Mark Lijewski, MD
NPI 1487625471 · Gastroenterology Physician · Spartanburg, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lijewski, MD is a Gastroenterology Physician provider in Spartanburg, SC (NPI 1487625471).
Provider details
- NPI number
- 1487625471
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19685 (SC)
Specialties & taxonomies
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
1,299 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 310 | $122 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 184 | $64 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 123 | $130 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 113 | $243 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 103 | $161 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 499 | 175 |
| Omeprazole | 275 | 92 |
| Famotidine | 147 | 41 |
| Sucralfate | 83 | 28 |
| Colestipol Hcl | 54 | 24 |
| Dicyclomine Hcl | 44 | 17 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 41 | 39 |
| Budesonide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$537 across 32 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
- 2006-01-30
- Last updated
- 2021-02-04
- Certified
- 2021-02-04
Frequently asked questions
- What is Mark Lijewski's NPI number?
- Mark Lijewski's National Provider Identifier (NPI) is 1487625471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lijewski's specialty?
- Mark Lijewski is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lijewski located?
- Mark Lijewski's practice location on file with NPPES is 853 N Church St, Spartanburg, SC 29303.
- What is Mark Lijewski's phone number?
- The practice phone number listed in the NPPES registry for Mark Lijewski is (864) 560-1674.
- Does Mark Lijewski accept Medicare?
- Mark Lijewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lijewski's NPI active?
- Yes — Mark Lijewski's NPI (1487625471) is active in the NPPES registry as of the last update on 2021-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.