Ashley Ko, NP
NPI 1821462045 · Primary Care Nurse Practitioner · Haverhill, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Ko, NP is a Primary Care Nurse Practitioner provider in Haverhill, MA (NPI 1821462045).
Provider details
- NPI number
- 1821462045
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2291986 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,751 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 962 | $92 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 620 | $130 |
| Advance Care Planning, First 30 Minutes99497 | 57 | $64 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 45 | $63 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 36 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 165 | 36 |
| Lorazepam | 135 | 40 |
| Tramadol Hcl | 123 | 41 |
| Apixabanbrand: Eliquis | 121 | 16 |
| Empagliflozinbrand: Jardiance | 97 | 17 |
| Trazodone Hcl | 91 | 30 |
| Oxycodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,345 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-11-27
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Ashley Ko's NPI number?
- Ashley Ko's National Provider Identifier (NPI) is 1821462045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Ko's specialty?
- Ashley Ko is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ashley Ko located?
- Ashley Ko's practice location on file with NPPES is 288 Groveland St Ste C3, Haverhill, MA 01830-6674.
- What is Ashley Ko's phone number?
- The practice phone number listed in the NPPES registry for Ashley Ko is (978) 206-1860.
- Does Ashley Ko accept Medicare?
- Ashley Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Ko's NPI active?
- Yes — Ashley Ko's NPI (1821462045) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.