NPPES file of Aug 9, 2026

Eugene D. Dellamaggiore, M.D.

Orthopaedic Surgery Physician · San Jose, CA

Eugene D. Dellamaggiore, M.D. is an orthopaedic surgery physician with a practice address in San Jose, California, and NPI 1457423147, issued on Nov 15, 2006. Check the license (California G77645, 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
1457423147
Name
Eugene D. Dellamaggiore
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
G77645 CA
Self-reported in NPPES; status is on the state search
Practice location
333 Oconnor Dr, San Jose, CA 95128
Phone
(408) 297-3484
Enumerated
Nov 15, 2006
Record last updated
Nov 18, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(408) 292-6481
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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Also registered at 333 Oconnor Dr

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

  1. Julie Cragholm, PA-CSurgical Physician Assistant1356582084
  2. Wendy Flapan, DOPhysical Medicine & Rehabilitation Physician1588741433
  3. Stephanie StarrittPhysician Assistant1891090478

Verify Eugene D. Dellamaggiore in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G77645
    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: $20.80

1 payment: food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eugene Dellamaggiore$21
  2. Specialty average$23,023

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

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

Other orthopaedic surgery physician records in California

  1. Karim Abdollahi, M.D.Laguna Beach, CA1942240403
  2. Michael Abdulian, MDGlendale, CA1649469628
  3. Hussein Abdulrassoul, MDRiverside, CA1972123891
  4. Douglas Abeles, MDCastro Valley, CA1508961582
  5. Anthony Abene, MDSan Jose, CA1457437964
  6. Torgom Abraamyan, M.D.Van Nuys, CA1013370410
  7. Monther AbuhantashSan Francisco, CA1447041512
  8. Joshua Acebo, MDPalo Alto, CA1396373734
  9. Daniel Acevedo, M.D.Thousand Oaks, CA1184856122
  10. John Adams, MDLos Angeles, CA1215914114

Common questions

What is Eugene D. Dellamaggiore, M.D.'s NPI number?

Eugene D. Dellamaggiore, M.D.'s National Provider Identifier (NPI) is 1457423147, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eugene D. Dellamaggiore, M.D. located?

The NPPES record lists a practice address at 333 Oconnor Dr, San Jose, CA, 95128. Phone: (408) 297-3484. Providers update this record themselves, so call before visiting.

How can I verify Eugene D. Dellamaggiore, M.D.'s license?

NPPES lists California license number G77645, 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.

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.