Thomas H. Grimstad, MD
Pulmonary Disease Physician · Marrero, LA
Thomas H. Grimstad, MD is a pulmonary disease physician with a practice address in Marrero, Louisiana, and NPI 1467453530, issued on Aug 10, 2005. Check the license (Louisiana 014059, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas H. Grimstad
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 014059 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Medical Center Blvd, Marrero, LA 70072
- Phone
- (504) 349-6705
- Enumerated
- Aug 10, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (504) 347-0813
- Medicaid ID
- 1172286 LA
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 208 in Louisiana → Look up another NPI →
Also registered at 1111 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Batson, M.D.Vascular Surgery Physician1790780823
- Harris Blackman, M.D.Specialist1629041116
- Jonathan Boraski, M.D.Plastic Surgery Physician1245231612
- William Borron, MDPulmonary Disease Physician1790786861
Verify Thomas H. Grimstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 014059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
47 Medicare Part D claims, against an average of 1,425 among the 11,596 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.
Thomas H. Grimstad among 208 pulmonary disease physician records in Louisiana
Thomas H. Grimstad, MD is one of 208 pulmonary disease physician records with a practice address in Louisiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Louisiana
There are 208 pulmonary disease physician records in Louisiana.
All 208 in Louisiana → Every provider in Marrero → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- William Borron, MDMarrero, LA 700721790786861
- Judy Kang, MDMarrero, LA 700721093716300
- Elaine Lanasa, MDMarrero, LA 700721982605051
- Michel Lebrun, MDMarrero, LA 700721093716169
- Kyle Happel, MDKenner, LA 700651972526986
- Amber Hart, MDKenner, LA 700651881199321
- Elisa Klainer, MDKenner, LA 700651427059450
- Carol Mason, MDKenner, LA 700651851313621
Common questions
What is Thomas H. Grimstad, MD's NPI number?
Thomas H. Grimstad, MD's National Provider Identifier (NPI) is 1467453530, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas H. Grimstad, MD located?
The NPPES record lists a practice address at 1111 Medical Center Blvd, Marrero, LA, 70072. Phone: (504) 349-6705. Providers update this record themselves, so call before visiting.
How can I verify Thomas H. Grimstad, MD's license?
NPPES lists Louisiana license number 014059, 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 Thomas H. Grimstad, MD prescribe under Medicare Part D?
In 2024, Thomas H. Grimstad, MD had 47 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. 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.