NPPES file of Aug 9, 2026

Robert Marshall Lowen, MD

Specialist · Mountain View, CA

Robert Marshall Lowen, MD is a specialist with a practice address in Mountain View, California, and NPI 1659452787, issued on Oct 17, 2006. Check the license (California G23412, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1659452787
Name
Robert Marshall Lowen
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
G23412 CA
Self-reported in NPPES; status is on the state search
Practice location
305 South Dr, Mountain View, CA 94040
Phone
(650) 965-7888
Enumerated
Oct 17, 2006
Record last updated
Jan 20, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(650) 965-0147
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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 305 South Dr

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

  1. Brooke Dix, DPMFoot & Ankle Surgery Podiatrist1790030393
  2. Ronald Hoffman, M.D.Adult Medicine Physician1700943842
  3. Maciej KieturakisSurgery Physician1134210008
  4. Daniel Nelson, D.D.S.Periodontics1619120037
  5. Raymond Shaheen, M.D., F.A.C.S.Vascular Surgery Physician1114997434
  6. Yueru Wu, LACAcupuncturist1093938649

Verify Robert Marshall Lowen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G23412    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
Find the California license search

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Robert Marshall Lowen among 5,749 specialist records in California

Robert Marshall Lowen, MD 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2010 · 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

  1. Ramtin Agah, M.D.Mountain View, CA 940401255326310
  2. Charles Barrett, M.D.Mountain View, CA 940401316010556
  3. Dominick Curatola, M.D.Mountain View, CA 940401730182643
  4. David Francisco, MD., PH.D.Mountain View, CA 940401326072885
  5. Jean Gordon, M.D.,PH.D.Mountain View, CA 940401306920822
  6. Robert Liner, M.D.Mountain View, CA 940401629267117
  7. William McCallum, M.D.Mountain View, CA 940401508978024
  8. Douglas McNeil, M.D.Mountain View, CA 940401841363934

Common questions

What is Robert Marshall Lowen, MD's NPI number?

Robert Marshall Lowen, MD's National Provider Identifier (NPI) is 1659452787, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Marshall Lowen, MD located?

The NPPES record lists a practice address at 305 South Dr, Mountain View, CA, 94040. Phone: (650) 965-7888. Providers update this record themselves, so call before visiting.

How can I verify Robert Marshall Lowen, MD's license?

NPPES lists California license number G23412, 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.

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.