NPPES file of Aug 9, 2026

Robert Lionel Jack, M.D.

Specialist · Menlo Park, CA

Robert Lionel Jack, M.D. is a specialist with a practice address in Menlo Park, California, and NPI 1376601443, issued on Dec 4, 2006. Check the license (California G17236, as entered in NPPES) with the California board that licenses this profession; 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
1376601443
Name
Robert Lionel Jack
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G17236 CA
Self-reported in NPPES; status is on the state search
Practice location
1225 Crane St, Menlo Park, CA 94025
Phone
(650) 323-0231
Enumerated
Dec 4, 2006
Record last updated
Jan 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(650) 565-8297
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 1225 Crane St

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

  1. Debra Alvarado, MPTPhysical Therapist1871731349
  2. Valerie Bartlett, MSPTPhysical Therapist1790924140
  3. Elizabeth Beheler, MPTOrthopedic Physical Therapist1689715468
  4. Winifred Burns, PTPhysical Therapist1487846531
  5. Bao Chang, M.D.Psychiatry Physician1508068156
  6. Daniel Cole, M.D.Psychiatry Physician1407057987

Verify Robert Lionel Jack 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 G17236    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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Industry payments in 2024: $25.97

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Jack$25.97
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Robert Lionel Jack among 5,749 specialist records in California

Robert Lionel Jack, 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. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2012 · 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).

16 specialist records list a practice address in Menlo Park

They are 16 of the 1,265 NPPES records with a practice address in Menlo Park, and 5,749 specialist records in California.

All 5,749 in California → Every provider in Menlo Park → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Brenda Barrios, MS, CTRSMenlo Park, CA 940251023029709
  2. Jodie Bogomilsky, M.D.Menlo Park, CA 940251104849710
  3. Kim Fliege, OTR/LMenlo Park, CA 940251578912978
  4. William Gould, M.D.Menlo Park, CA 940251689893703
  5. Elizabeth Gould, M.D.Menlo Park, CA 940251063631190
  6. Shawna Hill, CTRSMenlo Park, CA 940251730296187
  7. Reed Kaplan, M.D.Menlo Park, CA 940251548476302
  8. Lukachukwu Ojemaye, D.P.TMenlo Park, CA 940251861851214

Common questions

What is Robert Lionel Jack, M.D.'s NPI number?

Robert Lionel Jack, M.D.'s National Provider Identifier (NPI) is 1376601443, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Lionel Jack, M.D. located?

The NPPES record lists a practice address at 1225 Crane St, Menlo Park, CA, 94025. Phone: (650) 323-0231. Providers update this record themselves, so call before visiting.

How can I verify Robert Lionel Jack, M.D.'s license?

NPPES lists California license number G17236, 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. 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.