Andy Chen, MD
NPI 1841870847 · Obstetrics & Gynecology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Chen, MD is a Obstetrics & Gynecology Physician provider in Saint Louis, MO (NPI 1841870847).
Provider details
- NPI number
- 1841870847
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 390200000X (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 355 Grand StJersey City, NJ 07302-4321Phone: (201) 915-2000
Registry dates
- Enumerated
- 2021-04-13
- Last updated
- 2025-05-21
- Certified
- 2025-05-21
Frequently asked questions
- What is Andy Chen's NPI number?
- Andy Chen's National Provider Identifier (NPI) is 1841870847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Chen's specialty?
- Andy Chen is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Andy Chen located?
- Andy Chen's practice location on file with NPPES is 1031 Bellevue Ave, Saint Louis, MO 63117-1818.
- What is Andy Chen's phone number?
- The practice phone number listed in the NPPES registry for Andy Chen is (314) 617-2000.
- Does Andy Chen accept Medicare?
- Andy Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Chen's NPI active?
- Yes — Andy Chen's NPI (1841870847) is active in the NPPES registry as of the last update on 2025-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.