DR. CASSANDRA JEANNE TRAMMEL MD
NPI 1922504760
Obstetrics & Gynecology in Traverse City, MI
About Dr. Cassandra Jeanne Trammel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CASSANDRA JEANNE TRAMMEL MD (NPI 1922504760) is an individual obstetrics & gynecology provider in Traverse City, Michigan, licensed in Michigan (4301514638) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Cassandra Jeanne Trammel 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
3Medicare enrollment records show Cassandra Trammel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 492 clinicians in this Medicare group
Brighton, MI 48116
- Reassigned Medicare billing, Michigan enrollment
- 128 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 105 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49684 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cassandra Trammel's NPI number?
The NPI number for Cassandra Trammel is 1922504760. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Cassandra Trammel located?
Cassandra Trammel practices at 1221 Sixth St Ste 316, Traverse City, MI 49684. The listed phone number is (231) 392-8280.
What is Cassandra Trammel's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Cassandra Trammel enrolled in Medicare?
Yes. Cassandra Trammel 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 Cassandra Trammel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Trammel reassigns Medicare benefits to 3 organizations: Munson Medical Center (Traverse City, MI), Regents Of The University Of Michigan (Brighton, MI) and Washington University (Saint Louis, MO). 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 Cassandra Trammel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassandra Trammel accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Cassandra Trammel 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 Cassandra Trammel affiliated with any hospitals?
According to CMS data, Cassandra Trammel is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Cassandra Trammel was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Cassandra Jeanne Trammel, MD · NPI 1922504760
Obstetrics & Gynecology physician in Traverse City, Michigan. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1922504760 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4301514638 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 SIXTH ST STE 316, Traverse City, MI 49684-2361
- **Phone:** (231) 392-8280
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Munson Medical Center (NPI 1083761860, Traverse City, MI); Regents Of The University Of Michigan (NPI 1942235163, Brighton, MI); Washington University (NPI 1760422265, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** August 15, 2025
- **Other identifiers:** Medicaid 200108982 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1922504760) · Data from the CMS NPPES public registry.