MS. TAMARA MARCELL MILLS FNP
NPI 1598477416
Nurse Practitioner - Family in Detroit, MI

Active since December 22, 2022PECOS Enrolled
4646 JOHN R ST, DETROIT, MI 48201(313) 576-1000 Get Directions Write a Review

NPPES record last updated: January 19, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Tamara Marcell Mills Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. TAMARA MARCELL MILLS FNP (NPI 1598477416) is an individual family provider in Detroit, Michigan, licensed in Michigan (4704245766) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598477416
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. TAMARA MARCELL MILLSCredential: FNP
Location Address4646 JOHN R STDetroit, MI 48201-1916
Mailing Address4646 John R StDetroit, MI 48201-1916 · (313) 576-1000
Sole ProprietorYes
Enumeration DateDecember 22, 2022
Last NPPES UpdateJanuary 19, 2024
NPPES CertifiedJanuary 19, 2024
✔ NPI 1598477416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704245766
Also ListedRegistered Nurse · Case ManagementTaxonomy 163WC0400X · License 4704245766 (MI)
4646 JOHN R ST, Detroit, MI 48201

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Tamara Marcell Mills Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Tamara Mills reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
41800 W 11 MILE RD STE 109
Novi, MI 48375
  • Reassigned Medicare billing, Michigan enrollment
  • 85 clinicians in this Medicare group
Internal Medicine
41800 W 11 MILE RD STE 109
Novi, MI 48375
  • Reassigned Medicare billing, Michigan enrollment
  • 383 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Michigan enrollment
  • 666 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Student in an Organized Health Care Education/Training Program
4646 JOHN R ST
DETROIT, MI 48201
Registered Nurse (Medical-Surgical)
4646 JOHN R ST
DETROIT, MI 48201
Registered Nurse (Gastroenterology)
4646 JOHN R ST
DETROIT, MI 48201
Registered Nurse
4646 JOHN R ST
DETROIT, MI 48201
Registered Nurse
4646 JOHN R ST
DETROIT, MI 48201
Registered Nurse
4646 JOHN R ST
DETROIT, MI 48201
Licensed Practical Nurse
4646 JOHN R ST
DETROIT, MI 48201
Religious Nonmedical Practitioner
4646 JOHN R ST
DETROIT, MI 48201

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 Tamara Mills's NPI number?

The NPI number for Tamara Mills is 1598477416. It was assigned to this individual provider in the NPPES registry on December 22, 2022.

Where is Tamara Mills located?

Tamara Mills practices at 4646 John R St, Detroit, MI 48201. The listed phone number is (313) 576-1000.

What is Tamara Mills's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Tamara Mills enrolled in Medicare?

Yes. Tamara Mills is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tamara Mills's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tamara Mills reassigns Medicare benefits to 3 organizations: Complexcare Medical Group Midwest M PLLC (Novi, MI), Theoria Medical (Novi, MI) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Tamara Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tamara Mills accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 4 other insurers list Tamara Mills 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.

When was this NPI record last updated?

The NPPES record for Tamara Mills was last updated on January 19, 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.