DR. MOLLY HEATHER HARRINGTON M.D.
NPI 1962420323
Pediatrics - Pediatric Endocrinology in Boston, MA
About Dr. Molly Heather Harrington M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MOLLY HEATHER HARRINGTON M.D. (NPI 1962420323) is an individual pediatric endocrinology provider in Boston, Massachusetts, licensed in New Hampshire (12700) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Dover, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Molly Heather Harrington M.d. 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
3Medicare enrollment records show Molly Harrington reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- 6,360 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 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 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Molly Harrington's NPI number?
The NPI number for Molly Harrington is 1962420323. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Molly Harrington located?
Molly Harrington practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (603) 740-2366.
What is Molly Harrington's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Molly Harrington enrolled in Medicare?
Yes. Molly Harrington 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 Molly Harrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Molly Harrington reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Dartmouth-Hitchcock Clinic (Keene, NH). 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 Molly Harrington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Molly Harrington accept?
Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Molly Harrington 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 Molly Harrington was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Molly Heather Harrington, M.D. · NPI 1962420323
Pediatric Endocrinology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1962420323 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Pediatrics - Pediatric Endocrinology · taxonomy 2080P0205X
- **State license:** 12700 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (603) 740-2366 · **Fax:** (603) 629-1785
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** December 14, 2021
- **Other identifiers:** Medicaid 30205267 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1962420323) · Data from the CMS NPPES public registry.