Harrison Grieb, MD
NPI 1437787231 · Student in an Organized Health Care Education/Training Program · Metairie, LA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harrison Grieb, MD is a Student in an Organized Health Care Education/Training Program provider in Metairie, LA (NPI 1437787231).
Provider details
- NPI number
- 1437787231
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-29
- Last updated
- 2020-03-29
- Certified
- 2020-03-29
Frequently asked questions
- What is Harrison Grieb's NPI number?
- Harrison Grieb's National Provider Identifier (NPI) is 1437787231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Grieb's specialty?
- Harrison Grieb is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Harrison Grieb located?
- Harrison Grieb's practice location on file with NPPES is 4740 S I 10 Service Rd W Ste 200, Metairie, LA 70001-1244.
- What is Harrison Grieb's phone number?
- The practice phone number listed in the NPPES registry for Harrison Grieb is (504) 988-5458.
- Does Harrison Grieb accept Medicare?
- Harrison Grieb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harrison Grieb's NPI active?
- Yes — Harrison Grieb's NPI (1437787231) is active in the NPPES registry as of the last update on 2020-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.