Marilyn Treadwell, CRNA
NPI 1356527212 · Certified Registered Nurse Anesthetist · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn Treadwell, CRNA is a Certified Registered Nurse Anesthetist provider in Ann Arbor, MI (NPI 1356527212).
Provider details
- NPI number
- 1356527212
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 4704225073 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-10
- Last updated
- 2019-01-14
Frequently asked questions
- What is Marilyn Treadwell's NPI number?
- Marilyn Treadwell's National Provider Identifier (NPI) is 1356527212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Treadwell's specialty?
- Marilyn Treadwell is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Treadwell located?
- Marilyn Treadwell's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48109-5048.
- What is Marilyn Treadwell's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Treadwell is (734) 936-4280.
- Does Marilyn Treadwell accept Medicare?
- Marilyn Treadwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilyn Treadwell's NPI active?
- Yes — Marilyn Treadwell's NPI (1356527212) is active in the NPPES registry as of the last update on 2019-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.