MARIEL DUCHOW
NPI 1750030151
Internal Medicine in Detroit, MI
About Mariel Duchow NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIEL DUCHOW (NPI 1750030151) is an individual internal medicine provider in Detroit, Michigan, licensed in Michigan (4301517932) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Henry Ford Health Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Mariel Duchow 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 Mariel Duchow reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Detroit, MI 48202
- Reassigned Medicare billing, Michigan enrollment
- 1,886 clinicians in this Medicare group
Clinton Twp, MI 48035
- Reassigned Medicare billing, Michigan enrollment
- 556 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Henry Ford Health Hospital
Acute Care Hospitals · Detroit, MIUniversity Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAHarborview Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48202 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.
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 Mariel Duchow's NPI number?
The NPI number for Mariel Duchow is 1750030151. It was assigned to this individual provider in the NPPES registry on March 22, 2022.
Where is Mariel Duchow located?
Mariel Duchow practices at 2799 W Grand Blvd, Detroit, MI 48202. The listed phone number is (313) 916-8144.
What is Mariel Duchow's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mariel Duchow enrolled in Medicare?
Yes. Mariel Duchow 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 Mariel Duchow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariel Duchow reassigns Medicare benefits to 3 organizations: Henry Ford Health System (Detroit, MI), Henry Ford Macomb Hospital Corporation (Clinton Twp, MI) and The Association Of University Physicians (Seattle, WA). 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 Mariel Duchow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariel Duchow accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Mariel Duchow 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 Mariel Duchow affiliated with any hospitals?
According to CMS data, Mariel Duchow is affiliated with Henry Ford Health Hospital, University Of Washington Medical Ctr and Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Mariel Duchow was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mariel Duchow · NPI 1750030151
Internal Medicine physician in Detroit, Michigan. Individual provider, active in the CMS NPPES registry since March 22, 2022.
## Identity
- **NPI:** 1750030151 (Entity type: Individual)
- **Enumerated:** March 22, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301517932 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2799 W GRAND BLVD, Detroit, MI 48202-2608
- **Phone:** (313) 916-8144 · **Fax:** (313) 916-4460
## 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): Henry Ford Health System (NPI 1003990318, Detroit, MI); Henry Ford Macomb Hospital Corporation (NPI 1134265986, Clinton Twp, MI); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750030151) · Data from the CMS NPPES public registry.