Michael Madievsky, MD
NPI 1982696613 · Gastroenterology Physician · Tarzana, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Madievsky, MD is a Gastroenterology Physician provider in Tarzana, CA (NPI 1982696613).
Provider details
- NPI number
- 1982696613
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A65040 (CA)
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
3,638 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 | 651 | $138 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 607 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 387 | $98 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 284 | $94 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 279 | $42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 485 | 131 |
| Linaclotidebrand: Linzess | 366 | 73 |
| Pantoprazole Sodium | 322 | 86 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 282 | 40 |
| Famotidine | 215 | 47 |
| Esomeprazole Magnesium | 198 | 40 |
| Dicyclomine Hcl | 164 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,050 across 187 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
- 2005-08-18
- Last updated
- 2020-05-12
- Certified
- 2020-05-12
Frequently asked questions
- What is Michael Madievsky's NPI number?
- Michael Madievsky's National Provider Identifier (NPI) is 1982696613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Madievsky's specialty?
- Michael Madievsky is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Madievsky located?
- Michael Madievsky's practice location on file with NPPES is 5525 Etiwanda Ave Ste 110, Tarzana, CA 91356-3642.
- What is Michael Madievsky's phone number?
- The practice phone number listed in the NPPES registry for Michael Madievsky is (818) 996-4796.
- Does Michael Madievsky accept Medicare?
- Michael Madievsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Madievsky's NPI active?
- Yes — Michael Madievsky's NPI (1982696613) is active in the NPPES registry as of the last update on 2020-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.