HEIDI M LARSON MD
NPI 1780799437
Family Medicine in Auburn, ME
About Heidi M Larson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEIDI M LARSON MD (NPI 1780799437) is an individual family medicine provider in Auburn, Maine, licensed in Maine (MD14388) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Heidi M Larson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Heidi Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, ME 04104
- Reassigned Medicare billing, Maine enrollment
- 153 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 04210 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 8
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 Heidi Larson's NPI number?
The NPI number for Heidi Larson is 1780799437. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Heidi Larson located?
Heidi Larson practices at 2 Great Falls Plz Ste 21, Auburn, ME 04210. The listed phone number is (207) 330-3950.
What is Heidi Larson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Heidi Larson enrolled in Medicare?
Yes. Heidi Larson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Heidi Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heidi Larson reassigns Medicare benefits to Martin's Point Health Care, Inc. (Portland, ME). 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 Heidi Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Heidi Larson was last updated on June 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.