Khin Khin Oo, MD
Internal Medicine Physician · Pasadena, CA
Khin Khin Oo, MD is an internal medicine physician with a practice address in Pasadena, California, and NPI 1588638043, issued on Feb 13, 2006. Check the license (California A56521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Khin Khin Oo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A56521 CA
Self-reported in NPPES; status is on the state search - Practice location
- 238 S Arroyo Pkwy, Pasadena, CA 91105
- Phone
- (626) 744-9290
- Enumerated
- Feb 13, 2006
- Record last updated
- Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (626) 744-9276
- Medicare enrollment
- Enrolled (PECOS I20070516000525); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 238 S Arroyo Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Lue, MDBody Imaging Physician1619141223
Verify Khin Khin Oo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A56521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average internal medicine physician in 2024
5,669 Medicare Part D claims for 344 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 13 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium493 claims
- Amlodipine Besylate321 claims
- Levothyroxine Sodium268 claims
- Atorvastatin Calcium255 claims
- Olmesartan Medoxomil209 claims
- Metformin Hcl154 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,407.93
43 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Khin Khin Oo among 17,696 internal medicine physician records in California
Khin Khin Oo, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
137 internal medicine physician records list a practice address in Pasadena
They are 137 of the 10,525 NPPES records with a practice address in Pasadena, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Pasadena → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Wei Huang-Lee, MDPasadena, CA 911051972576841
- George Jung, MDPasadena, CA 911051720051881
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Common questions
What is Khin Khin Oo, MD's NPI number?
Khin Khin Oo, MD's National Provider Identifier (NPI) is 1588638043, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Khin Khin Oo, MD located?
The NPPES record lists a practice address at 238 S Arroyo Pkwy, Pasadena, CA, 91105. Phone: (626) 744-9290. Providers update this record themselves, so call before visiting.
How can I verify Khin Khin Oo, MD's license?
NPPES lists California license number A56521, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Khin Khin Oo, MD prescribe under Medicare Part D?
In 2024, Khin Khin Oo, MD had 5,669 Medicare Part D claims for 344 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.