Marilyn Carroll, CRNP
NPI 1922587989 · Family Nurse Practitioner · Huntsville, AL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1922587989
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- 1-073969 (AL)
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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
614 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 255 | $99 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 100 | $11 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 62 | $100 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 58 | $14 |
| Administration of Influenza Virus VaccineG0008 | 40 | $29 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 36 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 219 | 66 |
| Levothyroxine Sodium | 185 | 50 |
| Lisinopril | 170 | 52 |
| Omeprazole | 125 | 41 |
| Losartan Potassium | 110 | 35 |
| Escitalopram Oxalate | 107 | 30 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$616 across 30 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
Additional practice locations (2)
- 1874 Beltline Rd Sw Ste 100Decatur, AL 35601-5514Phone: (256) 213-1800Fax: (256) 429-9186
- 3809 Sullivan St Ste 6aMadison, AL 35758-3146Phone: (256) 213-1800Fax: (256) 429-9186
Registry dates
- Enumerated
- 2018-08-10
- Last updated
- 2018-08-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.