W Harley Sobin, MD
Gastroenterology Physician · Milwaukee, WI
W Harley Sobin, MD is a gastroenterology physician with a practice address in Milwaukee, Wisconsin, and NPI 1972550929, issued on May 27, 2006. Check the license (Wisconsin 34019, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- W Harley Sobin
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 34019 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-3310
- Enumerated
- May 27, 2006
- Record last updated
- Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (414) 805-3885
- Medicaid IDs
- 1972550929 WI
31888800 WI - Medicare enrollment
- Enrolled (PECOS I20111215000599); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify W Harley Sobin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 34019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
18 Medicare Part D claims for 11 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
W Harley Sobin among 340 gastroenterology physician records in Wisconsin
W Harley Sobin, MD 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1977 · median 2003 among the 239 with a school on file
- Record last updated2021 · 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
- John Bjork, M.D.Milwaukee, WI 532261538121512
- James Cunningham, MDWauwatosa, WI 532261225005689
- Kulwinder Dua, MDMilwaukee, WI 532261215988290
- Jose Franco, MDMilwaukee, WI 532261699726547
- Mary Catherine Gerleman, MDWauwatosa, WI 532261134191877
- George Johnson, MDMilwaukee, WI 532261821049677
- Benson Massey, MDMilwaukee, WI 532261407807258
- Robert Molloy, MDWauwatosa, WI 532261043287717
Common questions
What is W Harley Sobin, MD's NPI number?
W Harley Sobin, MD's National Provider Identifier (NPI) is 1972550929, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is W Harley Sobin, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-3310. Providers update this record themselves, so call before visiting.
How can I verify W Harley Sobin, MD's license?
NPPES lists Wisconsin license number 34019, 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 W Harley Sobin, MD prescribe under Medicare Part D?
In 2024, W Harley Sobin, MD had 18 Medicare Part D claims for 11 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is W Harley Sobin, MD's MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.