DR. KERI LYNN CREWSON M.D.
NPI 1003269234
Hospitalist in Aberdeen, SD
About Dr. Keri Lynn Crewson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KERI LYNN CREWSON M.D. (NPI 1003269234) is an individual hospitalist provider in Aberdeen, South Dakota, licensed in South Dakota (12322) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and maintains a secondary practice location in Great Falls.
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Keri Lynn Crewson M.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 Reassignments
6Medicare enrollment records show Keri Crewson reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aberdeen, SD 57401
- Reassigned Medicare billing, South Dakota and Minnesota enrollments
- Also billed through NPI 1437243607 (Minnesota)
- 422 clinicians in this Medicare group
Aberdeen, SD 57401
- Reassigned Medicare billing, South Dakota enrollment
- Medicare enrollment name: Avera St Lukes
- 259 clinicians in this Medicare group
Bismarck, ND 58504
- Reassigned Medicare billing, North Dakota enrollment
- 779 clinicians in this Medicare group
Kingsley, IA 51028
- Reassigned Medicare billing, Iowa enrollment
- 1,506 clinicians in this Medicare group
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 637 clinicians in this Medicare group
Missoula, MT 59804
- Reassigned Medicare billing, Montana enrollment
- 155 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Regional Medical Center
Acute Care Hospitals · Sioux City, IABenefis Hospitals Inc
Acute Care Hospitals · Great Falls, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57401 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 Keri Crewson's NPI number?
The NPI number for Keri Crewson is 1003269234. It was assigned to this individual provider in the NPPES registry on July 22, 2016.
Where is Keri Crewson located?
Keri Crewson practices at 3015 3rd Ave SE, Aberdeen, SD 57401. The listed phone number is (605) 226-5500.
What is Keri Crewson's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Keri Crewson enrolled in Medicare?
Yes. Keri Crewson 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 Keri Crewson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keri Crewson reassigns Medicare benefits to 6 organizations: Sanford Health Network (Aberdeen, SD), Avera St. Luke's (Aberdeen, SD), Sanford Bismarck (Bismarck, ND), Iowa Physicians Clinic Medical Foundation (Kingsley, IA), Benefis Hospitals, Inc. (Great Falls, MT) and 1 more organization, listed in the Medicare section above. 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 Keri Crewson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keri Crewson accept?
Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Montana, Oscar Insurance Company, Sanford Health Plan and Security Health Plan and 2 other insurers list Keri Crewson 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 Keri Crewson affiliated with any hospitals?
According to CMS data, Keri Crewson is affiliated with St Lukes Regional Medical Center and Benefis Hospitals Inc.
When was this NPI record last updated?
The NPPES record for Keri Crewson was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.