NPPES file of Aug 9, 2026

Shane M. Mesko, M.D., MBA

Radiation Oncology Physician · San Diego, CA

Shane M. Mesko, M.D., MBA is a radiation oncology physician with a practice address in San Diego, California, and NPI 1699137315, issued on Mar 22, 2016. Check the license (California A171304, 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
1699137315
Name
Shane M. Mesko
Credential
M.D., MBA
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A171304 CA
Self-reported in NPPES; status is on the state search
Practice location
4044 Fifth Ave, San Diego, CA 92103
Phone
(619) 452-7350
Enumerated
Mar 22, 2016
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(619) 452-7300
Medicare enrollment
Enrolled (PECOS I20210211002743); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
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 radiation oncology physician records → All 735 in California → Look up another NPI →

Also registered at 4044 Fifth Ave

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

  1. David Bao, PHARM.D.Pharmacist1497037386
  2. Wesleigh Edwards, MD, PHDHematology & Oncology Physician1205362258
  3. Paulette Gabbai-Saldate, M.D.Hematology & Oncology Physician1902285596
  4. Ravi GargPlastic Surgery Physician1275858961
  5. John Garrett, PHARMDOncology Pharmacist1629774914
  6. Anuradha Koka, M.D.Radiation Oncology Physician1538153549

Verify Shane M. Mesko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A171304    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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23% fewer Medicare Part D claims than the average radiation oncology physician in 2024

103 Medicare Part D claims for 47 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Shane Mesko103
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl23 claims
  2. Dexamethasone15 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: $1,665.65

49 payments; by number, the most common kind was food and beverage; the largest payer was RefleXion Medical, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shane Mesko$1,665.65
  2. Specialty average$1,897.85

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. Scripps HealthSan Diego, CA

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

Shane M. Mesko among 735 radiation oncology physician records in California

Shane M. Mesko, M.D., MBA is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2016 · median 2005 among the 545 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

All 735 in California → Every provider in San Diego → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Donald Fuller, M.D.San Diego, CA 921031285632711
  2. Adam Horn, M.D.San Diego, CA 921031982979019
  3. Tahir Ijaz, M.D.San Diego, CA 921031225036742
  4. Anuradha Koka, M.D.San Diego, CA 921031538153549
  5. Jyoti Mayadev, M.DSan Diego, CA 921031902906902
  6. Arno Mundt, M.D.San Diego, CA 921031790708808
  7. Chika Nwachukwu, MDSan Diego, CA 921031194138263
  8. Parag Sanghvi, M.D., M..S.P.H.San Diego, CA 921031801005152

Common questions

What is Shane M. Mesko, M.D., MBA's NPI number?

Shane M. Mesko, M.D., MBA's National Provider Identifier (NPI) is 1699137315, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Shane M. Mesko, M.D., MBA located?

The NPPES record lists a practice address at 4044 Fifth Ave, San Diego, CA, 92103. Phone: (619) 452-7350. Providers update this record themselves, so call before visiting.

How can I verify Shane M. Mesko, M.D., MBA's license?

NPPES lists California license number A171304, 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 Shane M. Mesko, M.D., MBA prescribe under Medicare Part D?

In 2024, Shane M. Mesko, M.D., MBA had 103 Medicare Part D claims for 47 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.