STEVEN O ANDERSON MD
NPI 1942288717
Ophthalmology in Ames, IA
About Steven O Anderson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN O ANDERSON MD (NPI 1942288717) is an individual ophthalmology provider in Ames, Iowa, licensed in Iowa (45326) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Steven O Anderson 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 Steven Anderson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshalltown, IA 50158
- Reassigned Medicare billing, Iowa enrollment
- 39 clinicians in this Medicare group
Mankato, MN 56001
- Reassigned Medicare billing, Minnesota enrollment
- 6 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 19
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.
Trinity Regional Medical Center
Acute Care Hospitals · Fort Dodge, IAFranklin General Hospital
Critical Access Hospitals · Hampton, IAStory County Hospital
Critical Access Hospitals · Nevada, IAVan Diest Medical Center
Critical Access Hospitals · Webster City, IAHansen Family Hospital
Critical Access Hospitals · Iowa Falls, 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.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
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 Steven Anderson's NPI number?
The NPI number for Steven Anderson is 1942288717. It was assigned to this individual provider in the NPPES registry on January 3, 2006.
Where is Steven Anderson located?
Steven Anderson practices at 2020 Philadelphia St, Ames, IA 50010. The listed phone number is (515) 232-2450.
What is Steven Anderson's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Steven Anderson enrolled in Medicare?
Yes. Steven Anderson 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 Steven Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Anderson reassigns Medicare benefits to 2 organizations: Wolfe Clinic Inc (Marshalltown, IA) and Ophthalmology Associates Of Mankato PA (Mankato, MN). 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 Steven Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Anderson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Anthem Blue Cross and Blue Shield and 6 other insurers list Steven Anderson 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 Steven Anderson affiliated with any hospitals?
According to CMS data, Steven Anderson is affiliated with Trinity Regional Medical Center, Franklin General Hospital, Story County Hospital, Van Diest Medical Center and Hansen Family Hospital.
When was this NPI record last updated?
The NPPES record for Steven Anderson was last updated on July 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.