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LILY ELIZABETH GATES MSW
NPI 1558952630
Social Worker in Ann Arbor, MI

Active since February 01, 2021PECOS Enrolled
1500 E MEDICAL CENTER DR, ANN ARBOR, MI 48109(734) 936-4000 Get Directions Write a Review

NPPES record last updated: April 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 7, 2023, Aug 27, 2021, Feb 1, 2021 (3 updates tracked since 2021).

About Lily Elizabeth Gates Msw NPPES

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

LILY ELIZABETH GATES MSW (NPI 1558952630) is an individual social worker in Ann Arbor, Michigan, licensed in Michigan (6851114120) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1558952630
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameLILY ELIZABETH GATESCredential: MSW
Location Address1500 E MEDICAL CENTER DRAnn Arbor, MI 48109-5000
Mailing Address1500 E Medical Center DrAnn Arbor, MI 48109-5000 · (734) 936-4000
Phone(734) 936-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 1, 2021
Last NPPES UpdateApril 7, 20233 updates tracked since enumeration
NPPES CertifiedApril 7, 2023
✔ NPI 1558952630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MI · 6851114120
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lily Elizabeth Gates Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931670940
PECOS Enrollment IDI20260609004728
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 Lily Gates reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
1,994 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

LOKMAN SUNG MD
Pathology (Forensic Pathology)
1500 E MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY
ANN ARBOR, MI 48109
Washtenaw County (800) 862-7284
SAMEER DEV SAINI M.D.
Internal Medicine (Gastroenterology)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
KYLE DAVID PERRY MD
Pathology (Cytopathology)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
DR. DAVID ALEXANDER STEWART M.D.
Pediatrics
1500 E MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL ROOM 525
ANN ARBOR, MI 48109
Washtenaw County (734) 763-5302
DR. MICHAEL EDMUND WATSON MD
Pediatrics (Pediatric Infectious Diseases)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
CARRIE KRAEGER PORTER PA-C
Physician Assistant
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-6666
DENISE LYNN BERRY CRNA
Nurse Anesthetist, Certified Registered
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
KETTI SOPHIA PETERSEN MD
Family Medicine (Hospice and Palliative Medicine)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000

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 Lily Gates's NPI number?

The NPI number for Lily Gates is 1558952630. It was assigned to this individual provider in the NPPES registry on February 1, 2021.

Where is Lily Gates located?

Lily Gates practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.

What is Lily Gates's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Lily Gates enrolled in Medicare?

Yes. Lily Gates is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lily Gates's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lily Gates reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Lily Gates's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lily Gates was last updated on April 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.