Robert Guzy
Pulmonary Disease Physician · Madison, WI
Robert Guzy is a pulmonary disease physician with a practice address in Madison, Wisconsin, and NPI 1558511907, issued on Sep 23, 2008. Check the license (Wisconsin 77146, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert Guzy
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 77146 WI
036138537 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-7203
- Enumerated
- Sep 23, 2008
- Record last updated
- Jul 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20220421002150); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 300 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Guzy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 77146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,749 Medicare Part D claims for 96 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 22 claims were for opioids.
Most prescribed
- Sulfamethoxazole-Trimethoprim266 claims
- Prednisone202 claims
- Azithromycin172 claims
- Valacyclovir128 claims
- Pantoprazole Sodium124 claims
- Montelukast Sodium120 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Guzy among 300 pulmonary disease physician records in Wisconsin
Robert Guzy is one of 300 pulmonary disease physician records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2008 · median 2003 among the 220 with a school on file
- Record last updated2022 · 54% 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 Wisconsin 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 Wisconsin
There are 300 pulmonary disease physician records in Wisconsin.
All 300 in Wisconsin → Every provider in Madison → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Donita Croft, MDMadison, WI 537921508948688
- Loren Denlinger, MDMadison, WI 537921508827411
- Guillermo Dopico, MDMadison, WI 537921861460891
- Michael Eberlein, MDMadison, WI 537921568482362
- John Ferguson, MDMadison, WI 537921205823317
- Ellie Golestanian, MDMadison, WI 537921376500033
- Jeffrey Grossman, MDMadison, WI 537921619944782
- Nizar Jarjour, MDMadison, WI 537921700852654
Common questions
What is Robert Guzy's NPI number?
Robert Guzy's National Provider Identifier (NPI) is 1558511907, issued on Sep 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Robert Guzy located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-7203. Providers update this record themselves, so call before visiting.
How can I verify Robert Guzy's license?
NPPES lists Wisconsin license number 77146, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Guzy prescribe under Medicare Part D?
In 2024, Robert Guzy had 2,749 Medicare Part D claims for 96 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.