Wesley Woo, M.D.
Geriatric Medicine (Internal Medicine) Physician · La Canada, CA
Wesley Woo, M.D. is a geriatric medicine (internal medicine) physician with a practice address in La Canada, California, and NPI 1629271879, issued on Jun 6, 2007. Check the license (California A88816, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wesley Woo
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A88816 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1029 White Deer Dr, La Canada, CA 91011
- Phone
- (818) 468-4145
- Enumerated
- Jun 6, 2007
- Record last updated
- Nov 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081016000230); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Verify Wesley Woo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
480 Medicare Part D claims for 159 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 183 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen60 claims
- Morphine Sulfate Er23 claims
- Mirtazapine22 claims
- Gabapentin20 claims
- Hydromorphone Hcl17 claims
- Buprenorphine16 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wesley Woo among 532 geriatric medicine (internal medicine) physician records in California
Wesley Woo, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2003 · median 1999 among the 271 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in La Canada → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Zaw Min, M.D.Arcadia, CA 910071952410052
- Wayne Flicker, M.D.Arcadia, CA 910061316909179
- Stephen Henry, M.D.Pasadena, CA 911041811925183
- Linda Aoyama, M.D.Pasadena, CA 911051760458533
- Norman Chien, MDPasadena, CA 911051184696999
- Steven Doan, M.D.Pasadena, CA 911051366516478
- Arbis Rojas, MDPasadena, CA 911051235460510
- Theresa WongPasadena, CA 911051215469176
Common questions
What is Wesley Woo, M.D.'s NPI number?
Wesley Woo, M.D.'s National Provider Identifier (NPI) is 1629271879, issued on Jun 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wesley Woo, M.D. located?
The NPPES record lists a practice address at 1029 White Deer Dr, La Canada, CA, 91011. Phone: (818) 468-4145. Providers update this record themselves, so call before visiting.
How can I verify Wesley Woo, M.D.'s license?
NPPES lists California license number A88816, 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 Wesley Woo, M.D. prescribe under Medicare Part D?
In 2024, Wesley Woo, M.D. had 480 Medicare Part D claims for 159 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.