Harris M. Blackman, M.D., L.L.C.
NPI 1760621130 · Specialist · Marrero, LA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harris M. Blackman, M.D., L.L.C. is a Specialist organization in Marrero, LA (NPI 1760621130).
Provider details
- NPI number
- 1760621130
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Harris Blackman, Owner/Physician(504) 347-2141
- License
- 013299 (LA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-09
- Last updated
- 2009-02-09
Frequently asked questions
- What is Harris M. Blackman, M.D., L.L.C.'s NPI number?
- Harris M. Blackman, M.D., L.L.C.'s National Provider Identifier (NPI) is 1760621130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harris M. Blackman, M.D., L.L.C.?
- Harris M. Blackman, M.D., L.L.C. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Harris M. Blackman, M.D., L.L.C. located?
- Harris M. Blackman, M.D., L.L.C.'s practice location on file with NPPES is 1111 Medical Center Blvd, Marrero, LA 70072-3151.
- What is Harris M. Blackman, M.D., L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for Harris M. Blackman, M.D., L.L.C. is (504) 347-2141.
- Does Harris M. Blackman, M.D., L.L.C. accept Medicare?
- Harris M. Blackman, M.D., L.L.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Harris M. Blackman, M.D., L.L.C.?
- The authorized official listed on Harris M. Blackman, M.D., L.L.C.'s NPPES record is Harris Blackman, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harris M. Blackman, M.D., L.L.C.'s NPI active?
- Yes — Harris M. Blackman, M.D., L.L.C.'s NPI (1760621130) is active in the NPPES registry as of the last update on 2009-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.