Registry data as of Aug 27, 2026

Lawrence McCormack, M.D.

Internal Medicine Physician · Sandusky, OH

Lawrence McCormack, M.D. is an internal medicine physician with a practice address in Sandusky, Ohio, and NPI 1831168608, issued on Mar 15, 2006. Check the license (Ohio 034991, as entered in NPPES) on the State Medical Board of Ohio; 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
1831168608
Name
Lawrence McCormack
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
034991 OH
Self-reported in NPPES; status is on the state search
Practice location
703 Tyler St, Sandusky, OH 44870
Phone
(419) 627-1056
Enumerated
Mar 15, 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 703 Tyler St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dale Braun, M.D.Neurological Surgery Physician1457352080
  2. Timothy Herron, MDNeurology Physician1356323729
  3. Hassan Ibrahim, M.D.Cardiovascular Disease Physician1326027442
  4. Fredric Itzkowitz, D.O.Surgery Physician1649266362
  5. Sheri Kershaw, NP-CFamily Nurse Practitioner1306274501
  6. Michael Lyster, D.O.Cardiovascular Disease Physician1295714590

Verify Lawrence McCormack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 034991
    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 Ohio 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.

40% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,679 Medicare Part D claims for 357 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Lawrence McCormack1,679
  2. Specialty average2,785

Most prescribed

  1. Pantoprazole Sodium294 claims
  2. Dicyclomine Hcl237 claims
  3. Omeprazole218 claims
  4. Famotidine97 claims
  5. Colestipol Hcl43 claims
  6. Esomeprazole Magnesium40 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 practice group's Medicare quality score for 2023: 87.3 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.

  1. Qualityout of 100 · 30% of the final score76.8
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $566.53

30 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lawrence McCormack$566.53
  2. Specialty average$2,536.66

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

21 internal medicine physician records list a Sandusky practice address

They are 21 of the 1,170 NPPES records with a Sandusky practice address, and 5,995 internal medicine physician records in Ohio.

Other internal medicine physician records in Ohio

  1. Evan Abalos, D.O.Toledo, OH1194163089
  2. Teah Abashidze, M.D.Cleveland, OH1336179647
  3. Rami Abboud, MDLorain, OH1487854972
  4. Walid Abboud, MDCleveland, OH1245295559
  5. Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
  6. Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
  7. Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
  8. Mohammed Abdelaziz, MDDayton, OH1831326701
  9. Bahaa Abdelghaffar, MDCleveland, OH1265954275
  10. John Abdelnour, MDCleveland, OH1114656931

Common questions

What is Lawrence McCormack, M.D.'s NPI number?

Lawrence McCormack, M.D.'s National Provider Identifier (NPI) is 1831168608, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence McCormack, M.D. located?

The NPPES record lists a practice address at 703 Tyler St, Sandusky, OH, 44870. Phone: (419) 627-1056. Providers update this record themselves, so call before visiting.

How can I verify Lawrence McCormack, M.D.'s license?

NPPES lists Ohio license number 034991, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lawrence McCormack, M.D. prescribe under Medicare Part D?

In 2024, Lawrence McCormack, M.D. had 1,679 Medicare Part D claims for 357 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Lawrence McCormack, M.D.'s Medicare quality score?

The 2023 MIPS final score is 87.3 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), 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.