NPPES file of Aug 9, 2026

Ka Wai Lo, MD

Student in an Organized Health Care Education/Training Program · San Francisco, CA

Ka Wai Lo, MD is a student in an organized health care education/training program with a practice address in San Francisco, California, and NPI 1639753445, issued on May 7, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639753445
Name
Ka Wai Lo
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
4150 Clement St FL 3, San Francisco, CA 94121
Phone
(415) 221-4810
Enumerated
May 7, 2021
Record last updated
Feb 14, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Ka Wai Lo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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9% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

168 Medicare Part D claims for 35 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Ka Lo168
  2. Specialty average185

Most prescribed

  1. Atorvastatin Calcium25 claims
  2. Lisinopril17 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.

Ka Wai Lo among 40,652 student in an organized health care education/training program records in California

Ka Wai Lo, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 28% of them.

  • NPI issued2021 · 28% of these records are older, 66% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2025 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,035 student in an organized health care education/training program records list a practice address in San Francisco

They are 3,035 of the 38,143 NPPES records with a practice address in San Francisco, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Carlesia AzinheiraSan Francisco, CA 941211568698249
  2. Madelyn ChattonSan Francisco, CA 941211063663797
  3. Naomi ChauSan Francisco, CA 941211538376280
  4. Hiu Man Christine ChiuSan Francisco, CA 941211255560991
  5. Sanket Dhruva, M.D.San Francisco, CA 941211801024963
  6. Ayeh Ghadiri, DMDSan Francisco, CA 941211447487848
  7. Malin KimotoSan Francisco, CA 941211972754497
  8. Ethel La GuardiaSan Francisco, CA 941211174762439

Common questions

What is Ka Wai Lo, MD's NPI number?

Ka Wai Lo, MD's National Provider Identifier (NPI) is 1639753445, issued on May 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ka Wai Lo, MD located?

The NPPES record lists a practice address at 4150 Clement St FL 3, San Francisco, CA, 94121. Phone: (415) 221-4810. Providers update this record themselves, so call before visiting.

How can I verify Ka Wai Lo, MD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Ka Wai Lo, MD prescribe under Medicare Part D?

In 2024, Ka Wai Lo, MD had 168 Medicare Part D claims for 35 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.