DR. ENQUAN GAO M.D.
NPI 1295051548
Psychiatry & Neurology - Psychiatry in Saint Louis, MO
About Dr. Enquan Gao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ENQUAN GAO M.D. (NPI 1295051548) is an individual psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2014009032) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Enquan Gao M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Enquan Gao reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 28 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 261 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 562 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOMercy Hospital Jefferson
Acute Care Hospitals · Festus, MOMercy Hospital Springfield
Acute Care Hospitals · Springfield, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Enquan Gao's NPI number?
The NPI number for Enquan Gao is 1295051548. It was assigned to this individual provider in the NPPES registry on April 12, 2010.
Where is Enquan Gao located?
Enquan Gao practices at 815 Renee Ln, Saint Louis, MO 63141. The listed phone number is (314) 933-6142.
What is Enquan Gao's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Enquan Gao enrolled in Medicare?
Yes. Enquan Gao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Enquan Gao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Enquan Gao reassigns Medicare benefits to 7 organizations: Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, MO), Mercy East Support Services, LLC (Saint Louis, MO), Mercy Aco Clinical Services Inc (Chesterfield, MO), St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO), Mercy Clinic Adult Hospitalists- Jefferson, LLC (Festus, MO) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Enquan Gao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Enquan Gao accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company and UnitedHealthcare list Enquan Gao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Enquan Gao affiliated with any hospitals?
According to CMS data, Enquan Gao is affiliated with Mercy Hospital St Louis, Mercy Hospital Jefferson, Mercy Hospital Springfield and Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Enquan Gao was last updated on July 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Enquan Gao, M.D. · NPI 1295051548
Psychiatry physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 12, 2010.
## Identity
- **NPI:** 1295051548 (Entity type: Individual)
- **Enumerated:** April 12, 2010
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 2014009032 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 815 RENEE LN, Saint Louis, MO 63141-7642
- **Phone:** (314) 933-6142
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO); Mercy East Support Services, LLC (NPI 1225382013, Saint Louis, MO); Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO); St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Clinic Adult Hospitalists- Jefferson, LLC (NPI 1083052492, Festus, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** July 13, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1295051548) · Data from the CMS NPPES public registry.