NPPES file of Aug 9, 2026

Harrison R. Grieb, MD

Student in an Organized Health Care Education/Training Program · Metairie, LA

Harrison R. Grieb, MD is a student in an organized health care education/training program with a practice address in Metairie, Louisiana, and NPI 1437787231, issued on Mar 29, 2020. Check the license with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437787231
Name
Harrison R. Grieb
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
4740 S I 10 Service RD W Ste 200, Metairie, LA 70001
Phone
(504) 988-5458
Enumerated
Mar 29, 2020
Record last updated
Mar 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(504) 988-6808
Medicare enrollment
Enrolled (PECOS I20251216000613); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4740 S I 10 Service RD W Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gita ChadalawadaStudent in an Organized Health Care Education/Training Program1932737467
  2. Kathleen CondonStudent in an Organized Health Care Education/Training Program1720617517
  3. Ana Falcon, MDStudent in an Organized Health Care Education/Training Program1417535113
  4. Samantha KriegerStudent in an Organized Health Care Education/Training Program1457938185
  5. Ketaki Mukhopadhyay, MDStudent in an Organized Health Care Education/Training Program1891303848
  6. Stephanie Shapiro, MDChild & Adolescent Psychiatry Physician1164126488

Verify Harrison R. Grieb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Louisiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

11 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Harrison Grieb11
  2. Specialty average185

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: $29.48

1 payment: food and beverage; the largest payer was Genzyme Corporation. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Harrison Grieb$29.48
  2. Specialty average$608.08

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

  1. Alaska Native Tribal Health ConsortiumAnchorage, AK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Harrison R. Grieb among 3,342 student in an organized health care education/training program records in Louisiana

Harrison R. Grieb, MD is one of 3,342 student in an organized health care education/training program records with a practice address in Louisiana. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 12% of them.

  • NPI issued2020 · 12% of these records are older, 85% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileYes · 3% of these records are
  • Graduated2020 · median 2018 among the 100 with a school on file
  • Record last updated2020 · 17% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

87 student in an organized health care education/training program records list a practice address in Metairie

They are 87 of the 5,682 NPPES records with a practice address in Metairie, and 3,342 student in an organized health care education/training program records in Louisiana.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Kalah Arnett, DOMetairie, LA 700011700382207
  2. Virginia Byron, M.D.Metairie, LA 700011356872584
  3. Gita ChadalawadaMetairie, LA 700011932737467
  4. Kathleen CondonMetairie, LA 700011720617517
  5. Ellen Connor, M.D., PH.D.Metairie, LA 700011154765915
  6. Devin Cormier, MDMetairie, LA 700011700581246
  7. Ana Falcon, MDMetairie, LA 700011417535113
  8. Saba FarooqMetairie, LA 700011396240974

Common questions

What is Harrison R. Grieb, MD's NPI number?

Harrison R. Grieb, MD's National Provider Identifier (NPI) is 1437787231, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Harrison R. Grieb, MD located?

The NPPES record lists a practice address at 4740 S I 10 Service RD W Ste 200, Metairie, LA, 70001. Phone: (504) 988-5458. Providers update this record themselves, so call before visiting.

How can I verify Harrison R. Grieb, MD's license?

Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does Harrison R. Grieb, MD prescribe under Medicare Part D?

In 2024, Harrison R. Grieb, MD had 11 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.