NPPES file of Aug 9, 2026

James Y. Mamone, M.D.

Orthopaedic Surgery Physician · Roseville, CA

James Y. Mamone, M.D. is an orthopaedic surgery physician with a practice address in Roseville, California, and NPI 1255436358, issued on Sep 13, 2006. Check the license (California G83728, 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
1255436358
Name
James Y. Mamone
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
G83728 CA
Self-reported in NPPES; status is on the state search
Practice location
3 Medical Plaza Dr, Roseville, CA 95661
Phone
(916) 797-4725
Enumerated
Sep 13, 2006
Record last updated
Jul 22, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(916) 797-4726
Medicaid ID
00G837280 CA
Medicare enrollment
Enrolled (PECOS I20080806000804); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 →

Also registered at 3 Medical Plaza Dr

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

  1. Carolina Alvayay, M.D.Urology Physician1336380286
  2. Stephanie Austin, M.D.Otolaryngology Physician1629399126
  3. Beverly Bruce, OTOccupational Therapist1366557266
  4. Douglas Canlas, M.D.Internal Medicine Physician1871721654
  5. Kim David Canlas, M.D.Internal Medicine Physician1982920401
  6. April Cauthen, NPNurse Practitioner1225185622

Verify James Y. Mamone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G83728    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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2.1 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024

731 Medicare Part D claims for 193 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 313 claims were for opioids.

  1. James Mamone731
  2. Specialty average346

Most prescribed

  1. Hydrocodone-Acetaminophen310 claims
  2. Amoxicillin163 claims
  3. Ondansetron Odt136 claims
  4. Clindamycin Hcl42 claims
  5. Sulfamethoxazole-Trimethoprim12 claims
  6. Naproxen11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $15.04

1 payment: food and beverage; the largest payer was Heraeus Medical, LLC. 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. James Mamone$15
  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.

Bills Medicare through one group practice

  1. Sutter Valley Medical FoundationRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Y. Mamone among 2,276 orthopaedic surgery physician records in California

James Y. Mamone, 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 fileYes · 59% of these records are
  • Graduated1992 · median 2003 among the 1,347 with a school on file
  • Record last updated2015 · 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 Roseville → Orthopaedic Surgery Physician nationwide →

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Peter Bales, MDRoseville, CA 956611669568994
  2. Robert Burger, MDRoseville, CA 956611326126038
  3. Kevin Gramyk, MDRoseville, CA 956611407934177
  4. Kai Jaki, MDRoseville, CA 956611295813954
  5. Raphael Klug, DORoseville, CA 956611245318989
  6. Matthew Mermer, MDRoseville, CA 956611710989736
  7. Peter Neblett, M.D.Roseville, CA 956611578636593
  8. Steven Ryder, MDRoseville, CA 956611801974571

Common questions

What is James Y. Mamone, M.D.'s NPI number?

James Y. Mamone, M.D.'s National Provider Identifier (NPI) is 1255436358, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Y. Mamone, M.D. located?

The NPPES record lists a practice address at 3 Medical Plaza Dr, Roseville, CA, 95661. Phone: (916) 797-4725. Providers update this record themselves, so call before visiting.

How can I verify James Y. Mamone, M.D.'s license?

NPPES lists California license number G83728, 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.

How much does James Y. Mamone, M.D. prescribe under Medicare Part D?

In 2024, James Y. Mamone, M.D. had 731 Medicare Part D claims for 193 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

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.