Lawrence Szarka, M.D.
NPI 1619949815 · Gastroenterology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Szarka, M.D. is a Gastroenterology Physician provider in Rochester, MN (NPI 1619949815).
Provider details
- NPI number
- 1619949815
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME178102 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
297 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Study of Rectum Sensitivity and Function91122 | 57 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 53 | $111 |
| Telephone, Internet, Or Electronic Health Record Assessment and Management With Written Report By Consulting Physician, at Least 5 Minutes99451 | 48 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $90 |
| Measurement of Hydrogen in Breath to Test for Stomach and Bowel Symptoms91065 | 25 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Linaclotidebrand: Linzess | 39 | 13 |
| Omeprazole | 26 | 13 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 23 | 22 |
| Pantoprazole Sodium | 22 | — |
| Lubiprostone | 22 | — |
| Trimethoprim | 19 | — |
| Lipase/Protease/Amylasebrand: Zenpep | 17 | — |
Practice location
Mailing address
Additional practice locations (1)
- 4500 San Pablo Rd SJacksonville, FL 32224-1865Phone: (904) 953-2000
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Lawrence Szarka's NPI number?
- Lawrence Szarka's National Provider Identifier (NPI) is 1619949815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Szarka's specialty?
- Lawrence Szarka is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Szarka located?
- Lawrence Szarka's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Lawrence Szarka's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Szarka is (507) 284-2511.
- Does Lawrence Szarka accept Medicare?
- Lawrence Szarka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Szarka's NPI active?
- Yes — Lawrence Szarka's NPI (1619949815) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.