Carolyn Keffer, DNP, FNP-BC
NPI 1518691559 · Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Keffer, DNP, FNP-BC is a Nurse Practitioner provider in Chicago, IL (NPI 1518691559).
Provider details
- NPI number
- 1518691559
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 041.412031 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
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
3 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
489 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 177 | $112 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $79 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 74 | $14 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 36 | $113 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 31 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 52 | 29 |
| Fluticasone Propionate | 41 | 31 |
| Semaglutidebrand: Ozempic | 35 | — |
| Losartan Potassium | 26 | 15 |
| Atorvastatin Calcium | 24 | 13 |
| Furosemide | 23 | — |
| Omeprazole | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-07-14
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Carolyn Keffer's NPI number?
- Carolyn Keffer's National Provider Identifier (NPI) is 1518691559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Keffer's specialty?
- Carolyn Keffer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carolyn Keffer located?
- Carolyn Keffer's practice location on file with NPPES is 675 N Saint Clair St Ste 18-200, Chicago, IL 60611-5929.
- What is Carolyn Keffer's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Keffer is (312) 695-8630.
- Does Carolyn Keffer accept Medicare?
- Carolyn Keffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Keffer's NPI active?
- Yes — Carolyn Keffer's NPI (1518691559) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.