Stacie Lynn Mercer, FNP
Family Nurse Practitioner · Watertown, MA
Stacie Lynn Mercer, FNP is a family nurse practitioner with a practice address in Watertown, Massachusetts, and NPI 1942992656, issued on May 22, 2023. Check the license (Massachusetts 2336279, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stacie Lynn Mercer
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2336279 MA
Self-reported in NPPES; status is on the state search - Practice location
- 63 Pleasant St, Watertown, MA 02472
- Phone
- (617) 924-6484
- Enumerated
- May 22, 2023
- Record last updated
- May 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20240206002100); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 63 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stacie Lynn Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2336279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average family nurse practitioner in 2024
510 Medicare Part D claims for 161 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 16 claims were for opioids.
Most prescribed
- Lisinopril21 claims
- Metoprolol Succinate21 claims
- Atorvastatin Calcium20 claims
- Albuterol Sulfate Hfa18 claims
- Meclizine Hcl16 claims
- Omeprazole15 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: $52.17
2 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Stacie Lynn Mercer among 4,724 family nurse practitioner records in Massachusetts
Stacie Lynn Mercer, FNP 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 2023, is newer than 79% of them.
- NPI issued2023 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2019 among the 2,704 with a school on file
- Record last updated2024 · 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).
30 family nurse practitioner records list a practice address in Watertown
They are 30 of the 873 NPPES records with a practice address in Watertown, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Watertown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Richard Arnold, FNP, BCWatertown, MA 024721659344646
- Neangkanika Chea, FNP-BCWatertown, MA 024721477007730
- Katherine De Kanter, NPWatertown, MA 024721114256674
- Carolyn Dobies, NPWatertown, MA 024721053384669
- Andrea Forde, NPWatertown, MA 024721760451025
- Lynne Henning, ARNPWatertown, MA 024721043319783
- Jancie Lawrence, NP-CWatertown, MA 024721760884407
- Marcine Logue, NPWatertown, MA 024721174581029
Common questions
What is Stacie Lynn Mercer, FNP's NPI number?
Stacie Lynn Mercer, FNP's National Provider Identifier (NPI) is 1942992656, issued on May 22, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Stacie Lynn Mercer, FNP located?
The NPPES record lists a practice address at 63 Pleasant St, Watertown, MA, 02472. Phone: (617) 924-6484. Providers update this record themselves, so call before visiting.
How can I verify Stacie Lynn Mercer, FNP's license?
NPPES lists Massachusetts license number 2336279, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Stacie Lynn Mercer, FNP prescribe under Medicare Part D?
In 2024, Stacie Lynn Mercer, FNP had 510 Medicare Part D claims for 161 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.