DR. NATHAN CHARLES BAHR M.D.
NPI 1609006048
Internal Medicine - Infectious Disease in Minneapolis, MN
About Dr. Nathan Charles Bahr M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHAN CHARLES BAHR M.D. (NPI 1609006048) is an individual infectious disease provider in Minneapolis, Minnesota, licensed in Minnesota (54344) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
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. Nathan Charles Bahr 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
5Medicare enrollment records show Nathan Bahr reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55414
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 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
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.
M Health Fairview University Of Mn
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55455 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
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 Nathan Bahr's NPI number?
The NPI number for Nathan Bahr is 1609006048. It was assigned to this individual provider in the NPPES registry on July 20, 2009.
Where is Nathan Bahr located?
Nathan Bahr practices at 420 Delaware St SE, Minneapolis, MN 55455. The listed phone number is (612) 624-9996.
What is Nathan Bahr's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Nathan Bahr enrolled in Medicare?
Yes. Nathan Bahr 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 Nathan Bahr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Bahr reassigns Medicare benefits to 5 organizations: University Of Minnesota Physicians (Minneapolis, MN), Fairview Express Care (Minneapolis, MN), University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN), Fairview Specialty Services (Minneapolis, MN) and Healtheast Medical Research Institute (Saint Paul, MN). 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 Nathan Bahr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathan Bahr accept?
Health plans from Oscar Insurance Company list Nathan Bahr 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 Nathan Bahr affiliated with any hospitals?
According to CMS data, Nathan Bahr is affiliated with M Health Fairview University Of Mn.
When was this NPI record last updated?
The NPPES record for Nathan Bahr was last updated on March 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Nathan Charles Bahr, M.D. · NPI 1609006048
Infectious Disease physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since July 20, 2009.
## Identity
- **NPI:** 1609006048 (Entity type: Individual)
- **Enumerated:** July 20, 2009
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 54344 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 DELAWARE ST SE, Minneapolis, MN 55455-0341
- **Phone:** (612) 624-9996
## 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): University Of Minnesota Physicians (NPI 1477598118, Minneapolis, MN); Fairview Express Care (NPI 1629224258, Minneapolis, MN); University Of Minnesota Health Clinics And Surgery Center Inc (NPI 1003485004, Minneapolis, MN); Fairview Specialty Services (NPI 1043199334, Minneapolis, MN); Healtheast Medical Research Institute (NPI 1508191552, Saint Paul, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 7, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1609006048) · Data from the CMS NPPES public registry.