MICHAEL TIANHAO OU
NPI 1801366836
Student in an Organized Health Care Education/Training Program in Baltimore, MD
About Michael Tianhao Ou NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL TIANHAO OU (NPI 1801366836) is an individual student in an organized health care education/training program in Baltimore, Maryland and active in the NPI registry since December 2018. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
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
Michael Tianhao Ou 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 Michael Ou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Michael Ou's NPI number?
The NPI number for Michael Ou is 1801366836. It was assigned to this individual provider in the NPPES registry on December 3, 2018.
Where is Michael Ou located?
Michael Ou practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Michael Ou's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Michael Ou enrolled in Medicare?
Yes. Michael Ou 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 Michael Ou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ou reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Michael Ou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Ou was last updated on December 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Michael Tianhao Ou · NPI 1801366836
Student in an Organized Health Care Education/Training Program provider in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since December 3, 2018.
## Identity
- **NPI:** 1801366836 (Entity type: Individual)
- **Enumerated:** December 3, 2018
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-5000
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** December 3, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1801366836) · Data from the CMS NPPES public registry.