Margaret Hua, MD
NPI 1861381659 · Psychiatry Physician · St. Louis, MO
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Hua, MD is a Psychiatry Physician provider in St. Louis, MO (NPI 1861381659).
Provider details
- NPI number
- 1861381659
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2025025925 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-06-28
- Last updated
- 2025-06-28
- Certified
- 2025-06-28
Frequently asked questions
- What is Margaret Hua's NPI number?
- Margaret Hua's National Provider Identifier (NPI) is 1861381659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hua's specialty?
- Margaret Hua is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Hua located?
- Margaret Hua's practice location on file with NPPES is 4590 Nash Way, Mailstop: 90-29-928, St. Louis, MO 63110.
- What is Margaret Hua's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hua is (314) 747-3000.
- Does Margaret Hua accept Medicare?
- Margaret Hua is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Hua's NPI active?
- Yes — Margaret Hua's NPI (1861381659) is active in the NPPES registry as of the last update on 2025-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.