Ashley Ko, NP
Primary Care Nurse Practitioner · Haverhill, MA
Ashley Ko, NP is a primary care nurse practitioner with a practice address in Haverhill, Massachusetts, and NPI 1821462045, issued on Nov 27, 2015. Check the license (Massachusetts RN2291986, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley Ko
- Credential
- NP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- RN2291986 MA
Self-reported in NPPES; status is on the state search - Practice location
- 288 Groveland St Ste C3, Haverhill, MA 01830
- Phone
- (978) 206-1860
- Enumerated
- Nov 27, 2015
- Record last updated
- May 7, 2025
- Fax
- (978) 706-0006
- Medicaid ID
- 110111575A MA
- Medicare enrollment
- Enrolled (PECOS I20160603000373); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 376 in Massachusetts → Look up another NPI →
Verify Ashley Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2291986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average primary care nurse practitioner in 2024
3,965 Medicare Part D claims for 231 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 316 claims were for opioids.
Most prescribed
- Gabapentin165 claims
- Lorazepam135 claims
- Tramadol Hcl123 claims
- Eliquis121 claims
- Jardiance97 claims
- Trazodone Hcl91 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,345.03
21 payments; by number, the most common kind was food and beverage; the largest payer was Acadia Pharmaceuticals Inc. The 4,321 providers of this specialty with any payment received $625.13 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ashley Ko among 376 primary care nurse practitioner records in Massachusetts
Ashley Ko, NP is one of 376 primary care nurse practitioner records with a practice address in Massachusetts. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 35% of them.
- NPI issued2015 · 35% of these records are older, 59% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 2019 among the 196 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Massachusetts
There are 376 primary care nurse practitioner records in Massachusetts.
All 376 in Massachusetts → Every provider in Haverhill → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Catherine Macharia, FNP-BCDracut, MA 018261710738372
- Deborah MansfieldGroveland, MA 018341942684220
- Angela Scuderi, MSN, APRN, FNP-BCDracut, MA 018261689542532
- Heidi Duran, AGNPChelmsford, MA 018241396327961
- Katelyn Scagnelli, FNP-BCChelmsford, MA 018241760634943
- Charlene Clerveau, NPBillerica, MA 018211609448109
- Daphnee Delatour, CNPLawrence, MA 018401295273803
- Suhaiti Villa, NPLawrence, MA 018411376144741
Common questions
What is Ashley Ko, NP's NPI number?
Ashley Ko, NP's National Provider Identifier (NPI) is 1821462045, issued on Nov 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Ko, NP located?
The NPPES record lists a practice address at 288 Groveland St Ste C3, Haverhill, MA, 01830. Phone: (978) 206-1860. Providers update this record themselves, so call before visiting.
How can I verify Ashley Ko, NP's license?
NPPES lists Massachusetts license number RN2291986, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley Ko, NP prescribe under Medicare Part D?
In 2024, Ashley Ko, NP had 3,965 Medicare Part D claims for 231 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.