William Henry Wismer, DO
Gastroenterology Physician · Erie, PA
William Henry Wismer, DO is a gastroenterology physician with a practice address in Erie, Pennsylvania, and NPI 1346292406, issued on May 17, 2006. Check the license (Pennsylvania OS-011918, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Henry Wismer
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- OS-011918 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2010 W 38TH St Uppr Level, Erie, PA 16508
- Phone
- (814) 866-3986
- Enumerated
- May 17, 2006
- Record last updated
- May 4, 2023
- Fax
- (814) 866-6837
- Medicaid ID
- 1016247190001 PA
- Medicare enrollment
- Enrolled (PECOS I20040520001127); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2000
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 2010 W 38TH St Uppr Level
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Recio, DOColon & Rectal Surgery Physician1023064318
- Brian Viviano, DOGastroenterology Physician1497984512
Verify William Henry Wismer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS-011918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average gastroenterology physician in 2024
802 Medicare Part D claims for 172 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Pantoprazole Sodium454 claims
- Colestipol Hcl61 claims
- Omeprazole38 claims
- Stelara36 claims
- Mesalamine32 claims
- Famotidine24 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.
The MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,525.93
119 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
3 hospitals and group practices
- Warren General HospitalWarren, PA · Acute Care Hospitals3 of 5 stars
- Corry Memorial Hospital AssociationCorry, PA
- Medical Associates OF ErieErie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William Henry Wismer among 1,049 gastroenterology physician records in Pennsylvania
William Henry Wismer, DO is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2000 · median 2003 among the 769 with a school on file
- Record last updated2023 · 63% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Erie → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Vincent Fierro, D.O.Erie, PA 165081295787356
- Brian Viviano, DOErie, PA 165081497984512
- Scott HenryErie, PA 165071871598565
- Robert HowerErie, PA 165071053407155
- Matthew Klinge, MDErie, PA 165071457693533
- David LevyErie, PA 165071740285428
- Brian Ng, MDErie, PA 165071659345387
- Robert SchwartzErie, PA 165071205832581
Common questions
What is William Henry Wismer, DO's NPI number?
William Henry Wismer, DO's National Provider Identifier (NPI) is 1346292406, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Henry Wismer, DO located?
The NPPES record lists a practice address at 2010 W 38TH St Uppr Level, Erie, PA, 16508. Phone: (814) 866-3986. Providers update this record themselves, so call before visiting.
How can I verify William Henry Wismer, DO's license?
NPPES lists Pennsylvania license number OS-011918, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Henry Wismer, DO prescribe under Medicare Part D?
In 2024, William Henry Wismer, DO had 802 Medicare Part D claims for 172 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is William Henry Wismer, DO's MIPS final score?
The 2023 MIPS final score is 93.8 of 100. 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.