THEINGI OO MD INC
NPI 1114422722
Internal Medicine - Infectious Disease in Los Angeles, CA
About Theingi Oo Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THEINGI OO MD INC (NPI 1114422722) is a healthcare organization registered as an infectious disease in Los Angeles, California and active in the NPI registry since March 2018. The organization lists Theingi Oo, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Theingi Oo Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Theingi Oo MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Los Angeles, CA 90027
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Theingi Oo MD Inc's NPI number?
The NPI number for Theingi Oo MD Inc is 1114422722. It was assigned to this organization in the NPPES registry on March 26, 2018.
Where is Theingi Oo MD Inc located?
Theingi Oo MD Inc is located at 1300 N Vermont Ave, Los Angeles, CA 90027. The listed phone number is (213) 413-3000.
What is Theingi Oo MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Theingi Oo MD Inc enrolled in Medicare?
Yes. Theingi Oo MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Theingi Oo MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Infectious Disease) reassigns their Medicare billing to Theingi Oo MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Theingi Oo MD Inc was last updated on May 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Theingi Oo Md Inc · NPI 1114422722
Infectious Disease organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1114422722 (Entity type: Organization)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Organization subpart:** No
- **Authorized official:** Theingi Oo, PRESIDENT
## Practice location
- **Address:** 1300 N VERMONT AVE, Los Angeles, CA 90027-6098
- **Phone:** (213) 413-3000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Infectious Disease) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1114422722) · Data from the CMS NPPES public registry.