IndividualActive
Helen Tadjalli, M.D.
NPI 1649326430 · Specialist · Saint Louis, MO
Helen Tadjalli, M.D. is a Specialist provider in Saint Louis, MO (NPI 1649326430).
Provider details
- NPI number
- 1649326430
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD116731 (MO)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
969 N Mason Rd
Suite 100
Saint Louis, MO 63141-6338
Phone: (314) 878-2278
Street-level locationGet directions
Mailing address
969 N Mason Rd
Saint Louis, MO 63141-6338
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Helen Tadjalli's NPI number?
- Helen Tadjalli's National Provider Identifier (NPI) is 1649326430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Tadjalli's specialty?
- Helen Tadjalli is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Helen Tadjalli located?
- Helen Tadjalli's practice location on file with NPPES is 969 N Mason Rd, Saint Louis, MO 63141-6338.
- What is Helen Tadjalli's phone number?
- The practice phone number listed in the NPPES registry for Helen Tadjalli is (314) 878-2278.
- Is Helen Tadjalli's NPI active?
- Yes — Helen Tadjalli's NPI (1649326430) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.