STUART DAVID CHRISTENSON MD
NPI 1336112499
Internal Medicine - Cardiovascular Disease in Ames, IA
About Stuart David Christenson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STUART DAVID CHRISTENSON MD (NPI 1336112499) is an individual cardiovascular disease provider in Ames, Iowa, licensed in Iowa (43881) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Mary Greeley Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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
Stuart David Christenson 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
5Medicare enrollment records show Stuart Christenson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 42 clinicians in this Medicare group
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 331 clinicians in this Medicare group
Nevada, IA 50201
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1215054713 (Iowa)
- 30 clinicians in this Medicare group
Clarion, IA 50525
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1821045451 (Iowa)
- 166 clinicians in this Medicare group
Belmond, IA 50421
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1821122623 (Iowa)
- 192 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 53
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Greeley Medical Center
Acute Care Hospitals · Ames, IAIowa Specialty Hospital - Clarion
Critical Access Hospitals · Clarion, IAGreene County Medical Center
Critical Access Hospitals · Jefferson, IAStory County Hospital
Critical Access Hospitals · Nevada, IABoone County Hospital
Critical Access Hospitals · Boone, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Stuart Christenson's NPI number?
The NPI number for Stuart Christenson is 1336112499. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is Stuart Christenson located?
Stuart Christenson practices at 1111 Duff Ave, Ames, IA 50010. The listed phone number is (515) 239-4472.
What is Stuart Christenson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Stuart Christenson enrolled in Medicare?
Yes. Stuart Christenson 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 Stuart Christenson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stuart Christenson reassigns Medicare benefits to 5 organizations: Mary Greeley Medical Center (Ames, IA), Mcfarland Clinic PC (Ames, IA), Story County Hospital (Nevada, IA), Iowa Specialty Hospital- Clarion (Clarion, IA) and Belmond Community Hospital (Belmond, 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 Stuart Christenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stuart Christenson accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Stuart Christenson 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 Stuart Christenson affiliated with any hospitals?
According to CMS data, Stuart Christenson is affiliated with Mary Greeley Medical Center, Iowa Specialty Hospital - Clarion, Greene County Medical Center, Story County Hospital and Boone County Hospital.
When was this NPI record last updated?
The NPPES record for Stuart Christenson was last updated on September 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.