Catherine Ann Johnson, MD
Obstetrics & Gynecology Physician · Baton Rouge, LA
Catherine Ann Johnson, MD is an obstetrics & gynecology physician with a practice address in Baton Rouge, Louisiana, and NPI 1477203339, issued on Mar 24, 2022. Check the license (Louisiana 350906, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Catherine Ann Johnson
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 350906 LA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Rue DE LA Vie St Ste 100, Baton Rouge, LA 70817
- Phone
- (512) 963-4796
- Enumerated
- Mar 24, 2022
- Record last updated
- Apr 15, 2026
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 659 in Louisiana → Look up another NPI →
Also registered at 500 Rue DE LA Vie St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan Broussard, M.D.Obstetrics & Gynecology Physician1063946689
- Lori Gentile, MDObstetrics & Gynecology Physician1114555208
- Mathew RootObstetrics & Gynecology Physician1134863186
- Nicolette Stelter, MDObstetrics & Gynecology Physician1407411283
- Emily Stephenson, MDObstetrics & Gynecology Physician1437787769
Verify Catherine Ann Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 350906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
17 Medicare Part D claims for 13 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $90.81
6 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Catherine Ann Johnson among 659 obstetrics & gynecology physician records in Louisiana
Catherine Ann Johnson, MD is one of 659 obstetrics & gynecology physician records with a practice address in Louisiana. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Louisiana
There are 659 obstetrics & gynecology physician records in Louisiana.
All 659 in Louisiana → Every provider in Baton Rouge → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Timothy Andrus, MDBaton Rouge, LA 708171568447365
- Debra Baehr, MDBaton Rouge, LA 708171245215052
- Jan Benanti, MDBaton Rouge, LA 708171235114042
- William Binder, MDBaton Rouge, LA 708171013992825
- Sarah Davis, MDBaton Rouge, LA 708171437135068
- Wendy Holden-Parker, MDBaton Rouge, LA 708171861478406
- Jeffrey Janies, MDBaton Rouge, LA 708171003816133
- Shawn Kleinpeter, MDBaton Rouge, LA 708171538169677
Common questions
What is Catherine Ann Johnson, MD's NPI number?
Catherine Ann Johnson, MD's National Provider Identifier (NPI) is 1477203339, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Ann Johnson, MD located?
The NPPES record lists a practice address at 500 Rue DE LA Vie St Ste 100, Baton Rouge, LA, 70817. Phone: (512) 963-4796. Providers update this record themselves, so call before visiting.
How can I verify Catherine Ann Johnson, MD's license?
NPPES lists Louisiana license number 350906, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Ann Johnson, MD prescribe under Medicare Part D?
In 2024, Catherine Ann Johnson, MD had 17 Medicare Part D claims for 13 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.