Robert D. Geck, M.D.
Pulmonary Disease Physician · Oshkosh, WI
Robert D. Geck, M.D. is a pulmonary disease physician with a practice address in Oshkosh, Wisconsin, and NPI 1144412628, issued on Aug 17, 2007. Check the license (Wisconsin 63364-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert D. Geck
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 63364-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 855 N Westhaven Dr, Oshkosh, WI 54904
- Phone
- (920) 303-8700
- Enumerated
- Aug 17, 2007
- Record last updated
- Feb 13, 2024
- Medicaid IDs
- 100042730 WI
005799700 FL - Medicare enrollment
- Enrolled (PECOS I20150320000880); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2005
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 300 in Wisconsin → Look up another NPI →
Also registered at 855 N Westhaven Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdulmajid AdamHospitalist Physician1528362258
- Awais Ahmed, MDGastroenterology Physician1316213481
- Kate Alexander, PA-CPhysician Assistant1700466414
- Hussein Alramini, M.D.Hospitalist Physician1497106512
- Ammar Alzoubi, MDInternal Medicine Physician1598773152
Verify Robert D. Geck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 63364-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average pulmonary disease physician in 2024
4,476 Medicare Part D claims for 547 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta572 claims
- Albuterol Sulfate Hfa526 claims
- Prednisone356 claims
- Stiolto Respimat296 claims
- Azithromycin216 claims
- Breztri Aerosphere194 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
- Aurora Medical Group, Inc.Oshkosh, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert D. Geck among 300 pulmonary disease physician records in Wisconsin
Robert D. Geck, M.D. 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 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 41% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2005 · median 2003 among the 220 with a school on file
- Record last updated2024 · 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 Oshkosh → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Srinivas Bhadriraju, M.D.Oshkosh, WI 549041790796084
- Yihenew Negatu, MDOshkosh, WI 549041407167323
- Breion Tafoya, D.O.Oshkosh, WI 549041902088057
- Maria Aristigueta, M.D.Appleton, WI 549111497823694
- Scott Parrish, M.D.Appleton, WI 549111073672390
- Sanjeevkumar Patel, M.DAppleton, WI 549111033422860
- Laura McCauley, MDAppleton, WI 549131578699609
- Bryan Avery, MDAppleton, WI 549151548254568
Common questions
What is Robert D. Geck, M.D.'s NPI number?
Robert D. Geck, M.D.'s National Provider Identifier (NPI) is 1144412628, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert D. Geck, M.D. located?
The NPPES record lists a practice address at 855 N Westhaven Dr, Oshkosh, WI, 54904. Phone: (920) 303-8700. Providers update this record themselves, so call before visiting.
How can I verify Robert D. Geck, M.D.'s license?
NPPES lists Wisconsin license number 63364-020, 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 D. Geck, M.D. prescribe under Medicare Part D?
In 2024, Robert D. Geck, M.D. had 4,476 Medicare Part D claims for 547 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.