Provider Profile
Listed in the NPI registry as a nurse practitioner — family, Mary C. Merrell, FNP-BC practices in Siloam Springs, AR. According to Medicare claims data, Mary cared for 429 Medicare patients across 838 services. The services billed most often include injection, dexamethasone sodium phosphate, 1 mg, detection test by immunoassay with direct visual observation for influenza virus, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
413 S WRIGHT ST
Siloam Springs, AR 72761
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Most searched procedures
Allergies
Chronic condition care
Dermatology
Diagnostic screening
Diagnostic tests
Ear, nose & throat
Heart health
Hormones & endocrine
Injections
Injury care
Lab tests
Lifestyle counseling
Mental health
Minor procedures
Minor surgery
Neurological care
Occupational health
Pain management
Physical exams
Prescriptions
Preventative care
Preventative exams
Respiratory care
Screenings
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
838 services · 429 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
54 | More often than most peers in Nurse Practitioner, Family |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
259 | More often than most peers in Nurse Practitioner, Family |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
86 | As often as other peers in Nurse Practitioner, Family |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
120 | More than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
94 | More often than most peers in Nurse Practitioner, Family |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
64 | More often than most peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
61 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 | |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
30 | More often than most peers in Nurse Practitioner, Family |
| Automated urinalysis test | Lab test | 81003 |
27 | As often as other peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mary C. Merrell is a nurse practitioner in Siloam Springs, AR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Mary C. Merrell is listed at 413 S Wright St, Siloam Springs, AR 72761. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (479) 220-2341. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mary C. Merrell's National Provider Identifier is 1952081556. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mary C. Merrell attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Mary C. Merrell has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mary C. Merrell provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mary C. Merrell. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.