NPPES file of Aug 9, 2026

John T. Grandone, M.D.

Rheumatology Physician · Neenah, WI

John T. Grandone, M.D. is a rheumatology physician with a practice address in Neenah, Wisconsin, and NPI 1467480681, issued on Jun 28, 2006. Check the license (Wisconsin 21696, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1467480681
Name
John T. Grandone
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
21696 WI
Self-reported in NPPES; status is on the state search
Practice location
200 Theda Clark Medical Plz Ste 240, Neenah, WI 54956
Phone
(920) 729-2710
Enumerated
Jun 28, 2006
Record last updated
Sep 9, 2024
Fax
(920) 727-4511
Medicaid ID
30246700 WI
Medicare enrollment
Enrolled (PECOS I20110324000784); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1973
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 200 Theda Clark Medical Plz Ste 240

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

  1. Roopa AchuriPhysician Assistant1225531635
  2. Junting Degrood, MDEndocrinology, Diabetes & Metabolism Physician1871190058
  3. Taylor Doberstein, D.O.Rheumatology Physician1215291075
  4. Thomas Duncan, MDInternal Medicine Physician1588641039
  5. Carlye Reichert, D.O.Physical Medicine & Rehabilitation Physician1063945236

Verify John T. Grandone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 21696
    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 Wisconsin 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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99% fewer Medicare Part D claims than the average rheumatology physician in 2024

22 Medicare Part D claims for 11 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Grandone22
  2. Specialty average1,978

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. Thedacare, IncorporatedNeenah, WI

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

John T. Grandone among 154 rheumatology physician records in Wisconsin

John T. Grandone, M.D. is one of 154 rheumatology physician records with a practice address in Wisconsin. 76% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 48% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1973 · median 2004 among the 97 with a school on file
  • Record last updated2024 · 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 207RR0500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Wisconsin

There are 154 rheumatology physician records in Wisconsin.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Taylor Doberstein, D.O.Neenah, WI 549561215291075
  2. Eric Gowing, MDNeenah, WI 549561578557666
  3. Manpreet Sethi, MBBSNeenah, WI 549561699035386
  4. Ann Gierl, DOMenasha, WI 549521558356022
  5. Kent Partain, MDMenasha, WI 549521154316560
  6. Crystal Kleiber Balderrama, M.D.Fond Du Lac, WI 549351144545559
  7. Jeanna Owens, MDFond Du Lac, WI 549351831171966
  8. Karen Hansen, MDAppleton, WI 549111316914492

Common questions

What is John T. Grandone, M.D.'s NPI number?

John T. Grandone, M.D.'s National Provider Identifier (NPI) is 1467480681, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John T. Grandone, M.D. located?

The NPPES record lists a practice address at 200 Theda Clark Medical Plz Ste 240, Neenah, WI, 54956. Phone: (920) 729-2710. Providers update this record themselves, so call before visiting.

How can I verify John T. Grandone, M.D.'s license?

NPPES lists Wisconsin license number 21696, 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 John T. Grandone, M.D. prescribe under Medicare Part D?

In 2024, John T. Grandone, M.D. had 22 Medicare Part D claims for 11 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.