Peter Mavrelis, MD
NPI 1326043597 · Gastroenterology Physician · Hobart, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Mavrelis, MD is a Gastroenterology Physician provider in Hobart, IN (NPI 1326043597).
Provider details
- NPI number
- 1326043597
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01030831A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
141 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 41 | $213 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 32 | $100 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 27 | $167 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 17 | $123 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 13 | $73 |
Practice location
Mailing address
Additional practice locations (2)
- 101 E 87th Ave Ste 420Merrillville, IN 46410-7335Phone: (219) 758-5008Fax: (219) 758-5009
- 3800 Saint Mary Rd Ste 304Valparaiso, IN 46383-3986Phone: (219) 947-6795Fax: (219) 703-6896
Registry dates
- Enumerated
- 2005-06-15
- Last updated
- 2022-12-09
- Certified
- 2022-12-09
Frequently asked questions
- What is Peter Mavrelis's NPI number?
- Peter Mavrelis's National Provider Identifier (NPI) is 1326043597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Mavrelis's specialty?
- Peter Mavrelis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Mavrelis located?
- Peter Mavrelis's practice location on file with NPPES is 7895 Grand Blvd, Hobart, IN 46342-6665.
- What is Peter Mavrelis's phone number?
- The practice phone number listed in the NPPES registry for Peter Mavrelis is (219) 947-1910.
- Does Peter Mavrelis accept Medicare?
- Peter Mavrelis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Mavrelis's NPI active?
- Yes — Peter Mavrelis's NPI (1326043597) is active in the NPPES registry as of the last update on 2022-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.