Dr. Theingi Oo, MD
- Medicare services, 2024
- 1,870
- Medicare patients, 2024
- 260
- Part D claims, 2024
- 221
- Hospital affiliations
- 2
- Industry payments
- $611
- Practice address
- 1720 Cesar E Chavez Avenue, Los Angeles, CA 90033
- Practice phone
- Call (323) 268-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Oo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Theingi Oo is an internist in Los Angeles, California
Dr. Oo practices at Adventist Health White Memorial in Los Angeles, California, part of Adventist Health.
Dr. Oo's NPI, 1366637407, was assigned on September 12, 2007. Dr. Oo graduated from University Institute of Medicine 1 in 2000. Dr. Oo's California license number on file is A104545.
- NPI
- 1366637407NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274673603
- NPI enumeration date
- September 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 268-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Theingi Oo practices at Adventist Health White Memorial in Los Angeles, California
Dr. Oo's primary practice is Adventist Health White Memorial, at 1720 Cesar E Chavez Avenue, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 268-5000.
- Adventist Health White Memorial1720 Cesar E Chavez Avenue, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 268-5000
Source: Dmand AI Affiliation Data
Dr. Theingi Oo is affiliated with 4 sites of care
Dr. Oo's primary practice is Adventist Health White Memorial in Los Angeles, California, part of Adventist Health. Dr. Oo is also affiliated with CHA Hollywood Presbyterian Medical Center. Dmand AI also links Dr. Oo to 1 more physician office and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Theingi Oo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health White Memorial | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Theingi Oo is one of 16,751 internists in California
Internal medicine is Dr. Oo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Oo is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Oo's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Florida license
Internists near Dr. Oo
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Theingi Oo billed Medicare for 1,870 services in 2024
CMS data shows 1,870 Medicare services from Dr. Oo across 2 procedure codes in 2024, for 260 Medicare patients. Medicare paid $173,560 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2372024: 1,87016%
Dr. Oo compared with the California median for internists, 2024
- Dr. Oo
- California median
- Medicare services
- 1,870vs 3615.2 times
- Medicare patients
- 260vs 15172% above
- Part D claims
- 165vs 42161% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Oo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Oo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oo and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Theingi Oo treated 260 Medicare patients in 2024, average age 74
CMS counts 260 Medicare patients who saw Dr. Oo in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 90% are also on Medicaid. Their average risk score is 4.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Oo's median patient age at 62, with 44% women.
Dr. Oo's Medicare patients by age, 2024
Dr. Oo's Medicare patients by sex, 2024
- Women12347%
- Men13753%
Chronic conditions among Dr. Oo's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure74%
- Ischemic heart disease60%
- Arthritis56%
- Mood disorders47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Theingi Oo wrote 221 Medicare Part D claims in 2024
In 2024, Dr. Oo wrote 221 Medicare Part D claims for 77 patients. 90% of them were for generic drugs. CMS names the drug for 165 of them, across 8 drugs with 11 or more claims each, at $38,276 in total drug cost. In 2023, CMS named 59 claims across 3 drugs.
Dr. Oo's Part D claims by kind of drug, 2024
- Generic199 claims90%
- Brand-name and other22 claims10%
Dr. Oo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Oo's Part D claims, 2024
- Antibiotics88%195 of 221 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 592024: 165180%
Drugs named by CMS: 8 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Theingi Oo takes part in Medicare
Dr. Oo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Theingi Oo received $611 in industry payments from 2016 to 2020
CMS Open Payments shows 27 general payments to Dr. Oo from 8 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 84% of the total. Janssen Pharmaceuticals, Inc paid the most, $276.
General payments to Dr. Oo by program year, 2016 to 2020
General payments to Dr. Oo by kind, 2016 to 2020
- Food and beverage$51184%
- Education$10016%
Companies that paid Dr. Oo the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Theingi Oo graduated from University Institute of Medicine 1
Dr. Oo graduated from University Institute of Medicine 1 in 2000.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Theingi Oo accepts plans from 9 insurance carriers
Dr. Oo is in network with 9 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Regence Health Plans. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Aetna
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- +1 more carriersWith a free account
Plan types Dr. Oo accepts, by number of carriers
- Medicare4
- PPO4
- HMO3
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Theingi Oo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Theingi Oo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Theingi Oo's NPI number?
Dr. Theingi Oo's NPI number is 1366637407. It was assigned on September 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Theingi Oo?
Dr. Theingi Oo is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Theingi Oo practice?
Dr. Oo practices at 1720 Cesar E Chavez Avenue, Los Angeles, CA 90033. Dr. Oo's primary practice is Adventist Health White Memorial in Los Angeles, California, part of Adventist Health. Dmand AI also links Dr. Oo to 1 physician office and 1 ambulatory surgery center.
What is Dr. Theingi Oo's office phone number?
The practice phone on file for Dr. Oo is (323) 268-5000.
What is Dr. Theingi Oo's medical license number?
Dr. Oo's California license number on file is A104545, one of the licenses on file in 2 states.
Which states has Dr. Theingi Oo been licensed in?
Dmand AI has state licenses on file for Dr. Oo in California (2008 to 2025) and Florida (2007 to 2011).
Which hospitals is Dr. Theingi Oo affiliated with?
Dr. Oo practices at Adventist Health White Memorial in Los Angeles, California. Dr. Oo is also affiliated with CHA Hollywood Presbyterian Medical Center.
Does Dr. Theingi Oo accept Medicare?
Yes. CMS data shows Dr. Oo billed Medicare for 1,870 services in 2024, and Dr. Oo accepts Medicare assignment.
How many Medicare patients does Dr. Theingi Oo see?
CMS counts 260 Medicare patients who saw Dr. Oo in 2024, with an average age of 74.
Is Dr. Theingi Oo board certified?
Yes. Dr. Oo is board certified in infectious disease by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Theingi Oo bill to Medicare?
In 2024, Dr. Oo's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Theingi Oo go to medical school?
Dr. Oo graduated from University Institute of Medicine 1 in 2000.
What drugs does Dr. Theingi Oo prescribe most?
In 2024 Medicare Part D data, Dr. Oo's most prescribed drugs by claims were Ertapenem, Meropenem and Ceftriaxone.
Has Dr. Theingi Oo received payments from drug or device companies?
CMS Open Payments shows $611 in general payments to Dr. Oo from 8 companies from 2016 to 2020. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Theingi Oo been practicing?
Dr. Oo graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Theingi Oo accept?
Dr. Oo is in network with 9 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Regence Health Plans. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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