SONIA OTTEMAN KLEIN DNP-FNP
NPI 1922728237
Family Medicine in Saratoga, WY
About Sonia Otteman Klein Dnp-fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SONIA OTTEMAN KLEIN DNP-FNP (NPI 1922728237) is an individual family medicine provider in Saratoga, Wyoming, licensed in Wyoming (50740) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains a secondary practice location in Rawlins.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Sonia Otteman Klein Dnp-fnp 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 Sonia Klein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rawlins, WY 82301
- Reassigned Medicare billing, Wyoming enrollment
- 137 clinicians in this Medicare group
Buffalo, WY 82834
- Reassigned Medicare billing, Wyoming enrollment
- 4 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.
Billings Clinic
Acute Care Hospitals · Billings, MTJohnson County Healthcare Center
Critical Access Hospitals · Buffalo, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 82331 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sonia Klein's NPI number?
The NPI number for Sonia Klein is 1922728237. It was assigned to this individual provider in the NPPES registry on August 29, 2022.
Where is Sonia Klein located?
Sonia Klein practices at 1504 S River St, Saratoga, WY 82331. The listed phone number is (307) 326-3580.
What is Sonia Klein's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sonia Klein enrolled in Medicare?
Yes. Sonia Klein 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 Sonia Klein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Klein reassigns Medicare benefits to 2 organizations: Memorial Hospital Of Carbon County (Rawlins, WY) and Buffalo Urgent Care Inc (Buffalo, WY). 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 Sonia Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sonia Klein accept?
Health plans from Blue Cross Blue Shield of Wyoming list Sonia Klein 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 Sonia Klein affiliated with any hospitals?
According to CMS data, Sonia Klein is affiliated with Billings Clinic and Johnson County Healthcare Center.
When was this NPI record last updated?
The NPPES record for Sonia Klein was last updated on August 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Sonia Otteman Klein, DNP-FNP · NPI 1922728237
Family Medicine physician in Saratoga, Wyoming. Individual provider, active in the CMS NPPES registry since August 29, 2022.
## Identity
- **NPI:** 1922728237 (Entity type: Individual)
- **Enumerated:** August 29, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 50740 (Wyoming)
- **Sole proprietor:** No
## Practice location
- **Address:** 1504 S RIVER ST, Saratoga, WY 82331-5213
- **Phone:** (307) 326-3580
## 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): Memorial Hospital Of Carbon County (NPI 1710298757, Rawlins, WY); Buffalo Urgent Care Inc (NPI 1124662879, Buffalo, WY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 29, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1922728237) · Data from the CMS NPPES public registry.