NPPES file of Aug 9, 2026

Daphne Tak Wai Lo, MD

Geriatric Medicine (Internal Medicine) Physician · San Mateo, CA

Daphne Tak Wai Lo, MD is a geriatric medicine (internal medicine) physician with a practice address in San Mateo, California, and NPI 1730470121, issued on Apr 20, 2011. Check the license (California A130632, as entered in NPPES) on the Medical Board of California; 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
1730470121
Name
Daphne Tak Wai Lo
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A130632 CA
Self-reported in NPPES; status is on the state search
Practice location
117 N San Mateo Dr Ste 1, San Mateo, CA 94401
Phone
(650) 425-9408
Enumerated
Apr 20, 2011
Record last updated
Aug 18, 2022
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 Daphne Tak Wai Lo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A130632
    Check 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
Open the California license search

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98% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

94 Medicare Part D claims for 22 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Daphne Lo94
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium21 claims
  2. Fluticasone Propionate13 claims
  3. Trazodone Hcl12 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.

Daphne Tak Wai Lo among 532 geriatric medicine (internal medicine) physician records in California

Daphne Tak Wai Lo, MD 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 2011, is newer than 74% of them.

  • NPI issued2011 · 74% of these records are older, 25% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2022 · 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.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Diana Jao, MDSan Mateo, CA 944031780683789
  2. Shelley Salpeter, MDSan Mateo, CA 944031770688848
  3. Monique Yohanan, M.D.San Mateo, CA 944031700801560
  4. Arthur Small, M.D.Palo Alto, CA 943061568711430
  5. Julianna Marwell, M.D.Stanford, CA 943051508128075
  6. Ria Paul, M. D.Stanford, CA 943051649293176
  7. Sarah Samandary, M.D.Stanford, CA 943051841723749
  8. Meera Sheffrin, M.D.Stanford, CA 943051366755423

Common questions

What is Daphne Tak Wai Lo, MD's NPI number?

Daphne Tak Wai Lo, MD's National Provider Identifier (NPI) is 1730470121, issued on Apr 20, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Daphne Tak Wai Lo, MD located?

The NPPES record lists a practice address at 117 N San Mateo Dr Ste 1, San Mateo, CA, 94401. Phone: (650) 425-9408. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A130632, 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 Daphne Tak Wai Lo, MD prescribe under Medicare Part D?

In 2024, Daphne Tak Wai Lo, MD had 94 Medicare Part D claims for 22 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.