THOMAS A OLEN D.O.
NPI 1669497723
Anesthesiology in Midland, MI
About Thomas A Olen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS A OLEN D.O. (NPI 1669497723) is an individual anesthesiology provider in Midland, Michigan, licensed in Michigan (5101011629) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Munson Medical Center, and is a graduate of Michigan State University College Of Osteopathic Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Thomas A Olen 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
5Medicare enrollment records show Thomas Olen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 35 clinicians in this Medicare group
Mc Bain, MI 49657
- Reassigned Medicare billing, Michigan enrollment
- 168 clinicians in this Medicare group
Traverse City, MI 49686
- Reassigned Medicare billing, Michigan enrollment
- 191 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 23 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 74 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.
Munson Medical Center
Acute Care Hospitals · Traverse City, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MIDLAND, MI 48670
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 Thomas Olen's NPI number?
The NPI number for Thomas Olen is 1669497723. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is Thomas Olen located?
Thomas Olen practices at 4005 Orchard Dr, Midland, MI 48670. The listed phone number is (989) 839-3606.
What is Thomas Olen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Thomas Olen enrolled in Medicare?
Yes. Thomas Olen 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 Thomas Olen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Olen reassigns Medicare benefits to 5 organizations: Mid Michigan Anesthesiology Group, PC (Midland, MI), Munson Healthcare Otsego Memorial Hospital (Mc Bain, MI), Munson Medical Group (Traverse City, MI), Apollo Medical Group Of Traverse City PLLC (Traverse City, MI) and Munson Medical Center (Traverse City, MI). 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 Thomas Olen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Olen affiliated with any hospitals?
According to CMS data, Thomas Olen is affiliated with Munson Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Olen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Thomas A Olen, D.O. · NPI 1669497723
Anesthesiology physician in Midland, Michigan. Individual provider, active in the CMS NPPES registry since July 12, 2006.
## Identity
- **NPI:** 1669497723 (Entity type: Individual)
- **Enumerated:** July 12, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 5101011629 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4005 ORCHARD DR, Midland, MI 48670-0001
- **Phone:** (989) 839-3606 · **Fax:** (989) 839-1509
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mid Michigan Anesthesiology Group, PC (NPI 1932131349, Midland, MI); Munson Healthcare Otsego Memorial Hospital (NPI 1043778194, Mc Bain, MI); Munson Medical Group (NPI 1154104842, Traverse City, MI); Apollo Medical Group Of Traverse City PLLC (NPI 1467093153, Traverse City, MI); Munson Medical Center (NPI 1710735287, Traverse City, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 1992
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Other 5674130 (MI); Medicare UPIN G37581 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1669497723) · Data from the CMS NPPES public registry.