NPPES file of Aug 9, 2026

Leigh I.g. Iverson, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oakland, CA

Leigh I.g. Iverson, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Oakland, California, and NPI 1871685867, issued on Sep 28, 2006. Check the license (California G14929, as entered in NPPES) 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
1871685867
Name
Leigh I.g. Iverson
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
G14929 CA
Self-reported in NPPES; status is on the state search
Practice location
3300 Webster St, Oakland, CA 94609
Phone
(510) 465-6600
Enumerated
Sep 28, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(510) 839-0806
Medicaid ID
00G149290 CA
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 thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →

Also registered at 3300 Webster St

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

  1. Robert Ansel, M.D.Neuromusculoskeletal Medicine & OMM Physician1114057296
  2. Linda Avery, PTPhysical Therapist1174530653
  3. Lisa Bailey, M.D.Specialist1861462251
  4. Amoreena Berg, MFTMarriage & Family Therapist1114254398
  5. Carolyn Bernstein, RN, NPAdult Health Nurse Practitioner1306146568
  6. Julie Billings, MDProcedural Dermatology Physician1801957584

Verify Leigh I.g. Iverson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G14929    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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Leigh I.g. Iverson among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California

Leigh I.g. Iverson, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% 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 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California

There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 634 in California → Every provider in Oakland → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Junaid Khan, M.D.Oakland, CA 946091750493466
  2. Barry Sheppard, MDOakland, CA 946091760574917
  3. Russell Stanten, M.D.Oakland, CA 946091740372770
  4. Hoang-Vu Tran, MDOakland, CA 946091679960892
  5. David Alyono, MDOakland, CA 946111235217035
  6. Simon Ashiku, MDOakland, CA 946111144302993
  7. Dennis Durzinsky, MDOakland, CA 946111346328135
  8. Steven Granelli, MDOakland, CA 946111952489726

Common questions

What is Leigh I.g. Iverson, M.D.'s NPI number?

Leigh I.g. Iverson, M.D.'s National Provider Identifier (NPI) is 1871685867, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leigh I.g. Iverson, M.D. located?

The NPPES record lists a practice address at 3300 Webster St, Oakland, CA, 94609. Phone: (510) 465-6600. Providers update this record themselves, so call before visiting.

How can I verify Leigh I.g. Iverson, M.D.'s license?

NPPES lists California license number G14929, 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.

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.