NPPES file of Aug 9, 2026

Lawrence Dana Piazza, M.D.

Occupational Medicine Physician · Richmond, CA

Lawrence Dana Piazza, M.D. is an occupational medicine physician with a practice address in Richmond, California, and NPI 1124168760, issued on Feb 6, 2007. Check the license (California G59820, 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
1124168760
Name
Lawrence Dana Piazza
Credential
M.D.
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
G59820 CA
Self-reported in NPPES; status is on the state search
Practice location
2970 Hilltop Mall RD, Richmond, CA 94806
Phone
(510) 222-8000
Enumerated
Feb 6, 2007
Record last updated
Nov 22, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(510) 222-2690
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 occupational medicine physician records → All 415 in California → Look up another NPI →

Also registered at 2970 Hilltop Mall RD

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

  1. William Boyd, M.D.Pediatrics Physician1760535850
  2. Jonathan Chow, DPTPhysical Therapist1023407525
  3. Howard Davis, CPOProsthetics Case Management1659454510
  4. Lisa Davis, PA-CPhysician Assistant1972540599
  5. Carlos De LeonBehavior Technician1831764067
  6. Brian Demain, CPOProsthetics Case Management1922181882

Verify Lawrence Dana Piazza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G59820    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

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Industry payments in 2024: $137.92

1 payment: food and beverage; the largest payer was Johnson & Johnson Surgical Vision, Inc. The 193 providers of this specialty with any payment received $2,381.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lawrence Piazza$137.92
  2. Specialty average$2,381.67

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

Lawrence Dana Piazza among 415 occupational medicine physician records in California

Lawrence Dana Piazza, M.D. is one of 415 occupational medicine physician 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 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 31% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 12% of these records are
  • Record last updated2009 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Medicine Physician providers in California

There are 415 occupational medicine physician records in California.

All 415 in California → Every provider in Richmond → Occupational Medicine Physician nationwide →

The 8 occupational medicine physician records with the nearest ZIP codes

  1. Roman Kownacki, MDRichmond, CA 948011730264409
  2. Alina Walasek, M.D.Richmond, CA 948011790893378
  3. Michael Zhang, MDRichmond, CA 948011053632521
  4. William Pereira, MDBerkeley, CA 947201437485133
  5. David Rempel, MDBerkeley, CA 947201598720666
  6. Sarah BodeSan Rafael, CA 949031306331608
  7. Wendy Shearn, MDSan Rafael, CA 949031447300256
  8. Samuel Walters, MDSan Rafael, CA 949031790869782

Common questions

What is Lawrence Dana Piazza, M.D.'s NPI number?

Lawrence Dana Piazza, M.D.'s National Provider Identifier (NPI) is 1124168760, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence Dana Piazza, M.D. located?

The NPPES record lists a practice address at 2970 Hilltop Mall RD, Richmond, CA, 94806. Phone: (510) 222-8000. Providers update this record themselves, so call before visiting.

How can I verify Lawrence Dana Piazza, M.D.'s license?

NPPES lists California license number G59820, 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. 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.