ALLISON SOKOL KEEL D.O.
NPI 1629411921
Internal Medicine in Grand Blanc, MI
About Allison Sokol Keel D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON SOKOL KEEL D.O. (NPI 1629411921) is an individual internal medicine provider in Grand Blanc, Michigan, licensed in Michigan (5315059142) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Edward W Sparrow Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Allison Sokol Keel D.o. 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 Allison Keel reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Okemos, MI 48864
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 104 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 115 clinicians in this Medicare group
Saint Johns, MI 48879
- Reassigned Medicare billing, Michigan enrollment
- 114 clinicians in this Medicare group
Portland, MI 48875
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1700820065 (Michigan)
- 317 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 124 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward W Sparrow Hospital
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 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 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
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 Allison Keel's NPI number?
The NPI number for Allison Keel is 1629411921. It was assigned to this individual provider in the NPPES registry on April 17, 2013. The provider is also known as Allison Kathleen Sokol.
Where is Allison Keel located?
Allison Keel practices at 1 Genesys Pkwy, Grand Blanc, MI 48439. The listed phone number is (810) 606-5126.
What is Allison Keel's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Allison Keel enrolled in Medicare?
Yes. Allison Keel 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 Allison Keel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Keel reassigns Medicare benefits to 6 organizations: Edward W. Sparrow Hospital Association (Okemos, MI), Sparrow Specialty Hospital (Lansing, MI), Vituity - Michigan Hospitalists PC (Lansing, MI), Sparrow Clinton Hospital (Saint Johns, MI), Sparrow Ionia Hospital (Portland, MI) 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 Allison Keel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Keel accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Allison Keel 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 Allison Keel affiliated with any hospitals?
According to CMS data, Allison Keel is affiliated with Edward W Sparrow Hospital.
When was this NPI record last updated?
The NPPES record for Allison Keel was last updated on March 1, 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.
# Allison Sokol Keel, D.O. · NPI 1629411921
Internal Medicine physician in Grand Blanc, Michigan. Individual provider, active in the CMS NPPES registry since April 17, 2013.
## Identity
- **NPI:** 1629411921 (Entity type: Individual)
- **Enumerated:** April 17, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 5315059142 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 GENESYS PKWY, Grand Blanc, MI 48439-8065
- **Phone:** (810) 606-5126
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Edward W. Sparrow Hospital Association (NPI 1437102357, Okemos, MI); Sparrow Specialty Hospital (NPI 1437655842, Lansing, MI); Vituity - Michigan Hospitalists PC (NPI 1487278156, Lansing, MI); Sparrow Clinton Hospital (NPI 1306893078, Saint Johns, MI); Sparrow Ionia Hospital (NPI 1295801108, Portland, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2013
## Record status
- **NPPES last updated:** March 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1629411921) · Data from the CMS NPPES public registry.