Active NPI
Krystal Peirce, NP
- Nurse Practitioner
- Haverhill, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- RN2282055
- Practice address
- 62 Brown St
Haverhill, MA 01830-6778 - Phone
- (978) 521-6555
- Fax
- (978) 521-1236
- NPI assigned
- Apr 2, 2018
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | RN2282055 | MA | Primary |
| General Practice Registered Nurse | 163WG0000X | 081650-21 | NH | |
| Adult Psychiatric/Mental Health Registered Nurse | 163WP0809X | RN2282055 | MA |
Addresses
Primary practice location
62 Brown St
Haverhill, MA 01830-6778
Mailing address
62 Brown St
Haverhill, MA 01830-6778
Phone (978) 521-6555
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
62 Brown St
Suite 502
Haverhill, MA 01830-6790
Phone (978) 521-6555
Hospital & facility affiliations
- Holy Family Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 081650-21 | NH | MD | General Practice Registered Nurse |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Haverhill Family Office, LLC | Current | Accepting new patients |
Locations
62 Brown St
Haverhill, MA 01830
Phone (978) 521-6555
62 Brown St
Ste 501
Haverhill, MA 01830
Phone (978) 521-6555
62 Brown St
Ste 502
Haverhill, MA 01830
Phone (978) 521-6555
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/CHAACD
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Haverhill, MA
- NPI 1851935910
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Methuen, MA
- NPI 1265267991
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1522627200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772582400000",
"number": "1992201776",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "62 BROWN ST",
"city": "HAVERHILL",
"state": "MA",
"postal_code": "018306778",
"telephone_number": "978-521-6555",
"fax_number": "978-521-1236"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "62 BROWN ST",
"city": "HAVERHILL",
"state": "MA",
"postal_code": "018306778",
"telephone_number": "978-521-6555",
"fax_number": "978-521-1236"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PEIRCE",
"first_name": "KRYSTAL",
"credential": "NP",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2018-04-02",
"last_updated": "2026-03-04",
"certification_date": "2026-03-04",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "MA",
"license": "RN2282055",
"primary": true
},
{
"code": "163WG0000X",
"taxonomy_group": "",
"desc": "Registered Nurse, General Practice",
"state": "NH",
"license": "081650-21",
"primary": false
},
{
"code": "163WP0809X",
"taxonomy_group": "",
"desc": "Registered Nurse, Psychiatric/Mental Health, Adult",
"state": "MA",
"license": "RN2282055",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Haverhill, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.