NPPES file of Aug 9, 2026

Tadd Scott Lazarus, M.D.

Internal Medicine Physician · San Diego, CA

Tadd Scott Lazarus, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1801919832, issued on Apr 6, 2007. Check the license on the Medical Board of California; 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
1801919832
Name
Tadd Scott Lazarus
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
176336-1 NY
Self-reported in NPPES; status is on the state search
Practice location
10210 Genetic Center Dr, San Diego, CA 92121
Phone
(858) 410-8086
Enumerated
Apr 6, 2007
Record last updated
Jan 26, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(858) 410-8190
Medicaid ID
01277334 NY
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 Tadd Scott Lazarus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

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Tadd Scott Lazarus among 17,696 internal medicine physician records in California

Tadd Scott Lazarus, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Steve Chen, MDSan Diego, CA 921211457385759
  2. Sandra Coufal, M.D.San Diego, CA 921211629285408
  3. Charmaine Gutjahr, MDSan Diego, CA 921211396949665
  4. Neil Hirschenbein, M.D.,PHDSan Diego, CA 921211457570889
  5. Anil Keswani, MDSan Diego, CA 921211952320301
  6. Robert Morehead, MDSan Diego, CA 921211801069513
  7. Eric Pan, M.D.San Diego, CA 921211285820142
  8. Mary Pikus, M.D.San Diego, CA 921211548370596

Common questions

What is Tadd Scott Lazarus, M.D.'s NPI number?

Tadd Scott Lazarus, M.D.'s National Provider Identifier (NPI) is 1801919832, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tadd Scott Lazarus, M.D. located?

The NPPES record lists a practice address at 10210 Genetic Center Dr, San Diego, CA, 92121. Phone: (858) 410-8086. Providers update this record themselves, so call before visiting.

How can I verify Tadd Scott Lazarus, M.D.'s license?

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.

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.