Mary Merrell, FNP-BC
NPI 1952081556 · Family Nurse Practitioner · Siloam Springs, AR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Merrell, FNP-BC is a Family Nurse Practitioner provider in Siloam Springs, AR (NPI 1952081556).
Provider details
- NPI number
- 1952081556
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 2023060388 (AR)
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 tenure28% of score
2 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
493 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 120 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $69 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 64 | $41 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 61 | $84 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 54 | $11 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 76 | 68 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 53 | 45 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 40 | 36 |
| Methylprednisolone | 38 | 34 |
| Prednisone | 30 | 28 |
| Fluconazole | 20 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-07-19
- Last updated
- 2023-07-19
- Certified
- 2023-07-19
Frequently asked questions
- What is Mary Merrell's NPI number?
- Mary Merrell's National Provider Identifier (NPI) is 1952081556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Merrell's specialty?
- Mary Merrell is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Merrell located?
- Mary Merrell's practice location on file with NPPES is 413 S Wright St, Siloam Springs, AR 72761-3515.
- What is Mary Merrell's phone number?
- The practice phone number listed in the NPPES registry for Mary Merrell is (479) 220-2341.
- Does Mary Merrell accept Medicare?
- Mary Merrell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Merrell's NPI active?
- Yes — Mary Merrell's NPI (1952081556) is active in the NPPES registry as of the last update on 2023-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.