Isaac Galandauer, M.D.
NPI 1356543276 · Gastroenterology Physician · Florham Park, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Galandauer, M.D. is a Gastroenterology Physician provider in Florham Park, NJ (NPI 1356543276).
Provider details
- NPI number
- 1356543276
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 235286 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
815 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 | 167 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 142 | $98 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 108 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 108 | $182 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 83 | $268 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 449 | 162 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 126 | 122 |
| Famotidine | 124 | 41 |
| Omeprazole | 81 | 25 |
| Sucralfate | 68 | 30 |
| Linaclotidebrand: Linzess | 58 | 17 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$300 across 18 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
- 2007-06-04
- Last updated
- 2018-11-27
Frequently asked questions
- What is Isaac Galandauer's NPI number?
- Isaac Galandauer's National Provider Identifier (NPI) is 1356543276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Galandauer's specialty?
- Isaac Galandauer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Galandauer located?
- Isaac Galandauer's practice location on file with NPPES is 140 Park Ave, Florham Park, NJ 07932-1313.
- What is Isaac Galandauer's phone number?
- The practice phone number listed in the NPPES registry for Isaac Galandauer is (973) 401-0500.
- Does Isaac Galandauer accept Medicare?
- Isaac Galandauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Galandauer's NPI active?
- Yes — Isaac Galandauer's NPI (1356543276) is active in the NPPES registry as of the last update on 2018-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.