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DR. LORIEN PATRICE SHACK MD
NPI 1164710406
Internal Medicine - Addiction Medicine in Ypsilanti, MI

Active since July 20, 2011PECOS EnrolledAccepts Medicare Assignment
5333 MCAULEY DR. SUITE 5011, YPSILANTI, MI 48197(734) 712-8700(734) 622-5017 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 10, 2024, Aug 28, 2023, Jul 5, 2023 and 1 more (4 updates tracked since 2019).

About Dr. Lorien Patrice Shack Md NPPES

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

DR. LORIEN PATRICE SHACK MD (NPI 1164710406) is an individual addiction medicine provider in Ypsilanti, Michigan, licensed in Michigan (4301099212) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with St Joe Mercy Hospital System Livonia, and is a graduate of Wayne State University School Of Medicine (2011).

NPPES Registry Identity

NPI1164710406
Entity TypeIndividualFemale
Primary Taxonomy207RA0401X
Provider Legal NameDR. LORIEN PATRICE SHACKCredential: MD
Location Address5333 MCAULEY DR. SUITE 5011Ypsilanti, MI 48197
Mailing Address24 Frank Lloyd Wright Dr Ste J2000Ann Arbor, MI 48105-9484 · (734) 747-6766 · Fax (734) 222-3100
Phone(734) 712-8700
Fax(734) 622-5017
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2011
Enumeration DateJuly 20, 2011
Last NPPES UpdateFebruary 24, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2026
✔ NPI 1164710406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License✔ Licensed in MI · 4301099212
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License 4301099212 (MI)
Also ListedGeneral PracticeTaxonomy 208D00000X · License 4301099212 (MI)
5333 MCAULEY DR. SUITE 5011, Ypsilanti, MI 48197
Open in Google Maps ↗

Other Names 1

Other Name (5)Lorien P Shack Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lorien Patrice Shack Md 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.

PECOS PAC ID1153785118
PECOS Enrollment IDI20240520001476
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joe Mercy Hospital System Livonia

Acute Care Hospitals · Livonia, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230002
Location36475 Five Mile RoadLivonia, MI 48154 · Wayne County
Emergency services Birthing friendly

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230156
Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SYED ALI MASUM RAZVI MD
Internal Medicine (Pulmonary Disease)
5333 MCAULEY DR. SUITE 5011
YPSILANTI, MI 48197
Washtenaw County (616) 267-8244

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 Lorien Shack's NPI number?

The NPI number for Lorien Shack is 1164710406. It was assigned to this individual provider in the NPPES registry on July 20, 2011. The provider is also known as Lorien P Shack MD.

Where is Lorien Shack located?

Lorien Shack practices at 5333 Mcauley Dr. Suite 5011, Ypsilanti, MI 48197. The listed phone number is (734) 712-8700.

What is Lorien Shack's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Lorien Shack enrolled in Medicare?

Yes. Lorien Shack 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.

What insurance does Lorien Shack accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Lorien Shack 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 Lorien Shack affiliated with any hospitals?

According to CMS data, Lorien Shack is affiliated with St Joe Mercy Hospital System Livonia and Trinity Health Ann Arbor Hospital.

When was this NPI record last updated?

The NPPES record for Lorien Shack was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.