MRS. CHANDLER DIFFILY PMHNP
NPI 1487270112
Nurse Practitioner - Psychiatric/Mental Health in Haverhill, MA
About Mrs. Chandler Diffily Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CHANDLER DIFFILY PMHNP (NPI 1487270112) is an individual psychiatric/mental health provider in Haverhill, Massachusetts, licensed in Massachusetts (2020011123) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
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
Mrs. Chandler Diffily Pmhnp 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 Chandler Diffily reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woburn, MA 01801
- Reassigned Medicare billing, Massachusetts enrollment
- 145 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 2
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.
Anna Jaques Hospital
Acute Care Hospitals · Newburyport, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01830 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.
HAVERHILL, MA 01830
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 Chandler Diffily's NPI number?
The NPI number for Chandler Diffily is 1487270112. It was assigned to this individual provider in the NPPES registry on June 18, 2020. The provider is also known as Ms. Chandler Knight.
Where is Chandler Diffily located?
Chandler Diffily practices at 116 Summer St, Haverhill, MA 01830. The listed phone number is (978) 373-7010.
What is Chandler Diffily's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Chandler Diffily enrolled in Medicare?
Yes. Chandler Diffily 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 Chandler Diffily's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chandler Diffily reassigns Medicare benefits to Hri Clinics, Inc. (Woburn, MA). 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 Chandler Diffily's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chandler Diffily accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Chandler Diffily 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 Chandler Diffily affiliated with any hospitals?
According to CMS data, Chandler Diffily is affiliated with Anna Jaques Hospital.
When was this NPI record last updated?
The NPPES record for Chandler Diffily was last updated on September 6, 2022. 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.
# Mrs. Chandler Diffily, PMHNP · NPI 1487270112
Psychiatric/Mental Health physician in Haverhill, Massachusetts. Individual provider, active in the CMS NPPES registry since June 18, 2020.
## Identity
- **NPI:** 1487270112 (Entity type: Individual)
- **Enumerated:** June 18, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 2020011123 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 116 SUMMER ST, Haverhill, MA 01830-6032
- **Phone:** (978) 373-7010
## 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:** Hri Clinics, Inc. (NPI 1598707002, Woburn, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 6, 2022
- **Other identifiers:** Other 2020011123 (MA); Other RN2302027 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1487270112) · Data from the CMS NPPES public registry.