DR. SUNNY SHANG LOU MD
NPI 1477073583
Anesthesiology in Saint Louis, MO
About Dr. Sunny Shang Lou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUNNY SHANG LOU MD (NPI 1477073583) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2021048714) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Stanford University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Sunny Shang Lou Md 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 Reassignment
Medicare enrollment records show Sunny Lou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 405 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Sunny Lou's NPI number?
The NPI number for Sunny Lou is 1477073583. It was assigned to this individual provider in the NPPES registry on June 21, 2017.
Where is Sunny Lou located?
Sunny Lou practices at 1 Barnes Jewish Hospital Plz Dept Anesthesiology, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.
What is Sunny Lou's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sunny Lou enrolled in Medicare?
Yes. Sunny Lou 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 organization bills Medicare for Sunny Lou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sunny Lou reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Sunny Lou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sunny Lou affiliated with any hospitals?
According to CMS data, Sunny Lou is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Sunny Lou was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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. Sunny Shang Lou, MD · NPI 1477073583
Anesthesiology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 21, 2017.
## Identity
- **NPI:** 1477073583 (Entity type: Individual)
- **Enumerated:** June 21, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2021048714 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY, Saint Louis, MO 63110-1003
- **Phone:** (800) 862-9980 · **Fax:** (314) 362-1185
## 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:** Washington University (NPI 1528005642, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200062756 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1477073583) · Data from the CMS NPPES public registry.