Active NPI
Ashley S Holtan, FNP
- Family Nurse Practitioner
- Portsmouth, NH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 072319-23
- Practice address
- 1600 Woodbury Ave
Portsmouth, NH 03801-3250 - Phone
- (603) 602-9070
- Fax
- (603) 810-6881
- NPI assigned
- Jan 27, 2020
- Last updated
- Apr 6, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 072319-23 | NH | Primary |
Addresses
Primary practice location
1600 Woodbury Ave
Portsmouth, NH 03801-3250
Mailing address
360 US Highway 1 Byp Unit 102
Portsmouth, NH 03801-7105
Phone (603) 410-6700
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NH
- 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, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
10 Tsienneto Rd
Derry, NH 03038-1505
Phone (603) 659-3106
128 Route 27
Raymond, NH 03077-1220
Phone (603) 895-3351
1600 Woodbury Ave
Portsmouth, NH 03801-3250
Phone (603) 602-9070
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lamprey Health Care Inc | Current | Accepting new patients | |
| Convenientmd LLC | Current | Accepting new patients | |
| Lamprey Health Care Inc | Family | Current | Accepting new patients |
| Lamprey Health Care Inc | Family | Current | Accepting new patients |
| Convenientmd LLC | Past | Accepting new patients | |
| Convenientmd LLC | Past | Accepting new patients |
Locations
22 Prospect St
Nashua, NH 03060
Phone (603) 883-1626
207 S Main St
Newmarket, NH 03857
Phone (603) 659-3106
1600 Woodbury Ave
Portsmouth, NH 03801
Phone (603) 431-1030
360 US Highway 1 Byp
Unit 102
Portsmouth, NH 03801
Phone (603) 410-6700
128 State Route 27
Raymond, NH 03077
Phone (603) 778-7975
Interoperability endpoints
- ashley.holtan.1@33606.direct.athenahealth.com
- ashley.holtan.p1@direct.convenientmd.nextgenshare.com
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Federally Qualified Health Center (FQHC)
- Newmarket, NH
- NPI 1568412237
Family
-
- Urgent Care Clinic/Center
- Bedford, NH
- NPI 1629477021
-
- Urgent Care Clinic/Center
- Belmont, NH
- NPI 1437707809
-
dba Lamprey Health Care Mobile Health Unit
- Federally Qualified Health Center (FQHC)
- Raymond, NH
- NPI 1134702954
-
dba Lamprey Health Care-Nashua Center
- Federally Qualified Health Center (FQHC)
- Nashua, NH
- NPI 1841202512
Family
-
- Family Medicine Physician
- Portsmouth, NH
- NPI 1114689007
-
- Urgent Care Clinic/Center
- Windham, NH
- NPI 1528330180
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Portsmouth, NH
- NPI 1326230251
-
- General Acute Care Hospital
- Exeter, NH
- NPI 1437158433
-
dba Portsmouth Regional Hospital
- General Acute Care Hospital
- Portsmouth, NH
- NPI 1518913607
-
- General Acute Care Hospital
- York, ME
- NPI 1376528398
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1580083200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775433600000",
"number": "1093346322",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "360 US HIGHWAY 1 BYP UNIT 102",
"city": "PORTSMOUTH",
"state": "NH",
"postal_code": "038017105",
"telephone_number": "603-410-6700",
"fax_number": "603-309-9601"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1600 WOODBURY AVE",
"city": "PORTSMOUTH",
"state": "NH",
"postal_code": "038013250",
"telephone_number": "603-602-9070",
"fax_number": "603-810-6881"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOLTAN",
"first_name": "ASHLEY",
"middle_name": "S",
"credential": "FNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-01-27",
"last_updated": "2026-04-06",
"certification_date": "2026-04-06",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "NH",
"license": "072319-23",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Portsmouth, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 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.