HEIDI ELISE KARNER RDN
NPI 1801439013
Dietitian, Registered in Boston, MA
About Heidi Elise Karner Rdn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEIDI ELISE KARNER RDN (NPI 1801439013) is an individual dietitian, registered in Boston, Massachusetts, licensed in Connecticut (86110291) and active in the NPI registry since October 2019. She is a graduate of University Of Connecticut School Of Medicine (2017).
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
Heidi Elise Karner Rdn 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
2Medicare enrollment records show Heidi Karner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 125 clinicians in this Medicare group
Amherst, MA 01002
- Reassigned Medicare billing, Massachusetts enrollment
- 4 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 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Karner's NPI number?
The NPI number for Heidi Karner is 1801439013. It was assigned to this individual provider in the NPPES registry on October 21, 2019.
Where is Heidi Karner located?
Heidi Karner practices at 1 Joslin Pl Ofc 208, Boston, MA 02215. The listed phone number is (617) 309-2438.
What is Heidi Karner's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Heidi Karner enrolled in Medicare?
Yes. Heidi Karner 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 Heidi Karner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heidi Karner reassigns Medicare benefits to 2 organizations: Joslin Clinic Inc (Boston, MA) and Happy Valley Nutrition PC (Amherst, MA). 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 Heidi Karner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heidi Karner accept?
Health plans from Anthem Blue Cross and Blue Shield list Heidi Karner 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 Heidi Karner was last updated on October 21, 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.
# Heidi Elise Karner, RDN · NPI 1801439013
Dietitian, Registered provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 21, 2019.
## Identity
- **NPI:** 1801439013 (Entity type: Individual)
- **Enumerated:** October 21, 2019
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** 86110291 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 JOSLIN PL OFC 208, Boston, MA 02215-5394
- **Phone:** (617) 309-2438
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Joslin Clinic Inc (NPI 1528003621, Boston, MA); Happy Valley Nutrition PC (NPI 1780223032, Amherst, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** October 21, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1801439013) · Data from the CMS NPPES public registry.