Robert Irving Liner, M.D.
Specialist · Mountain View, CA
Robert Irving Liner, M.D. is a specialist with a practice address in Mountain View, California, and NPI 1629267117, issued on Oct 19, 2007. Check the license (California G21240, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Irving Liner
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G21240 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1580 W EL Camino Real, Mountain View, CA 94040
- Phone
- (650) 964-1505
- Enumerated
- Oct 19, 2007
- Record last updated
- Oct 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 964-1522
- Medicaid ID
- 00G212400 CA
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 1580 W EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Irving Liner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G21240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Irving Liner among 5,749 specialist records in California
Robert Irving Liner, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in Mountain View → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Ramtin Agah, M.D.Mountain View, CA 940401255326310
- Charles Barrett, M.D.Mountain View, CA 940401316010556
- Dominick Curatola, M.D.Mountain View, CA 940401730182643
- David Francisco, MD., PH.D.Mountain View, CA 940401326072885
- Jean Gordon, M.D.,PH.D.Mountain View, CA 940401306920822
- Robert Lowen, MDMountain View, CA 940401659452787
- William McCallum, M.D.Mountain View, CA 940401508978024
- Douglas McNeil, M.D.Mountain View, CA 940401841363934
Common questions
What is Robert Irving Liner, M.D.'s NPI number?
Robert Irving Liner, M.D.'s National Provider Identifier (NPI) is 1629267117, issued on Oct 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Irving Liner, M.D. located?
The NPPES record lists a practice address at 1580 W EL Camino Real, Mountain View, CA, 94040. Phone: (650) 964-1505. Providers update this record themselves, so call before visiting.
How can I verify Robert Irving Liner, M.D.'s license?
NPPES lists California license number G21240, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.