NPPES file of Aug 9, 2026

Mark Allan Silver, M.D.

Orthopaedic Surgery Physician · Downey, CA

Mark Allan Silver, M.D. is an orthopaedic surgery physician with a practice address in Downey, California, and NPI 1639245129, issued on Nov 27, 2006. Check the license (California G44435, 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
1639245129
Name
Mark Allan Silver
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
G44435 CA
23873 WA
Self-reported in NPPES; status is on the state search
Practice location
8050 Florence Ave, Downey, CA 90240
Phone
(562) 927-8324
Enumerated
Nov 27, 2006
Record last updated
Oct 1, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(562) 928-8794
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 orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →

Verify Mark Allan Silver in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G44435    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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Industry payments in 2024: $202.16

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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. Mark Silver$202
  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.

Mark Allan Silver among 2,276 orthopaedic surgery physician records in California

Mark Allan Silver, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2011 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

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

All 2,276 in California → Every provider in Downey → Orthopaedic Surgery Physician nationwide →

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Frank Giacobetti, MDDowney, CA 902401033293121
  2. Lee Silver, M.D.Downey, CA 902401780841999
  3. Richard Chambers, M.D.Downey, CA 902411487762944
  4. Vance Eberly, M.D.Downey, CA 902411053429456
  5. Kevin Park, M.D.Downey, CA 902411093823494
  6. Kourosh Shamlou, M.D.Downey, CA 902411073621470
  7. Pradeep Kumar, M.D.Downey, CA 902421508967548
  8. Robert Waters, M.D.Downey, CA 902421538241237

Common questions

What is Mark Allan Silver, M.D.'s NPI number?

Mark Allan Silver, M.D.'s National Provider Identifier (NPI) is 1639245129, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Allan Silver, M.D. located?

The NPPES record lists a practice address at 8050 Florence Ave, Downey, CA, 90240. Phone: (562) 927-8324. Providers update this record themselves, so call before visiting.

How can I verify Mark Allan Silver, M.D.'s license?

NPPES lists California license number G44435, 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.