Lawrence Mccormack, M.D.
NPI 1831168608 · Gastroenterology Physician · Sandusky, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Mccormack, M.D. is a Gastroenterology Physician provider in Sandusky, OH (NPI 1831168608).
Provider details
- NPI number
- 1831168608
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 034991 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
117 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $86 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 19 | $118 |
Typical Medicare-allowed amounts for these services range $86–$118 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 294 | 80 |
| Dicyclomine Hcl | 237 | 57 |
| Omeprazole | 218 | 70 |
| Famotidine | 97 | 31 |
| Colestipol Hcl | 43 | 15 |
| Esomeprazole Magnesium | 40 | — |
| Sulfasalazine | 39 | 13 |
| Lipase/Protease/Amylasebrand: Zenpep |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$567 across 30 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-15
- Last updated
- 2017-04-03
Frequently asked questions
- What is Lawrence Mccormack's NPI number?
- Lawrence Mccormack's National Provider Identifier (NPI) is 1831168608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Mccormack's specialty?
- Lawrence Mccormack is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Mccormack located?
- Lawrence Mccormack's practice location on file with NPPES is 703 Tyler St, Sandusky, OH 44870-3392.
- What is Lawrence Mccormack's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Mccormack is (419) 627-1056.
- Does Lawrence Mccormack accept Medicare?
- Lawrence Mccormack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Mccormack's NPI active?
- Yes — Lawrence Mccormack's NPI (1831168608) is active in the NPPES registry as of the last update on 2017-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.