Kevin Sellery Gregg
Infectious Disease Physician · Madison, WI
Kevin Sellery Gregg is an infectious disease physician with a practice address in Madison, Wisconsin, and NPI 1013105220, issued on Oct 12, 2007. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kevin Sellery Gregg
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 4301098017 MI
036.117546 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-0946
- Enumerated
- Oct 12, 2007
- Record last updated
- May 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20110725000019); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 171 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 Kevin Sellery Gregg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average infectious disease physician in 2024
423 Medicare Part D claims for 66 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Biktarvy67 claims
- Genvoya26 claims
- Ertapenem23 claims
- Triumeq23 claims
- Sulfamethoxazole-Trimethoprim16 claims
- Cephalexin15 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
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin Sellery Gregg among 171 infectious disease physician records in Wisconsin
Kevin Sellery Gregg is one of 171 infectious disease physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2004 · median 2004 among the 125 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Wisconsin
There are 171 infectious disease physician records in Wisconsin.
All 171 in Wisconsin → Every provider in Madison → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- David Andes, MDMadison, WI 537921154398857
- Christopher Crnich, MDMadison, WI 537921740257419
- Barry Fox, MDMadison, WI 537921780651935
- Gregory Gauthier, M.D.Madison, WI 537921194787754
- Eric Johannsen, MDMadison, WI 537921437115680
- Alexander Lepak, M.D.Madison, WI 537921265490536
- Dennis Maki, MDMadison, WI 537921255307195
- Mark Mounajjed, MDMadison, WI 537921891789897
Common questions
What is Kevin Sellery Gregg's NPI number?
Kevin Sellery Gregg's National Provider Identifier (NPI) is 1013105220, issued on Oct 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Sellery Gregg located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-0946. Providers update this record themselves, so call before visiting.
How can I verify Kevin Sellery Gregg's license?
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 Kevin Sellery Gregg prescribe under Medicare Part D?
In 2024, Kevin Sellery Gregg had 423 Medicare Part D claims for 66 beneficiaries; the average among infectious disease physician prescribers was 689. 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.