NPPES file of Aug 9, 2026

Brian Edmund Diskin, M.D.

Surgical Oncology Physician · Santa Monica, CA

Brian Edmund Diskin, M.D. is a surgical oncology physician with a practice address in Santa Monica, California, and NPI 1306257456, issued on May 12, 2014. Check the license (California A196245, 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
1306257456
Name
Brian Edmund Diskin
Credential
M.D.
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License numbers
A196245 CA
302308 NY
Self-reported in NPPES; status is on the state search
Practice location
2121 Santa Monica Blvd, Santa Monica, CA 90404
Phone
(310) 315-6125
Enumerated
May 12, 2014
Record last updated
Jul 8, 2026
Fax
(310) 582-7185
Medicare enrollment
Enrolled (PECOS I20240705000629); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 2022
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 surgical oncology physician records → All 250 in California → Look up another NPI →

Also registered at 2121 Santa Monica Blvd

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

  1. Anabelle AhdootRegistered Dietitian1396283263
  2. Katiuscha Almeida Merath Reis, MDSurgery Physician1861055626
  3. Sandra Andrews, RD, CDERegistered Dietitian1427347954
  4. Maia Aronson, P.A.Physician Assistant1861762882
  5. Daniel ArtensteinStudent in an Organized Health Care Education/Training Program1023402310
  6. Bita Azizi, RDRegistered Dietitian1861797839

Verify Brian Edmund Diskin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A196245    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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78% fewer Medicare Part D claims than the average surgical oncology physician in 2024

19 Medicare Part D claims for 15 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.

  1. Brian Diskin19
  2. Specialty average87

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: $37.14

1 payment: food and beverage; the largest payer was Ethicon US, LLC. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Diskin$37.14
  2. Specialty average$4,224.74

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. Providence Saint Johns Medical FoundationSanta Monica, CA

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

Brian Edmund Diskin among 250 surgical oncology physician records in California

Brian Edmund Diskin, M.D. is one of 250 surgical oncology physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 79% of them.

  • NPI issued2014 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2022 · median 2004 among the 184 with a school on file
  • Record last updated2026 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in California

There are 250 surgical oncology physician records in California.

All 250 in California → Every provider in Santa Monica → Surgical Oncology Physician nationwide →

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Bradley Bandera, MDSanta Monica, CA 904041427205681
  2. Anton Bilchik, M.D., PH.D., M.B.A.Santa Monica, CA 904041609916733
  3. Nefertiti Brown, M.D.Santa Monica, CA 904041801065685
  4. Connie Chiu, M.D.Santa Monica, CA 904041821377342
  5. Alexander Christ, M.D.Santa Monica, CA 904041427316702
  6. Alice Chung, M.D.Santa Monica, CA 904041326296542
  7. Richard Essner, M.D.Santa Monica, CA 904041336163328
  8. Crystal Fancher, M.D.Santa Monica, CA 904041578983193

Common questions

What is Brian Edmund Diskin, M.D.'s NPI number?

Brian Edmund Diskin, M.D.'s National Provider Identifier (NPI) is 1306257456, issued on May 12, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Brian Edmund Diskin, M.D. located?

The NPPES record lists a practice address at 2121 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 315-6125. Providers update this record themselves, so call before visiting.

How can I verify Brian Edmund Diskin, M.D.'s license?

NPPES lists California license number A196245, 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 Brian Edmund Diskin, M.D. prescribe under Medicare Part D?

In 2024, Brian Edmund Diskin, M.D. had 19 Medicare Part D claims for 15 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.