Catherine Gahn, NP
NPI 1588815880 · Nurse Practitioner · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Gahn, NP is a Nurse Practitioner provider in Baton Rouge, LA (NPI 1588815880).
Provider details
- NPI number
- 1588815880
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP04564 (LA)
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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
140 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 | 97 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $113 |
Typical Medicare-allowed amounts for these services range $77–$113 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 276 | 105 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 211 | 51 |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 148 | 33 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 84 | 20 |
| Montelukast Sodium | 80 | 31 |
| Fluticasone Propionate | 69 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$264 across 3 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
Registry dates
- Enumerated
- 2008-10-05
- Last updated
- 2019-10-22
Frequently asked questions
- What is Catherine Gahn's NPI number?
- Catherine Gahn's National Provider Identifier (NPI) is 1588815880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Gahn's specialty?
- Catherine Gahn is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Gahn located?
- Catherine Gahn's practice location on file with NPPES is 9001 Summa Ave, Baton Rouge, LA 70809-3726.
- What is Catherine Gahn's phone number?
- The practice phone number listed in the NPPES registry for Catherine Gahn is (800) 813-2224.
- Does Catherine Gahn accept Medicare?
- Catherine Gahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Gahn's NPI active?
- Yes — Catherine Gahn's NPI (1588815880) is active in the NPPES registry as of the last update on 2019-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.