NPPES file of Aug 9, 2026

Anthony Capparelli, M.D.

Nephrology Physician · Thousand Oaks, CA

Anthony Capparelli, M.D. is a nephrology physician with a practice address in Thousand Oaks, California, and NPI 1033119946, issued on Jul 21, 2005. Check the license (California G51479, 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
1033119946
Name
Anthony Capparelli
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
G51479 CA
Self-reported in NPPES; status is on the state search
Practice location
375 Rolling Oaks Dr, Thousand Oaks, CA 91361
Phone
(805) 497-7775
Enumerated
Jul 21, 2005
Record last updated
Nov 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(805) 557-1074
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.
Download card Updates feed

Also registered at 375 Rolling Oaks Dr

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

  1. Dwite Dahms, M.D.Sports Medicine (Orthopaedic Surgery) Physician1124054853
  2. John Delgado, MDOrthopaedic Trauma Physician1225204845
  3. Pierre Durand, M.D.Sports Medicine (Orthopaedic Surgery) Physician1891723664
  4. Irina Feldman, M.D.Family Medicine Physician1417919721
  5. Richard Hodnett, MDPlastic Surgery Physician1518084904
  6. Jane Maryoung, R.P.T.Physical Therapist1346256559

Verify Anthony Capparelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G51479
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average nephrology physician in 2024

32 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Anthony Capparelli32
  2. Specialty average1,465

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.

Anthony Capparelli among 1,468 nephrology physician records in California

Anthony Capparelli, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2016 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Paul Finkel, M.D.Thousand Oaks, CA 913601275533499
  2. Arian Gower, M.D.Thousand Oaks, CA 913601639531403
  3. Ramdas Kumar, M.D.Thousand Oaks, CA 913601669631248
  4. Richard Lessman, M.D.Thousand Oaks, CA 913601073513263
  5. Salah Sonbol, M.D.Thousand Oaks, CA 913601922008119
  6. Alan Fozailoff, M.D.Tarzana, CA 913561053331595
  7. Isaac Gorbaty, M.D.Tarzana, CA 913561477562718
  8. Kamyar Kamjoo, MDTarzana, CA 913561558465708

Common questions

What is Anthony Capparelli, M.D.'s NPI number?

Anthony Capparelli, M.D.'s National Provider Identifier (NPI) is 1033119946, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Capparelli, M.D. located?

The NPPES record lists a practice address at 375 Rolling Oaks Dr, Thousand Oaks, CA, 91361. Phone: (805) 497-7775. Providers update this record themselves, so call before visiting.

How can I verify Anthony Capparelli, M.D.'s license?

NPPES lists California license number G51479, 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 Anthony Capparelli, M.D. prescribe under Medicare Part D?

In 2024, Anthony Capparelli, M.D. had 32 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.

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.