Catherine B. Gahn, NP
Nurse Practitioner · Baton Rouge, LA
Catherine B. Gahn, NP is a nurse practitioner with a practice address in Baton Rouge, Louisiana, and NPI 1588815880, issued on Oct 5, 2008. Check the license (Louisiana AP04564, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine B. Gahn
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- AP04564 LA
Self-reported in NPPES; status is on the state search - Practice location
- 9001 Summa Ave, Baton Rouge, LA 70809
- Phone
- (800) 813-2224
- Enumerated
- Oct 5, 2008
- Record last updated
- Oct 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- 08775560 MS
1345920 LA - Medicare enrollment
- Enrolled (PECOS I20060110000079); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 934 in Louisiana → Look up another NPI →
Also registered at 9001 Summa Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sally Barry, MS PTPhysical Therapist1679838411
- Alicia Bates, NP-CNurse Practitioner1699013607
- Chad Braden, MDFamily Medicine Physician1447217336
- Gina Braud, M.S., R.D.N., L.D.N.Registered Dietitian1932568250
Verify Catherine B. Gahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license AP04564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average nurse practitioner in 2024
1,519 Medicare Part D claims for 322 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Albuterol Sulfate Hfa276 claims
- Trelegy Ellipta211 claims
- Stiolto Respimat148 claims
- Wixela Inhub84 claims
- Montelukast Sodium80 claims
- Fluticasone Propionate69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $264.03
3 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mayfair Emergency Group, LLCBaton Rouge, LA
- University Hospital And Clinics, Inc.Lafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine B. Gahn among 934 nurse practitioner records in Louisiana
Catherine B. Gahn, NP is one of 934 nurse practitioner records with a practice address in Louisiana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.
- NPI issued2008 · 22% of these records are older, 76% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2017 among the 588 with a school on file
- Record last updated2019 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
132 nurse practitioner records list a practice address in Baton Rouge
They are 132 of the 12,526 NPPES records with a practice address in Baton Rouge, and 934 nurse practitioner records in Louisiana.
All 934 in Louisiana → Every provider in Baton Rouge → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Christopher Alexander, FNP-BCBaton Rouge, LA 708091013149954
- Donna Bryant, N.P.Baton Rouge, LA 708091275731473
- Susan Cary, RN PRACTITIONERBaton Rouge, LA 708091679595938
- Thelma Cook, FNP-CBaton Rouge, LA 708091821158395
- William Hardin, N.P.Baton Rouge, LA 708091073508552
- Lenore Harris, NPBaton Rouge, LA 708091790009496
- Sharon Holder, RN PRACTITIONERBaton Rouge, LA 708091104848365
- Jennifer Leblanc, N.P.Baton Rouge, LA 708091962589614
Common questions
What is Catherine B. Gahn, NP's NPI number?
Catherine B. Gahn, NP's National Provider Identifier (NPI) is 1588815880, issued on Oct 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Catherine B. Gahn, NP located?
The NPPES record lists a practice address at 9001 Summa Ave, Baton Rouge, LA, 70809. Phone: (800) 813-2224. Providers update this record themselves, so call before visiting.
How can I verify Catherine B. Gahn, NP's license?
NPPES lists Louisiana license number AP04564, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine B. Gahn, NP prescribe under Medicare Part D?
In 2024, Catherine B. Gahn, NP had 1,519 Medicare Part D claims for 322 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.