Diane Davis Van Gerwen, MD
Hospitalist Physician · New Orleans, LA
Diane Davis Van Gerwen, MD is a hospitalist physician with a practice address in New Orleans, Louisiana, and NPI 1003234642, issued on Apr 1, 2014. Check the license (Louisiana 305924, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diane Davis Van Gerwen
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 305924 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1514 Jefferson Hwy, New Orleans, LA 70121
- Phone
- (504) 842-7518
- Enumerated
- Apr 1, 2014
- Record last updated
- Mar 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170925002972); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 340 in Louisiana → Look up another NPI →
Also registered at 1514 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane Davis Van Gerwen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 305924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average hospitalist physician in 2024
584 Medicare Part D claims for 200 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis74 claims
- Furosemide38 claims
- Atorvastatin Calcium37 claims
- Clopidogrel26 claims
- Amiodarone Hcl19 claims
- Metoprolol Succinate19 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: $251.83
2 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 7,324 providers of this specialty with any payment received $494.84 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 one group practice
- Belle Chasse Physician Services LLCTerrytown, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Davis Van Gerwen among 340 hospitalist physician records in Louisiana
Diane Davis Van Gerwen, MD is one of 340 hospitalist physician records with a practice address in Louisiana. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2014 · median 2014 among the 271 with a school on file
- Record last updated2019 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Louisiana
There are 340 hospitalist physician records in Louisiana.
All 340 in Louisiana → Every provider in New Orleans → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Michael Boucree, M.D.New Orleans, LA 701211912066309
- William Carter, M.D.New Orleans, LA 701211942404454
- Michael Davis, ANPNew Orleans, LA 701211487876421
- Robert Marier, MDNew Orleans, LA 701211013021302
- Marianne Maumus, MDNew Orleans, LA 701211013944487
- Stacy McDonald, MDNew Orleans, LA 701211407825557
- Arup Nath, MDNew Orleans, LA 701211558525642
- Jeremiah Newsom, MDNew Orleans, LA 701211245434612
Common questions
What is Diane Davis Van Gerwen, MD's NPI number?
Diane Davis Van Gerwen, MD's National Provider Identifier (NPI) is 1003234642, issued on Apr 1, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Diane Davis Van Gerwen, MD located?
The NPPES record lists a practice address at 1514 Jefferson Hwy, New Orleans, LA, 70121. Phone: (504) 842-7518. Providers update this record themselves, so call before visiting.
How can I verify Diane Davis Van Gerwen, MD's license?
NPPES lists Louisiana license number 305924, 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 Diane Davis Van Gerwen, MD prescribe under Medicare Part D?
In 2024, Diane Davis Van Gerwen, MD had 584 Medicare Part D claims for 200 beneficiaries; the average among hospitalist physician prescribers was 521. 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.