KAREN DENBESTEN MD
NPI 1245226323
Internal Medicine - Infectious Disease in Petoskey, MI
About Karen Denbesten Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN DENBESTEN MD (NPI 1245226323) is an individual infectious disease provider in Petoskey, Michigan, licensed in Michigan (4301091715) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Mclaren Central Michigan, and is a graduate of Ohio State University College Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Karen Denbesten Md 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 Karen Denbesten reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 149 clinicians in this Medicare group
Mt Pleasant, MI 48858
- Reassigned Medicare billing, Michigan enrollment
- 321 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 2
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Central Michigan
Acute Care Hospitals · Mount Pleasant, MIMclaren Northern Michigan
Acute Care Hospitals · Petoskey, MIMunson Healthcare Otsego Memorial Hospital
Acute Care Hospitals · Gaylord, MIChippewa County War Memorial Hospital
Acute Care Hospitals · Sault Sainte Marie, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49770 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.
PETOSKEY, MI 49770
PETOSKEY, MI 49770
PETOSKEY, MI 49770
PETOSKEY, MI 49770
PETOSKEY, MI 49770
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 Karen Denbesten's NPI number?
The NPI number for Karen Denbesten is 1245226323. It was assigned to this individual provider in the NPPES registry on September 23, 2005.
Where is Karen Denbesten located?
Karen Denbesten practices at 560 W Mitchell St Suite 170, Petoskey, MI 49770. The listed phone number is (231) 487-3590.
What is Karen Denbesten's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Karen Denbesten enrolled in Medicare?
Yes. Karen Denbesten 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 Karen Denbesten's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Denbesten reassigns Medicare benefits to 2 organizations: Mclaren Northern Michigan (Petoskey, MI) and Mclaren Central Michigan (Mt Pleasant, 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 Karen Denbesten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Denbesten accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Karen Denbesten 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 Karen Denbesten affiliated with any hospitals?
According to CMS data, Karen Denbesten is affiliated with Mclaren Central Michigan, Mclaren Northern Michigan, Munson Healthcare Otsego Memorial Hospital and Chippewa County War Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Karen Denbesten was last updated on January 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Karen Denbesten, MD · NPI 1245226323
Infectious Disease physician in Petoskey, Michigan. Individual provider, active in the CMS NPPES registry since September 23, 2005.
## Identity
- **NPI:** 1245226323 (Entity type: Individual)
- **Enumerated:** September 23, 2005
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 4301091715 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 560 W MITCHELL ST, SUITE 170, Petoskey, MI 49770-2275
- **Phone:** (231) 487-3590 · **Fax:** (231) 487-3579
## 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): Mclaren Northern Michigan (NPI 1760736094, Petoskey, MI); Mclaren Central Michigan (NPI 1245266063, Mt Pleasant, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1995
## Record status
- **NPPES last updated:** January 24, 2015
- **Other identifiers:** Other KD091715 (MI); Medicare PIN N56640013 (MI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1245226323) · Data from the CMS NPPES public registry.