Leonid Shamban, D.O.
NPI 1225398431 · Gastroenterology Physician · Saint Clair Shores, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonid Shamban, D.O. is a Gastroenterology Physician provider in Saint Clair Shores, MI (NPI 1225398431).
Provider details
- NPI number
- 1225398431
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101019763 (MI)
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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,107 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 434 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 114 | $90 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 99 | $252 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 96 | $93 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 90 | $50 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 249 | 97 |
| Rabeprazole Sodium | 162 | 53 |
| Famotidine | 134 | 49 |
| Ustekinumabbrand: Stelara | 97 | 16 |
| Linaclotidebrand: Linzess | 38 | 16 |
| Mesalamine | 37 | — |
| Pantoprazole Sodium | 35 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,172 across 137 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
Additional practice locations (1)
- 22250 Providence Dr Ste 301aSouthfield, MI 48075-6211Phone: (248) 849-3281Fax: (248) 849-5449
Registry dates
- Enumerated
- 2012-05-22
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is Leonid Shamban's NPI number?
- Leonid Shamban's National Provider Identifier (NPI) is 1225398431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonid Shamban's specialty?
- Leonid Shamban is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonid Shamban located?
- Leonid Shamban's practice location on file with NPPES is 28963 Little Mack Ave Ste 101, Saint Clair Shores, MI 48081-3017.
- What is Leonid Shamban's phone number?
- The practice phone number listed in the NPPES registry for Leonid Shamban is (586) 447-0700.
- Does Leonid Shamban accept Medicare?
- Leonid Shamban is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonid Shamban's NPI active?
- Yes — Leonid Shamban's NPI (1225398431) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.