GARNETT CARLISLE SMITH MD
NPI 1801162144
Psychiatry & Neurology - Epilepsy
in Royal Oak, MI
About Garnett Carlisle Smith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARNETT CARLISLE SMITH MD (NPI 1801162144) is an individual epilepsy provider in Royal Oak, Michigan, licensed in Michigan (4301111760) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Ann Arbor, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2012).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Garnett Carlisle Smith 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.
Medicare Billing Reassignments
2Medicare enrollment records show Garnett Smith reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 1,030 clinicians in this Medicare group
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 2,377 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.
Other Providers at the Same Location NPPES
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 Garnett Smith's NPI number?
The NPI number for Garnett Smith is 1801162144. It was assigned to this individual provider in the NPPES registry on March 30, 2012.
Where is Garnett Smith located?
Garnett Smith practices at 3555 W 13 Mile Rd # N300, Royal Oak, MI 48073. The listed phone number is (248) 551-3302.
What is Garnett Smith's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.
Is Garnett Smith enrolled in Medicare?
Yes. Garnett Smith 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 Garnett Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Garnett Smith reassigns Medicare benefits to 2 organizations: Beaumont Medical Group- Specialty Services (Royal Oak, MI) and Regents Of The University Of Michigan (Ann Arbor, MI). 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 Garnett Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Garnett Smith 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 Garnett Smith 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 Garnett Smith 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 13 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.
# Garnett Carlisle Smith, MD · NPI 1801162144
Epilepsy physician in Royal Oak, Michigan. Individual provider, active in the CMS NPPES registry since March 30, 2012.
## Identity
- **NPI:** 1801162144 (Entity type: Individual)
- **Enumerated:** March 30, 2012
- **Primary specialty:** Psychiatry & Neurology - Epilepsy · taxonomy 2084E0001X
- **State license:** 4301111760 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3555 W 13 MILE RD # N300, Royal Oak, MI 48073-6710
- **Phone:** (248) 551-3302
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Beaumont Medical Group- Specialty Services (NPI 1578072906, Royal Oak, MI); Regents Of The University Of Michigan (NPI 1013352046, Ann Arbor, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2012
## Record status
- **NPPES last updated:** October 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801162144) · Data from the CMS NPPES public registry.