ALYSON MARYANN GREENWELL MD
NPI 1831548221
Pediatrics in Farmington, MI
About Alyson Maryann Greenwell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSON MARYANN GREENWELL MD (NPI 1831548221) is an individual pediatrics provider in Farmington, Michigan, licensed in Michigan (4301118931) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Farmington Hills.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Alyson Maryann Greenwell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alyson Greenwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Farmington, MI 48336
- Reassigned Medicare billing, Michigan enrollment
- 10 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48336 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, MI 48336
FARMINGTON HILLS, MI 48336
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 Alyson Greenwell's NPI number?
The NPI number for Alyson Greenwell is 1831548221. It was assigned to this individual provider in the NPPES registry on June 7, 2016.
Where is Alyson Greenwell located?
Alyson Greenwell practices at 23133 Orchard Lake Rd Ste 100, Farmington, MI 48336. The listed phone number is (248) 477-0100.
What is Alyson Greenwell's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Alyson Greenwell enrolled in Medicare?
Yes. Alyson Greenwell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alyson Greenwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyson Greenwell reassigns Medicare benefits to Botsford General Hospital (Farmington, 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 Alyson Greenwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyson Greenwell 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 Alyson Greenwell 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 Alyson Greenwell was last updated on July 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.