NPPES file of Aug 9, 2026

Thomas W. O'Brien, MD

Pulmonary Disease Physician · Kissimmee, FL

Thomas W. O'Brien, MD is a pulmonary disease physician with a practice address in Kissimmee, Florida, and NPI 1396700803, issued on Apr 18, 2006. Check the license (Florida 0056928, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396700803
Name
Thomas W. O'Brien
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
0056928 FL
Self-reported in NPPES; status is on the state search
Practice location
1121 N Central Ave, Kissimmee, FL 34741
Phone
(407) 933-1221
Enumerated
Apr 18, 2006
Record last updated
Feb 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(407) 933-0747
Medicaid ID
52669000 FL
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.
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Also registered at 1121 N Central Ave

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

  1. Joseph Ameh, M.D.Pulmonary Disease Physician1225144579
  2. Remberto Bitar, M.D.Pulmonary Disease Physician1386609899
  3. Adam Griggs, D.O.Pulmonary Disease Physician1043275647
  4. James Lucio, M.D.Critical Care Medicine (Internal Medicine) Physician1649235151
  5. Susan Metcalf, ARNPNurse Practitioner1598979700
  6. Rhoderick Nazario, M.D.Pulmonary Disease Physician1962466730

Verify Thomas W. O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license 0056928
    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 Florida license search

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95% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

70 Medicare Part D claims for 32 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Thomas O'Brien70
  2. Specialty average1,425

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 96.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $41.64

1 payment: food and beverage; the largest payer was Pulmonx Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas O'Brien$41.64
  2. Specialty average$5,159.88

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pulmonary Disease Physician providers in Florida

There are 1,045 pulmonary disease physician records in Florida.

Other pulmonary disease physician records in Florida

  1. Ahmed Abdel Fadil, MDTampa, FL1023072709
  2. Warren Abel, MDSt Petersburg, FL1912939067
  3. David Abia TrujilloJacksonville, FL1750764668
  4. Mahrous Abo-Hassan, MDCrystal River, FL1114335023
  5. Sunoj Abraham, MDCrystal River, FL1194790857
  6. Christian Abreu-Ramirez, MDLakeland, FL1003335019
  7. Yaw Abu, M.DBelle Glade, FL1487764577
  8. Juan Acevedo-Crespo, M.D.Coral Gables, FL1720074545
  9. Ivan Ackerman, M.DBrandon, FL1609836089
  10. Glenn Adams, M.D.Sarasota, FL1588658231

Common questions

What is Thomas W. O'Brien, MD's NPI number?

Thomas W. O'Brien, MD's National Provider Identifier (NPI) is 1396700803, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas W. O'Brien, MD located?

The NPPES record lists a practice address at 1121 N Central Ave, Kissimmee, FL, 34741. Phone: (407) 933-1221. Providers update this record themselves, so call before visiting.

How can I verify Thomas W. O'Brien, MD's license?

NPPES lists Florida license number 0056928, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas W. O'Brien, MD prescribe under Medicare Part D?

In 2024, Thomas W. O'Brien, MD had 70 Medicare Part D claims for 32 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Thomas W. O'Brien, MD's MIPS final score?

The 2023 MIPS final score is 96.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.