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Chyi Hsieh, MD
NPI 1861418188 · Rheumatology Physician · Saint Louis, MO
Chyi Hsieh, MD is a Rheumatology Physician provider in Saint Louis, MO (NPI 1861418188).
Provider details
- NPI number
- 1861418188
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2005031800 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
4921 Parkview Pl
Div Im Rheumatology, Ste 5c
Saint Louis, MO 63110-1032
Phone: (314) 286-2635
Fax: (314) 286-2338
Street-level locationGet directions
Mailing address
660 S Euclid Ave
Saint Louis, MO 63110-1010
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2021-11-15
Frequently asked questions
- What is Chyi Hsieh's NPI number?
- Chyi Hsieh's National Provider Identifier (NPI) is 1861418188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chyi Hsieh's specialty?
- Chyi Hsieh is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Chyi Hsieh located?
- Chyi Hsieh's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Chyi Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Chyi Hsieh is (314) 286-2635.
- Is Chyi Hsieh's NPI active?
- Yes — Chyi Hsieh's NPI (1861418188) is active in the NPPES registry as of the last update on 2021-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.