NPPES file of Aug 9, 2026

Joseph H. Chammas, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · San Diego, CA

Joseph H. Chammas, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in San Diego, California, and NPI 1902888522, issued on Nov 18, 2005. Check the license (California G86116, 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
1902888522
Name
Joseph H. Chammas
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
G86116 CA
Self-reported in NPPES; status is on the state search
Practice location
8010 Frost St, San Diego, CA 92123
Phone
(858) 939-7471
Enumerated
Nov 18, 2005
Record last updated
Jul 5, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040413000490); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1993
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 thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →

Also registered at 8010 Frost St

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

  1. Joanna Adamczak, M.D.Maternal & Fetal Medicine Physician1447428420
  2. Robert Adamson, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1043292584
  3. Rene Barbieri-Welge, PH.D.Clinical Psychologist1982731048
  4. Ayala Ben-Tall, PH.D.Clinical Psychologist1851433106
  5. Stephen Bickler, M.D.Pediatric Surgery Physician1891866653
  6. Gary Blake, M.D.Maternal & Fetal Medicine Physician1497738439

Verify Joseph H. Chammas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G86116    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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51% more Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

153 Medicare Part D claims for 77 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims. 33 claims were for opioids.

  1. Joseph Chammas153
  2. Specialty average101

Most prescribed

  1. Santyl33 claims
  2. Hydrocodone-Acetaminophen30 claims
  3. Eliquis23 claims
  4. Clopidogrel17 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: $378.83

9 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Chammas$378.83
  2. Specialty average$7,828.84

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. Sasha Salloum MD Inc A Professional Medical CorporationChula Vista, CA

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

Joseph H. Chammas among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California

Joseph H. Chammas, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% 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 · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1993 · median 1997 among the 408 with a school on file
  • Record last updated2016 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California

There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.

All 634 in California → Every provider in San Diego → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Robert Adamson, M.D.San Diego, CA 921231043292584
  2. John Artrip, MDSan Diego, CA 921231831141084
  3. Walter Dembitsky, M.D.San Diego, CA 921231891777421
  4. Eric Devaney, MDSan Diego, CA 921231790877173
  5. Tara Karamlou, MDSan Diego, CA 921231053512186
  6. Ara Klijian, M.D.San Diego, CA 921231831134162
  7. Craig LarsonSan Diego, CA 921231528183928
  8. Karl Limmer, M.DSan Diego, CA 921231871757294

Common questions

What is Joseph H. Chammas, M.D.'s NPI number?

Joseph H. Chammas, M.D.'s National Provider Identifier (NPI) is 1902888522, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joseph H. Chammas, M.D. located?

The NPPES record lists a practice address at 8010 Frost St, San Diego, CA, 92123. Phone: (858) 939-7471. Providers update this record themselves, so call before visiting.

How can I verify Joseph H. Chammas, M.D.'s license?

NPPES lists California license number G86116, 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 Joseph H. Chammas, M.D. prescribe under Medicare Part D?

In 2024, Joseph H. Chammas, M.D. had 153 Medicare Part D claims for 77 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.