SAMUEL A WHITTIER MD
NPI 1952979957
Ophthalmology in Ames, IA
About Samuel A Whittier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL A WHITTIER MD (NPI 1952979957) is an individual ophthalmology provider in Ames, Iowa, licensed in Iowa (MD-53930) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Stewart Memorial Community Hospital, and is a graduate of University Of Utah School Of Medicine (2020).
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
Samuel A Whittier 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 Samuel Whittier 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
Lake City, IA 51449
- Reassigned Medicare billing, Iowa enrollment
- 19 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Stewart Memorial Community Hospital
Critical Access Hospitals · Lake City, 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 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 Samuel Whittier's NPI number?
The NPI number for Samuel Whittier is 1952979957. It was assigned to this individual provider in the NPPES registry on June 15, 2021.
Where is Samuel Whittier located?
Samuel Whittier practices at 2020 Philadelphia St, Ames, IA 50010. The listed phone number is (515) 232-2450.
What is Samuel Whittier's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Samuel Whittier enrolled in Medicare?
Yes. Samuel Whittier 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 Samuel Whittier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Whittier reassigns Medicare benefits to 2 organizations: Wolfe Clinic Inc (Marshalltown, IA) and Stewart Memorial Community Hospital (Lake City, 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 Samuel Whittier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Whittier accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 2 other insurers list Samuel Whittier 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 Samuel Whittier affiliated with any hospitals?
According to CMS data, Samuel Whittier is affiliated with Stewart Memorial Community Hospital and Boone County Hospital.
When was this NPI record last updated?
The NPPES record for Samuel Whittier was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Samuel A Whittier, MD · NPI 1952979957
Ophthalmology physician in Ames, Iowa. Individual provider, active in the CMS NPPES registry since June 15, 2021.
## Identity
- **NPI:** 1952979957 (Entity type: Individual)
- **Enumerated:** June 15, 2021
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** MD-53930 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 2020 PHILADELPHIA ST, Ames, IA 50010-8772
- **Phone:** (515) 232-2450
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Wolfe Clinic Inc (NPI 1477532174, Marshalltown, IA); Stewart Memorial Community Hospital (NPI 1063497188, Lake City, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1952979957) · Data from the CMS NPPES public registry.