Thomas J. Gross, MD
Pulmonary Disease Physician · Iowa City, IA
Thomas J. Gross, MD is a pulmonary disease physician with a practice address in Iowa City, Iowa, and NPI 1861489973, issued on Oct 4, 2005. Check the license (Iowa 28113, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas J. Gross
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 28113 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-2653
- Enumerated
- Oct 4, 2005
- Record last updated
- Dec 4, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (319) 353-6406
- Medicaid ID
- 0038844 IA
- Medicare enrollment
- Enrolled (PECOS I20100118000030); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 124 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helena Aaberg, MDAnesthesiology Physician1689301558
- Abdullah Abbasi, MDGastroenterology Physician1932944204
- Mary Jo Abbott, RPHPharmacist1841325875
- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Thomas J. Gross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 28113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
946 Medicare Part D claims for 127 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Trelegy Ellipta121 claims
- Azithromycin116 claims
- Prednisone94 claims
- Anoro Ellipta84 claims
- Albuterol Sulfate Hfa78 claims
- Doxycycline Hyclate54 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
- State University OF IowaIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas J. Gross among 124 pulmonary disease physician records in Iowa
Thomas J. Gross, MD is one of 124 pulmonary disease physician records with a practice address in Iowa. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1983 · median 2005 among the 97 with a school on file
- Record last updated2007 · 58% 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 Iowa 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 Iowa
There are 124 pulmonary disease physician records in Iowa.
All 124 in Iowa → Every provider in Iowa City → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Mahmoud Aboualaiwa, M.D.Iowa City, IA 522421609860006
- Herbert Berger, MDIowa City, IA 522421366439473
- Josalyn Cho, MDIowa City, IA 522421679554331
- Lakshmi Durairaj, MDIowa City, IA 522421447232871
- John Fieselmann, MDIowa City, IA 522421457334898
- Dawn Flaherty, MD FACOGIowa City, IA 522421720060999
- Lois Geist, MDIowa City, IA 522421598753444
- Douglas Hornick, MDIowa City, IA 522421437147386
Common questions
What is Thomas J. Gross, MD's NPI number?
Thomas J. Gross, MD's National Provider Identifier (NPI) is 1861489973, issued on Oct 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Gross, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-2653. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Gross, MD's license?
NPPES lists Iowa license number 28113, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas J. Gross, MD prescribe under Medicare Part D?
In 2024, Thomas J. Gross, MD had 946 Medicare Part D claims for 127 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.