1. Home
  2. Directory
  3. Iowa
  4. Sheffield
  5. Chiropractor
  6. NPI Profile

DR. ANNA M. CLAUSEN D.C.
NPI 1194769372
Chiropractor in Sheffield, IA

Active since June 16, 2006Accepts Medicare Assignment
217 GILMAN ST., SHEFFIELD, IA 50475(641) 892-4008(641) 892-4662 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Anna M. Clausen D.c. NPPES

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

DR. ANNA M. CLAUSEN D.C. (NPI 1194769372) is an individual chiropractor in Sheffield, Iowa, licensed in Iowa (06499) and active in the NPI registry since June 2006. She is a graduate of Palmer College Chiropractic - Davenport (2002).

NPPES Registry Identity

NPI1194769372
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. ANNA M. CLAUSENCredential: D.C.
Location Address217 GILMAN ST.Sheffield, IA 50475-0520
Mailing Address217 Gilman St., P.o. Box 520Sheffield, IA 50475-0520 · (641) 892-4008 · Fax (641) 892-4662
Phone(641) 892-4008
Fax(641) 892-4662
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2002
Enumeration DateJune 16, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1194769372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IA · 06499
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
217 GILMAN ST., Sheffield, IA 50475
Open in Google Maps ↗

Other Identifiers 2

Medicaid1429720IA
Medicare PINI17894IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter 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 and accepts Medicare assignment

Dr. Anna M. Clausen D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577469428
PECOS Enrollment IDI20031210000948

Medicare Billing Reassignment

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

Mason City Chiropractic, Inc.
18 mi
Orthopedic
1314 4TH ST SW STE 112
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 2 clinicians in this Medicare group
NPI 1588855068 (641) 424-0992

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
641 services227 patients
Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
36 services19 patients

Other Providers at the Same Location NPPES

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

INNATE, INC.
Chiropractor
217 GILMAN ST.
SHEFFIELD, IA 50475
Franklin County (641) 892-4008

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 Anna Clausen's NPI number?

The NPI number for Anna Clausen is 1194769372. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Anna Clausen located?

Anna Clausen practices at 217 Gilman St., Sheffield, IA 50475. The listed phone number is (641) 892-4008.

What is Anna Clausen's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Anna Clausen enrolled in Medicare?

Yes. Anna Clausen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Anna Clausen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Clausen reassigns Medicare benefits to Mason City Chiropractic, Inc. (Mason City, IA). 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 Anna Clausen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anna Clausen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 1 other insurer list Anna Clausen 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 Anna Clausen was last updated on July 9, 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.