ASHLEY KO NP
NPI 1821462045
Nurse Practitioner - Primary Care in Haverhill, MA
About Ashley Ko Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLEY KO NP (NPI 1821462045) is an individual primary care provider in Haverhill, Massachusetts, licensed in Massachusetts (RN2291986) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS, is affiliated with Holy Family Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Ashley Ko Np 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 Ashley Ko reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Haverhill, MA 01830
- Reassigned Medicare billing, Massachusetts enrollment
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 176 clinicians in this Medicare group
Canton, MA 02021
- Reassigned Medicare billing, Massachusetts enrollment
- 113 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 5
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.
Holy Family Hospital
Acute Care Hospitals · Methuen, 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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
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 Ashley Ko's NPI number?
The NPI number for Ashley Ko is 1821462045. It was assigned to this individual provider in the NPPES registry on November 27, 2015. The provider is also known as Ashley Seung Hi Chun Np.
Where is Ashley Ko located?
Ashley Ko practices at 288 Groveland St Ste C3, Haverhill, MA 01830. The listed phone number is (978) 206-1860.
What is Ashley Ko's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Ashley Ko enrolled in Medicare?
Yes. Ashley Ko 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 Ashley Ko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Ko reassigns Medicare benefits to 3 organizations: Smithers & Ko Health Services LLC (Haverhill, MA), Massachusetts Acute Care Specialists PC (Melrose, MA) and Vantage Healthcare LLC (Canton, 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 Ashley Ko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashley Ko accept?
Health plans from WellSense Health Plan list Ashley Ko 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 Ashley Ko affiliated with any hospitals?
According to CMS data, Ashley Ko is affiliated with Holy Family Hospital.
When was this NPI record last updated?
The NPPES record for Ashley Ko was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Ashley Ko, NP · NPI 1821462045
Primary Care physician in Haverhill, Massachusetts. Individual provider, active in the CMS NPPES registry since November 27, 2015.
## Identity
- **NPI:** 1821462045 (Entity type: Individual)
- **Enumerated:** November 27, 2015
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** RN2291986 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 288 GROVELAND ST STE C3, Haverhill, MA 01830-6674
- **Phone:** (978) 206-1860 · **Fax:** (978) 706-0006
## 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): Smithers & Ko Health Services LLC (NPI 1609653815, Haverhill, MA); Massachusetts Acute Care Specialists PC (NPI 1306134812, Melrose, MA); Vantage Healthcare LLC (NPI 1366903551, Canton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** May 7, 2025
- **Other identifiers:** Medicaid 110111575A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1821462045) · Data from the CMS NPPES public registry.