Gregory Paul Capelli, DO
Gastroenterology Physician · Milwaukee, WI
Gregory Paul Capelli, DO is a gastroenterology physician with a practice address in Milwaukee, Wisconsin, and NPI 1306473863, issued on Mar 25, 2020. Check the license (Wisconsin 77149-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Paul Capelli
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 77149-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 945 N 12TH St, Milwaukee, WI 53233
- Phone
- (414) 219-4077
- Enumerated
- Mar 25, 2020
- Record last updated
- Apr 10, 2023
- Fax
- (414) 219-7108
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 945 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shant Adamian, DOObstetrics & Gynecology Physician1952861668
- Ola AhmadStudent in an Organized Health Care Education/Training Program1629871645
Verify Gregory Paul Capelli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 77149-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $99.00
1 payment: education; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Paul Capelli among 340 gastroenterology physician records in Wisconsin
Gregory Paul Capelli, DO is one of 340 gastroenterology 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 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Milwaukee → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Aboud Affi, M.D.Milwaukee, WI 532331003891250
- Khaled Alsabbagh Alchirazi, MDMilwaukee, WI 532331306341904
- Charlotte HuntMilwaukee, WI 532331215686761
- Veeraen Jonnalagadda, MDMilwaukee, WI 532331528708278
- Arsh MominMilwaukee, WI 532331407505282
- Eitan Scheinthal, DOMilwaukee, WI 532331346877321
- Jerome Hanson, M.D.West Allis, WI 532271215999065
- Maqsood Khan, M.DWest Allis, WI 532271811019680
Common questions
What is Gregory Paul Capelli, DO's NPI number?
Gregory Paul Capelli, DO's National Provider Identifier (NPI) is 1306473863, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Paul Capelli, DO located?
The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 219-4077. Providers update this record themselves, so call before visiting.
How can I verify Gregory Paul Capelli, DO's license?
NPPES lists Wisconsin license number 77149-21, 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.
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.