Registry data as of Aug 27, 2026

William Wismer, DO

Gastroenterology Physician · Erie, PA

William 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1346292406
Name
William 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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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.

  1. Patrick Recio, DOColon & Rectal Surgery Physician1023064318
  2. Brian Viviano, DOGastroenterology Physician1497984512

Verify William Wismer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS-011918
    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 Pennsylvania 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.

5% fewer Medicare Part D claims than the average gastroenterology physician in 2024

802 Medicare Part D claims for 172 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. William Wismer802
  2. Specialty average848

Most prescribed

  1. Pantoprazole Sodium454 claims
  2. Colestipol Hcl61 claims
  3. Omeprazole38 claims
  4. Stelara36 claims
  5. Mesalamine32 claims
  6. 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 Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score85.1
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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, mostly food and beverage; the largest payer was Abbvie Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Wismer$2,525.93
  2. Specialty average$4,948.62

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospital and facility affiliations

  1. Warren General HospitalWarren, PA · Acute Care Hospitals3 of 5 stars
  2. Corry Memorial Hospital AssociationCorry, PA
  3. Medical Associates OF ErieErie, PA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gastroenterology Physician providers in Pennsylvania

There are 876 gastroenterology physician records in Pennsylvania.

Other gastroenterology physician records in Pennsylvania

  1. Gebran Abboud, M.D.Johnstown, PA1518160373
  2. Heitham Abdul-Baki, M.D.Pittsburgh, PA1790978542
  3. Ahmed Abdulhamid, M.D.Hershey, PA1326592775
  4. Faten Aberra, MDPhiladelphia, PA1225042989
  5. Segun Abogunde, MDErie, PA1659302669
  6. Jeffrey Abrams, M.D.Phila, PA1174582076
  7. John Abramson, M.D.Wynnewood, PA1710953633
  8. Abimbola Adenote, MDErie, PA1952786543
  9. Christopher Adkins, M.D.Phila, PA1023350766
  10. Radheshyam Agrawal, MDPittsburgh, PA1518966670

Common questions

What is William Wismer, DO's NPI number?

William 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 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 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 Wismer, DO prescribe under Medicare Part D?

In 2024, William Wismer, DO had 802 Medicare Part D claims for 172 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.

What is William Wismer, DO's Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.