NPPES file of Aug 9, 2026

Allan David Tobias, MD JD

Urology Physician · Walnut Creek, CA

Allan David Tobias, MD JD is a urology physician with a practice address in Walnut Creek, California, and NPI 1912934993, issued on Jun 27, 2006. Check the license (California G10106, 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
1912934993
Name
Allan David Tobias
Credential
MD JD
Primary taxonomy
Urology Physician 208800000X
License number
G10106 CA
Self-reported in NPPES; status is on the state search
Practice location
909 Wiget Lane, Walnut Creek, CA 94598
Phone
(925) 935-5517
Enumerated
Jun 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Verify Allan David Tobias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G10106
    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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98% fewer Medicare Part D claims than the average urology physician in 2024

29 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Allan Tobias29
  2. Specialty average1,340

Most prescribed

  1. Jardiance12 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.

Allan David Tobias among 1,524 urology physician records in California

Allan David Tobias, MD JD is one of 1,524 urology physician records with a practice address in California. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 51% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

The 8 urology physician records with the nearest ZIP codes

  1. Brian Hopkins, MDWalnut Creek, CA 945981891793980
  2. Kenneth Hsiao, MDWalnut Creek, CA 945981265427975
  3. John Roberts, MDWalnut Creek, CA 945981861481004
  4. Parminder Sethi, M.D.Walnut Creek, CA 945981023041464
  5. Andrew Smith, M.D.Walnut Creek, CA 945981174793806
  6. Alexis Wang, MDWalnut Creek, CA 945981538663638
  7. Amir Arsanjani, MDWalnut Creek, CA 945961154486793
  8. Andrew Chen, M.D.Walnut Creek, CA 945961811039480

Common questions

What is Allan David Tobias, MD JD's NPI number?

Allan David Tobias, MD JD's National Provider Identifier (NPI) is 1912934993, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allan David Tobias, MD JD located?

The NPPES record lists a practice address at 909 Wiget Lane, Walnut Creek, CA, 94598. Phone: (925) 935-5517. Providers update this record themselves, so call before visiting.

How can I verify Allan David Tobias, MD JD's license?

NPPES lists California license number G10106, 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 Allan David Tobias, MD JD prescribe under Medicare Part D?

In 2024, Allan David Tobias, MD JD had 29 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.