NPPES file of Aug 9, 2026

Haini Liao, M.D.

Geriatric Medicine (Internal Medicine) Physician · Sunnyvale, CA

Haini Liao, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Sunnyvale, California, and NPI 1235490988, issued on May 30, 2012. Check the license (California A143026, 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
1235490988
Name
Haini Liao
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A143026 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Old San Francisco RD, Sunnyvale, CA 94086
Phone
(650) 934-7000
Enumerated
May 30, 2012
Record last updated
Jul 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160913001505); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 301 Old San Francisco RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zubia Ahmad, MDInternal Medicine Physician1265879522
  2. Syed Salman Ali, MDInternal Medicine Physician1740621671
  3. Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
  4. Aisha AminInternal Medicine Physician1013440981
  5. Joyce Ang, MDPediatrics Physician1346634698
  6. Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709

Verify Haini Liao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A143026    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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76% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,005 Medicare Part D claims for 88 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Haini Liao1,005
  2. Specialty average4,246

Most prescribed

  1. Mirtazapine43 claims
  2. Amlodipine Besylate37 claims
  3. Duloxetine Hcl30 claims
  4. Levothyroxine Sodium30 claims
  5. Pantoprazole Sodium29 claims
  6. Losartan Potassium27 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

  1. Sutter Bay Medical FoundationSan Carlos, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Haini Liao among 532 geriatric medicine (internal medicine) physician records in California

Haini Liao, 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 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1999 · 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 Sunnyvale → Geriatric Medicine (Internal Medicine) Physician nationwide →

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

  1. Woody ChangSunnyvale, CA 940861295153187
  2. Sangeeta Kopardekar, MDSunnyvale, CA 940861568561157
  3. Pooja MathewSunnyvale, CA 940861811579279
  4. Jessica Phan, MDSunnyvale, CA 940861902484280
  5. Megha Pokhriyal, DOSunnyvale, CA 940851639708670
  6. Silbey Mui, MDSouth San Francisco, CA 940801346390143
  7. Maung Tin, MDSouth San Francisco, CA 940801003015215
  8. Qingping Wang, M.D., PH.D.South San Francisco, CA 940801104818590

Common questions

What is Haini Liao, M.D.'s NPI number?

Haini Liao, M.D.'s National Provider Identifier (NPI) is 1235490988, issued on May 30, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Haini Liao, M.D. located?

The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (650) 934-7000. Providers update this record themselves, so call before visiting.

How can I verify Haini Liao, M.D.'s license?

NPPES lists California license number A143026, 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 Haini Liao, M.D. prescribe under Medicare Part D?

In 2024, Haini Liao, M.D. had 1,005 Medicare Part D claims for 88 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.