REBECCA ANNE OTTEN M.D.
NPI 1013355353
Emergency Medicine in Ann Arbor, MI
About Rebecca Anne Otten M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA ANNE OTTEN M.D. (NPI 1013355353) is an individual emergency medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301102621) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Munson Healthcare Grayling Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Rebecca Anne Otten 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
9Medicare enrollment records show Rebecca Otten reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chelsea, MI 48118
- Reassigned Medicare billing, Michigan enrollment
- 147 clinicians in this Medicare group
Livonia, MI 48154
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Epmg Of Michigan PC
- 175 clinicians in this Medicare group
Mc Bain, MI 49657
- Reassigned Medicare billing, Michigan enrollment
- 156 clinicians in this Medicare group
Cadillac, MI 49601
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Caberfae Emergency Group PC
- 92 clinicians in this Medicare group
Kalkaska, MI 49646
- Reassigned Medicare billing, Michigan enrollment
- 90 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Interlochen Emergency Group PC
- 60 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 59 clinicians in this Medicare group
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 45 clinicians in this Medicare group
Charlevoix, MI 49720
- Reassigned Medicare billing, Michigan enrollment
- 97 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Munson Healthcare Grayling Hospital
Acute Care Hospitals · Grayling, MIMunson Medical Center
Acute Care Hospitals · Traverse City, MIMunson Healthcare Otsego Memorial Hospital
Acute Care Hospitals · Gaylord, MIPaul Oliver Memorial Hospital
Critical Access Hospitals · Frankfort, MICharlevoix Area Hospital
Critical Access Hospitals · Charlevoix, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 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.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Rebecca Otten's NPI number?
The NPI number for Rebecca Otten is 1013355353. It was assigned to this individual provider in the NPPES registry on June 10, 2013.
Where is Rebecca Otten located?
Rebecca Otten practices at 1500 E. Medical Center Drive B1-380 Tc, Ann Arbor, MI 48109. The listed phone number is (734) 763-7919.
What is Rebecca Otten's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Rebecca Otten enrolled in Medicare?
Yes. Rebecca Otten 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 Rebecca Otten's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Otten reassigns Medicare benefits to 9 organizations: Chelsea Community Hospital (Chelsea, MI), Epmg Of Michigan, P.C. (Livonia, MI), Munson Healthcare Cadillac (Mc Bain, MI), Caberfae Emergency Group, P.C. (Cadillac, MI), Kalkaska Memorial Health Center (Kalkaska, MI) and 4 more organizations, 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 Rebecca Otten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Otten accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Rebecca Otten 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 Rebecca Otten affiliated with any hospitals?
According to CMS data, Rebecca Otten is affiliated with Munson Healthcare Grayling Hospital, Munson Medical Center, Munson Healthcare Otsego Memorial Hospital, Paul Oliver Memorial Hospital and Charlevoix Area Hospital.
When was this NPI record last updated?
The NPPES record for Rebecca Otten was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Rebecca Anne Otten, M.D. · NPI 1013355353
Emergency Medicine physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since June 10, 2013.
## Identity
- **NPI:** 1013355353 (Entity type: Individual)
- **Enumerated:** June 10, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301102621 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1500 E. MEDICAL CENTER DRIVE, B1-380 TC, Ann Arbor, MI 48109-5305
- **Phone:** (734) 763-7919 · **Fax:** (734) 763-9298
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Chelsea Community Hospital (NPI 1912947409, Chelsea, MI); Epmg Of Michigan, P.C. (NPI 1386688992, Livonia, MI); Munson Healthcare Cadillac (NPI 1336539063, Mc Bain, MI); Caberfae Emergency Group, P.C. (NPI 1447932504, Cadillac, MI); Kalkaska Memorial Health Center (NPI 1891980306, Kalkaska, MI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2013
## Record status
- **NPPES last updated:** September 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1013355353) · Data from the CMS NPPES public registry.