Douglas Semian, M.D.
NPI 1801878020 · Hospitalist Physician · New Orleans, LA
Douglas Semian, M.D. is a Hospitalist Physician provider in New Orleans, LA (NPI 1801878020).
Provider details
- NPI number
- 1801878020
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 053949 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-11-15
- Last updated
- 2011-09-09
Frequently asked questions
- What is Douglas Semian's NPI number?
- Douglas Semian's National Provider Identifier (NPI) is 1801878020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Semian's specialty?
- Douglas Semian is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Semian located?
- Douglas Semian's practice location on file with NPPES is 1514 Jefferson Highway, New Orleans, LA 70121.
- What is Douglas Semian's phone number?
- The practice phone number listed in the NPPES registry for Douglas Semian is (504) 842-4000.
- Is Douglas Semian's NPI active?
- Yes — Douglas Semian's NPI (1801878020) is active in the NPPES registry as of the last update on 2011-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.