ALISTAIR J MACNEIL MD
NPI 1366559171
Emergency Medicine in Largo, FL
About Alistair J Macneil Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISTAIR J MACNEIL MD (NPI 1366559171) is an individual emergency medicine provider in Largo, Florida, licensed in Florida (ME96459) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mease Countryside Hospital, and is a graduate of Wayne State University School Of Medicine (2003).
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 and accepts Medicare assignment
Alistair J Macneil 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 Reassignment
Medicare enrollment records show Alistair Macneil reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dunedin, FL 34698
- Reassigned Medicare billing, Florida enrollment
- 28 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mease Countryside Hospital
Acute Care Hospitals · Safety Harbor, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33770 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LARGO, FL 33770
LARGO, FL 33770
LARGO, FL 33770
LARGO, FL 33770
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 Alistair Macneil's NPI number?
The NPI number for Alistair Macneil is 1366559171. It was assigned to this individual provider in the NPPES registry on August 25, 2006.
Where is Alistair Macneil located?
Alistair Macneil practices at 201 14th St SW, Largo, FL 33770. The listed phone number is (727) 588-5222.
What is Alistair Macneil's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alistair Macneil enrolled in Medicare?
Yes. Alistair Macneil 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 organization bills Medicare for Alistair Macneil's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alistair Macneil reassigns Medicare benefits to Coastline Emergency Physicians LLC (Dunedin, FL). 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 Alistair Macneil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alistair Macneil accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Alistair Macneil 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 Alistair Macneil affiliated with any hospitals?
According to CMS data, Alistair Macneil is affiliated with Mease Countryside Hospital.
When was this NPI record last updated?
The NPPES record for Alistair Macneil was last updated on November 8, 2022. 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.
# Alistair J Macneil, MD · NPI 1366559171
Emergency Medicine physician in Largo, Florida. Individual provider, active in the CMS NPPES registry since August 25, 2006.
## Identity
- **NPI:** 1366559171 (Entity type: Individual)
- **Enumerated:** August 25, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** ME96459 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 14TH ST SW, Largo, FL 33770-3133
- **Phone:** (727) 588-5222 · **Fax:** (727) 588-5458
## 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:** Coastline Emergency Physicians LLC (NPI 1891744769, Dunedin, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** November 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1366559171) · Data from the CMS NPPES public registry.