Stacie Mercer, FNP
NPI 1942992656 · Family Nurse Practitioner · Watertown, MA
Stacie Mercer, FNP is a Family Nurse Practitioner provider in Watertown, MA (NPI 1942992656).
Provider details
- NPI number
- 1942992656
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2336279 (MA)
Specialties & taxonomies
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
3 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
55 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $119 |
Typical Medicare-allowed amounts for these services range $85–$119 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 21 | 17 |
| Metoprolol Succinate | 21 | 12 |
| Atorvastatin Calcium | 20 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | — |
| Meclizine Hcl | 16 | — |
| Omeprazole | 15 | 11 |
| Diclofenac Sodium | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 2 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
- 2023-05-22
- Last updated
- 2024-05-01
- Certified
- 2024-05-01
Frequently asked questions
- What is Stacie Mercer's NPI number?
- Stacie Mercer's National Provider Identifier (NPI) is 1942992656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stacie Mercer's specialty?
- Stacie Mercer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stacie Mercer located?
- Stacie Mercer's practice location on file with NPPES is 63 Pleasant St, Watertown, MA 02472-2386.
- What is Stacie Mercer's phone number?
- The practice phone number listed in the NPPES registry for Stacie Mercer is (617) 924-6484.
- Is Stacie Mercer's NPI active?
- Yes — Stacie Mercer's NPI (1942992656) is active in the NPPES registry as of the last update on 2024-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.