Marianne Butler, APN
NPI 1518228915 · Family Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Butler, APN is a Family Nurse Practitioner provider in Chicago, IL (NPI 1518228915).
Provider details
- NPI number
- 1518228915
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209009171 (IL)
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 tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 161 | 44 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 92 | 26 |
| Lisinopril | 76 | 23 |
| Metformin Hcl | 58 | 19 |
| Fluticasone Propionate | 51 | 14 |
| Omeprazole | 50 | 14 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-01
- Last updated
- 2024-05-14
- Certified
- 2024-05-14
Frequently asked questions
- What is Marianne Butler's NPI number?
- Marianne Butler's National Provider Identifier (NPI) is 1518228915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Butler's specialty?
- Marianne Butler is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marianne Butler located?
- Marianne Butler's practice location on file with NPPES is 1431 N Western Ave, Chicago, IL 60622-1797.
- What is Marianne Butler's phone number?
- The practice phone number listed in the NPPES registry for Marianne Butler is (312) 633-5841.
- Does Marianne Butler accept Medicare?
- Marianne Butler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Butler's NPI active?
- Yes — Marianne Butler's NPI (1518228915) is active in the NPPES registry as of the last update on 2024-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.