LESLEY K OLSWING O.D.
NPI 1902069305
Optometrist in Ames, IA
About Lesley K Olswing O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLEY K OLSWING O.D. (NPI 1902069305) is an individual optometrist in Ames, Iowa, licensed in Iowa (08211) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and is a graduate of Southern College Of Optometry (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Lesley K Olswing O.d. 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 Reassignment
Medicare enrollment records show Lesley Olswing reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 331 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.
Physician 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AMES, IA 50010
AMES, IA 50010
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 Lesley Olswing's NPI number?
The NPI number for Lesley Olswing is 1902069305. It was assigned to this individual provider in the NPPES registry on July 7, 2008. The provider is also known as Lesley K Horan O.D..
Where is Lesley Olswing located?
Lesley Olswing practices at 3500 University Blvd Suite 1001, Ames, IA 50010. The listed phone number is (515) 239-3020.
What is Lesley Olswing's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Lesley Olswing enrolled in Medicare?
Yes. Lesley Olswing 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 Lesley Olswing's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Olswing reassigns Medicare benefits to Mcfarland Clinic PC (Ames, 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 Lesley Olswing's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lesley Olswing accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Oscar Health and 9 other insurers list Lesley Olswing 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 Lesley Olswing was last updated on January 13, 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.
# Lesley K Olswing, O.D. · NPI 1902069305
Optometrist provider in Ames, Iowa. Individual provider, active in the CMS NPPES registry since July 7, 2008.
## Identity
- **NPI:** 1902069305 (Entity type: Individual)
- **Enumerated:** July 7, 2008
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 08211 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 3500 UNIVERSITY BLVD, SUITE 1001, Ames, IA 50010-3014
- **Phone:** (515) 239-3020 · **Fax:** (515) 239-3025
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Mcfarland Clinic PC (NPI 1639135643, Ames, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern College Of Optometry, class of 2008
## Record status
- **NPPES last updated:** January 13, 2021
- **Other identifiers:** Medicaid 1902069305 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1902069305) · Data from the CMS NPPES public registry.