NPPES file of Aug 9, 2026

Ken H. Liu, M.D.,

Obstetrics & Gynecology Physician · Mountain View, CA

Ken H. Liu, M.D., is an obstetrics & gynecology physician with a practice address in Mountain View, California, and NPI 1437242278, issued on Oct 2, 2006. Check the license (California A41447, 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
1437242278
Name
Ken H. Liu
Credential
M.D.,
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A41447 CA
Self-reported in NPPES; status is on the state search
Practice location
2485 Hospital Dr, Mountain View, CA 94040
Phone
(650) 988-7588
Enumerated
Oct 2, 2006
Record last updated
Jan 4, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(650) 988-7592
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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Also registered at 2485 Hospital Dr

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

  1. Alice Adams, CLDDoula1174218259
  2. Alok Bansal, M.D.Ophthalmology Physician1568646776
  3. Charles Barrett, M.D.Specialist1316010556
  4. Bruce Bienenstock, M.D.Psychiatry Physician1790733665
  5. Edwin Boldrey, MDOphthalmology Physician1801880745
  6. Jesus Borrillo, MDOphthalmology Physician1861487100

Verify Ken H. Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A41447
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

27 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ken Liu27
  2. Specialty average165

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.

Ken H. Liu among 5,088 obstetrics & gynecology physician records in California

Ken H. Liu, M.D., is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2017 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

49 obstetrics & gynecology physician records list a practice address in Mountain View

They are 49 of the 2,467 NPPES records with a practice address in Mountain View, and 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Holly Beeman, MDMountain View, CA 940401447232210
  2. Un Hui Har, M.D.Mountain View, CA 940401861593253
  3. Richard Hill, MDMountain View, CA 940401568579878
  4. Catherine HillMountain View, CA 940401326155656
  5. Jenny-Jean Hua, MDMountain View, CA 940401740397074
  6. Takeshi Inouye, MDMountain View, CA 940401386751626
  7. Nina Jaki, MDMountain View, CA 940401982711222
  8. Yin Lim, MDMountain View, CA 940401306854526

Common questions

What is Ken H. Liu, M.D.,'s NPI number?

Ken H. Liu, M.D.,'s National Provider Identifier (NPI) is 1437242278, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ken H. Liu, M.D., located?

The NPPES record lists a practice address at 2485 Hospital Dr, Mountain View, CA, 94040. Phone: (650) 988-7588. Providers update this record themselves, so call before visiting.

How can I verify Ken H. Liu, M.D.,'s license?

NPPES lists California license number A41447, 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 Ken H. Liu, M.D., prescribe under Medicare Part D?

In 2024, Ken H. Liu, M.D., had 27 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.