DR. GREGORY F SMITH MD
NPI 1497728414
Anesthesiology in Royal Oak, MI
About Dr. Gregory F Smith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY F SMITH MD (NPI 1497728414) is an individual anesthesiology provider in Royal Oak, Michigan, licensed in Michigan (4301047835) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Promedica Monroe Regional Hospital, and is a graduate of University Of Michigan Medical School (1983).
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Gregory F Smith Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Gregory Smith reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monroe, MI 48162
- Reassigned Medicare billing, Michigan enrollment
- 109 clinicians in this Medicare group
Toledo, OH 43604
- Reassigned Medicare billing, Michigan enrollment
- 123 clinicians in this Medicare group
Irving, TX 75038
- Reassigned Medicare billing, Michigan enrollment
- 905 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Promedica Monroe Regional Hospital
Acute Care Hospitals · Monroe, MIBeaumont Hospital, Troy
Acute Care Hospitals · Troy, MIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
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 Gregory Smith's NPI number?
The NPI number for Gregory Smith is 1497728414. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is Gregory Smith located?
Gregory Smith practices at 3601 W 13 Mile Rd Anesthesiology Dept, Royal Oak, MI 48073. The listed phone number is (248) 723-1635.
What is Gregory Smith's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregory Smith enrolled in Medicare?
Yes. Gregory Smith is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gregory Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Smith reassigns Medicare benefits to 3 organizations: Ambulatory Anesthesia Associates, PC (Monroe, MI), Promedica Central Corporation Of Michigan (Toledo, OH) and Northstar Anesthesia Of Michigan III PLLC (Irving, 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 Gregory Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Smith accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource and Priority Health list Gregory 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.
Is Gregory Smith affiliated with any hospitals?
According to CMS data, Gregory Smith is affiliated with Promedica Monroe Regional Hospital and Beaumont Hospital, Troy.
When was this NPI record last updated?
The NPPES record for Gregory Smith was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.