DR. ANNA CHRISTINE MARK MD
NPI 1497249098
Family Medicine in Decorah, IA
About Dr. Anna Christine Mark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNA CHRISTINE MARK MD (NPI 1497249098) is an individual family medicine provider in Decorah, Iowa, licensed in Iowa (R-11122) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Regional Health Services Of Howard County, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted 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 Christine Mark Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Anna Mark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Decorah, IA 52101
- Reassigned Medicare billing, Iowa and Minnesota enrollments
- Also billed through NPI 1619922051 (Iowa), NPI 1093857393 (Minnesota)
- 170 clinicians in this Medicare group
Davenport, IA 52803
- Reassigned Medicare billing, Iowa enrollment
- 358 clinicians in this Medicare group
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 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Regional Health Services Of Howard County
Critical Access Hospitals · Cresco, IAWinnmed
Critical Access Hospitals · Decorah, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
DECORAH, IA 52101
DECORAH, IA 52101
DECORAH, IA 52101
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 Mark's NPI number?
The NPI number for Anna Mark is 1497249098. It was assigned to this individual provider in the NPPES registry on June 18, 2018.
Where is Anna Mark located?
Anna Mark practices at 901 Montgomery St, Decorah, IA 52101. The listed phone number is (563) 382-2911.
What is Anna Mark's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Anna Mark enrolled in Medicare?
Yes. Anna Mark 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 organizations bill Medicare for Anna Mark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Mark reassigns Medicare benefits to 2 organizations: Winneshiek Medical Center (Decorah, IA) and Genesis Health System (Davenport, IA). 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 Anna Mark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Mark accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Anna Mark 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.
Is Anna Mark affiliated with any hospitals?
According to CMS data, Anna Mark is affiliated with Regional Health Services Of Howard County and Winnmed.
When was this NPI record last updated?
The NPPES record for Anna Mark was last updated on August 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.