DR. ALAN FREDERICK KEOHANE RILEY MD
NPI 1447435672
Pediatrics - Pediatric Cardiology in Scarborough, ME
About Dr. Alan Frederick Keohane Riley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN FREDERICK KEOHANE RILEY MD (NPI 1447435672) is an individual pediatric cardiology provider in Scarborough, Maine, licensed in Maine (MD28177) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Dr. Alan Frederick Keohane Riley 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
5Medicare enrollment records show Alan Riley reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04103
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1922791417 (Maine)
- 3,140 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
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 Alan Riley's NPI number?
The NPI number for Alan Riley is 1447435672. It was assigned to this individual provider in the NPPES registry on January 7, 2008.
Where is Alan Riley located?
Alan Riley practices at 71 Us Route 1 Ste C, Scarborough, ME 04074. The listed phone number is (207) 883-5532.
What is Alan Riley's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Alan Riley enrolled in Medicare?
Yes. Alan Riley 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 Alan Riley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Riley reassigns Medicare benefits to 5 organizations: Mainehealth (Portland, ME), St. Mary's Regional Medical Center (Lewiston, ME), Mainegeneral Medical Center (Augusta, ME), Baylor College Of Medicine (Houston, TX) and Texas Children's Physician Group (Houston, 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 Alan Riley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alan Riley accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Moda Health Plan, Inc., Oscar Insurance Company and Taro Health list Alan Riley 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 Alan Riley was last updated on September 22, 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.
# Dr. Alan Frederick Keohane Riley, MD · NPI 1447435672
Pediatric Cardiology physician in Scarborough, Maine. Individual provider, active in the CMS NPPES registry since January 7, 2008.
## Identity
- **NPI:** 1447435672 (Entity type: Individual)
- **Enumerated:** January 7, 2008
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** MD28177 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 71 US ROUTE 1 STE C, Scarborough, ME 04074-7174
- **Phone:** (207) 883-5532
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1649577768, Portland, ME); St. Mary's Regional Medical Center (NPI 1447226584, Lewiston, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME); Baylor College Of Medicine (NPI 1053352914, Houston, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** September 22, 2025
- **Other identifiers:** Medicaid 319689107 (MDACC) (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1447435672) · Data from the CMS NPPES public registry.