NPPES file of Aug 9, 2026

Iwona A. Trybus, MD

Pulmonary Disease Physician · San Diego, CA

Iwona A. Trybus, MD is a pulmonary disease physician with a practice address in San Diego, California, and NPI 1972662500, issued on Dec 8, 2006. Check the license (California G77948, 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
1972662500
Name
Iwona A. Trybus
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
G77948 CA
Self-reported in NPPES; status is on the state search
Practice location
4647 Zion Ave, San Diego, CA 92120
Phone
(619) 528-5000
Enumerated
Dec 8, 2006
Record last updated
Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081220000046); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College 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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Also registered at 4647 Zion Ave

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

  1. Samy Abdou, MDNeurological Surgery Physician1215085006
  2. Samvel Abelyan, PHARMDPharmacist1306629928
  3. Ali Aboutaleb, MDFamily Medicine Physician1821261405
  4. Patricia Achilly, CNMAdvanced Practice Midwife1932257847
  5. Linda Adams, PAPhysician Assistant1427174689
  6. Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081

Verify Iwona A. Trybus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G77948
    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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8% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

1,311 Medicare Part D claims for 305 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Iwona Trybus1,311
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa208 claims
  2. Spiriva Respimat130 claims
  3. Prednisone116 claims
  4. Wixela Inhub96 claims
  5. Stiolto Respimat90 claims
  6. Azithromycin80 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupSan Marcos, CA

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

Iwona A. Trybus among 1,443 pulmonary disease physician records in California

Iwona A. Trybus, MD is one of 1,443 pulmonary disease 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1992 · median 2002 among the 1,061 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 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Gang Bao, M.D.San Diego, CA 921201922008598
  2. Randy Dalugdugan, M.D.San Diego, CA 921201043477896
  3. Larry Emdur, DO, PHDSan Diego, CA 921201932109642
  4. Edward Federman, M.D.San Diego, CA 921201548369648
  5. David Levine, MDSan Diego, CA 921201003964073
  6. Michael Markman, MDSan Diego, CA 921201699834283
  7. Kevin Murray, MDSan Diego, CA 921201518026194
  8. Michael Newman, D.O.San Diego, CA 921201376697797

Common questions

What is Iwona A. Trybus, MD's NPI number?

Iwona A. Trybus, MD's National Provider Identifier (NPI) is 1972662500, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Iwona A. Trybus, MD located?

The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.

How can I verify Iwona A. Trybus, MD's license?

NPPES lists California license number G77948, 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 Iwona A. Trybus, MD prescribe under Medicare Part D?

In 2024, Iwona A. Trybus, MD had 1,311 Medicare Part D claims for 305 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.