Krishnaiyer Subramani, MD
NPI 1295794105 · Gastroenterology Physician · West Islip, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Krishnaiyer Subramani, MD is a Gastroenterology Physician provider in West Islip, NY (NPI 1295794105).
Provider details
- NPI number
- 1295794105
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 170817 (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
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
1,505 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 916 | $95 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 142 | $123 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 112 | $89 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 85 | $263 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $133 |
| 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 | 529 | 174 |
| Pantoprazole Sodium | 223 | 74 |
| Famotidine | 166 | 53 |
| Dicyclomine Hcl | 158 | 55 |
| Rabeprazole Sodium | 77 | 25 |
| Hydrocortisone | 52 | 30 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 46 | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$490 across 16 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
- 2006-03-20
- Last updated
- 2008-05-22
Frequently asked questions
- What is Krishnaiyer Subramani's NPI number?
- Krishnaiyer Subramani's National Provider Identifier (NPI) is 1295794105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krishnaiyer Subramani's specialty?
- Krishnaiyer Subramani is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Krishnaiyer Subramani located?
- Krishnaiyer Subramani's practice location on file with NPPES is 500 Montauk Hwy, West Islip, NY 11795-4418.
- What is Krishnaiyer Subramani's phone number?
- The practice phone number listed in the NPPES registry for Krishnaiyer Subramani is (631) 422-4343.
- Does Krishnaiyer Subramani accept Medicare?
- Krishnaiyer Subramani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Krishnaiyer Subramani's NPI active?
- Yes — Krishnaiyer Subramani's NPI (1295794105) is active in the NPPES registry as of the last update on 2008-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.