Ashley J. Gerlach, NP
Family Nurse Practitioner · Hudson, MA
Ashley J. Gerlach, NP is a family nurse practitioner with a practice address in Hudson, Massachusetts, and NPI 1649740416, issued on Dec 5, 2018. Check the license (Massachusetts RN2289879, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley J. Gerlach
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2289879 MA
Self-reported in NPPES; status is on the state search - Practice location
- 157 Washington St, Hudson, MA 01749
- Phone
- (978) 562-0564
- Enumerated
- Dec 5, 2018
- Record last updated
- Oct 30, 2023
- Fax
- (978) 562-5646
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 157 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven CabralPharmacist1912262858
- Alexandra Cavallaro, FNP-CFamily Nurse Practitioner1497279830
- Lauren Coffin, FNP-BCFamily Nurse Practitioner1457913386
- Vaidehi Desai, PHARM D.Pharmacist1134447170
- Zachary Dix, NPNurse Practitioner1730960899
- Michele Goh, MDInternal Medicine Physician1144281221
Verify Ashley J. Gerlach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2289879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average family nurse practitioner in 2024
1,340 Medicare Part D claims for 428 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium129 claims
- Losartan Potassium89 claims
- Amlodipine Besylate82 claims
- Omeprazole52 claims
- Levothyroxine Sodium50 claims
- Allopurinol48 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.
Ashley J. Gerlach among 4,724 family nurse practitioner records in Massachusetts
Ashley J. Gerlach, NP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 49% of them.
- NPI issued2018 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family nurse practitioner records list a practice address in Hudson
They are 13 of the 303 NPPES records with a practice address in Hudson, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Hudson → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Moira Carter, FNP-BCHudson, MA 017491487096616
- Alexandra Cavallaro, FNP-CHudson, MA 017491497279830
- Loan Chau, FNP-BCHudson, MA 017491699247957
- Lauren Coffin, FNP-BCHudson, MA 017491457913386
- Laurel Ginder, NP-CHudson, MA 017491184746547
- Nancy Golder, FNP-C, RNHudson, MA 017491902133028
- Geralda Louis-Isma, NPHudson, MA 017491114614617
- Lea Murphy, APRNHudson, MA 017491326693383
Common questions
What is Ashley J. Gerlach, NP's NPI number?
Ashley J. Gerlach, NP's National Provider Identifier (NPI) is 1649740416, issued on Dec 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ashley J. Gerlach, NP located?
The NPPES record lists a practice address at 157 Washington St, Hudson, MA, 01749. Phone: (978) 562-0564. Providers update this record themselves, so call before visiting.
How can I verify Ashley J. Gerlach, NP's license?
NPPES lists Massachusetts license number RN2289879, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley J. Gerlach, NP prescribe under Medicare Part D?
In 2024, Ashley J. Gerlach, NP had 1,340 Medicare Part D claims for 428 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.