William Calkins is 1508809658. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is William Calkins located?

William Calkins practices at 100 Melby St, Westby, WI 54667. The listed phone number is (608) 637-4230.

What is William Calkins's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is William Calkins enrolled in Medicare?

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

Which organization bills Medicare for William Calkins's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Calkins reassigns Medicare benefits to Vernon Memorial Healthcare, Inc. (Westby, 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 William Calkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Calkins accept?

Health plans from Anthem Blue Cross and Blue Shield list William Calkins 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 Calkins was last updated on June 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.