Isadore Gutwein, M.D.
NPI 1053306480 · Gastroenterology Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isadore Gutwein, M.D. is a Gastroenterology Physician provider in Bronx, NY (NPI 1053306480).
Provider details
- NPI number
- 1053306480
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 121055 (NY)
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
252 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 | 81 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $103 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $184 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 22 | $273 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 21 | $128 |
| 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 244 | 94 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 113 | 103 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 52 | — |
| Linaclotidebrand: Linzess | 36 | — |
| Nortriptyline Hcl | 29 | — |
| Esomeprazole Magnesium | 27 | — |
| Loperamide Hclbrand: Loperamide | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,278 across 81 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
- 2005-09-12
- Last updated
- 2010-07-22
Frequently asked questions
- What is Isadore Gutwein's NPI number?
- Isadore Gutwein's National Provider Identifier (NPI) is 1053306480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isadore Gutwein's specialty?
- Isadore Gutwein is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Isadore Gutwein located?
- Isadore Gutwein's practice location on file with NPPES is 3765 Riverdale Ave, Bronx, NY 10463-1845.
- What is Isadore Gutwein's phone number?
- The practice phone number listed in the NPPES registry for Isadore Gutwein is (718) 549-4267.
- Does Isadore Gutwein accept Medicare?
- Isadore Gutwein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isadore Gutwein's NPI active?
- Yes — Isadore Gutwein's NPI (1053306480) is active in the NPPES registry as of the last update on 2010-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.