Kathy Marren, GNP
NPI 1568430379 · Gerontology Nurse Practitioner · Champaign, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathy Marren, GNP is a Gerontology Nurse Practitioner provider in Champaign, IL (NPI 1568430379).
Provider details
- NPI number
- 1568430379
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- GNP
- Sex
- Female
- Sole proprietor
- No
- License
- 083575 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
20 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
485 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 195 | $85 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 129 | $88 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 103 | $104 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $105 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 26 | $62 |
Typical Medicare-allowed amounts for these services range $62–$105 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 116 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 92 | 18 |
| Apixabanbrand: Eliquis | 81 | 12 |
| Furosemide | 69 | 18 |
| Gabapentin | 61 | 13 |
| Atorvastatin Calcium | 59 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2011-09-02
Frequently asked questions
- What is Kathy Marren's NPI number?
- Kathy Marren's National Provider Identifier (NPI) is 1568430379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Marren's specialty?
- Kathy Marren is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathy Marren located?
- Kathy Marren's practice location on file with NPPES is 1801 Windsor Rd, Champaign, IL 61822-6217.
- What is Kathy Marren's phone number?
- The practice phone number listed in the NPPES registry for Kathy Marren is (217) 366-5434.
- Does Kathy Marren accept Medicare?
- Kathy Marren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathy Marren's NPI active?
- Yes — Kathy Marren's NPI (1568430379) is active in the NPPES registry as of the last update on 2011-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.