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DR. REBECCA M WILLIS MD
NPI 1871116814
Psychiatry & Neurology - Psychiatry in Southfield, MI

Active since May 26, 2020PECOS Enrolled
30503 GREENFIELD RD, SOUTHFIELD, MI 48076(248) 691-8156 Get Directions Write a Review

NPPES record last updated: October 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2025, Sep 8, 2025, Jun 20, 2023 and 1 more (4 updates tracked since 2020).

About Dr. Rebecca M Willis Md NPPES

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

DR. REBECCA M WILLIS MD (NPI 1871116814) is an individual psychiatry provider in Southfield, Michigan, licensed in Michigan (4301509665) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871116814
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. REBECCA M WILLISCredential: MD
Location Address30503 GREENFIELD RDSouthfield, MI 48076-1594
Mailing Address26901 Beaumont Blvd Ste 3dSouthfield, MI 48033-3849
Phone(248) 691-8156
Sole ProprietorNo
Enumeration DateMay 26, 2020
Last NPPES UpdateOctober 6, 20254 updates tracked since enumeration
NPPES CertifiedOctober 6, 2025
✔ NPI 1871116814 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in MI · 4301509665✔ Licensed in MI · 5315241886
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
30503 GREENFIELD RD, Southfield, MI 48076
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rebecca M Willis Md 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 Reassignment

Medicare enrollment records show Rebecca Willis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Beaumont Medical Group- Specialty Services
0.7 mi
Surgery
3601 W 13 MILE RD
Royal Oak, MI 48073
  • Reassigned Medicare billing, Michigan enrollment
  • 1,030 clinicians in this Medicare group
NPI 1578072906 (248) 898-5000

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 48076 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
$177.36 typical visit price
range $58.04 – $177.36
Typical copayment $44.34 (range $14.51 – $44.34)
Most-billed visit code 99205
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
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.

STEPHANIE BERG WRIGHT MS
Psychologist (Counseling)
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-4744
DR. RAVINDER SANDHU
Psychiatry & Neurology (Psychiatry)
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-8156
DR. STACY ELIZABETH GRINDLING PSY.D.
Psychologist
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-4744
STEFANI J HINES MD
Pediatrics (Developmental - Behavioral Pediatrics)
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-4744
JESSICA DANIELLE MARTIN MSW, LMSW
Social Worker (Clinical)
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-4744
BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES
Internal Medicine
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-8156
AMELIA AMIN PH.D., LP
Psychologist (Clinical)
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-4744
ANNA ANGELO BCBA
Behavior Analyst
30503 GREENFIELD RD
SOUTHFIELD, MI 48076
Oakland County (248) 691-4744

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 Willis's NPI number?

The NPI number for Rebecca Willis is 1871116814. It was assigned to this individual provider in the NPPES registry on May 26, 2020.

Where is Rebecca Willis located?

Rebecca Willis practices at 30503 Greenfield Rd, Southfield, MI 48076. The listed phone number is (248) 691-8156.

What is Rebecca Willis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Rebecca Willis enrolled in Medicare?

Yes. Rebecca Willis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rebecca Willis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Willis reassigns Medicare benefits to Beaumont Medical Group- Specialty Services (Royal Oak, MI). The 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 Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rebecca Willis 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 1 other insurer list Rebecca Willis 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 Rebecca Willis was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.