Charnjit Singh, MD
NPI 1285603571 · Gastroenterology Physician · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charnjit Singh, MD is a Gastroenterology Physician provider in Rockville Centre, NY (NPI 1285603571).
Provider details
- NPI number
- 1285603571
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 205324 (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
920 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 | 281 | $148 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 135 | $194 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 87 | $288 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 86 | $136 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 85 | $116 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 474 | 145 |
| Pantoprazole Sodium | 164 | 55 |
| Famotidine | 102 | 27 |
| Mesalamine | 36 | — |
| Esomeprazole Magnesium | 31 | — |
| Linaclotidebrand: Linzess | 31 | — |
| Dicyclomine Hcl | 27 | 13 |
| Adalimumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,404 across 61 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
- 2006-03-17
- Last updated
- 2015-06-30
Frequently asked questions
- What is Charnjit Singh's NPI number?
- Charnjit Singh's National Provider Identifier (NPI) is 1285603571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charnjit Singh's specialty?
- Charnjit Singh is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charnjit Singh located?
- Charnjit Singh's practice location on file with NPPES is 176 N Village Ave Ste 2d, Rockville Centre, NY 11570-3800.
- What is Charnjit Singh's phone number?
- The practice phone number listed in the NPPES registry for Charnjit Singh is (516) 763-0556.
- Does Charnjit Singh accept Medicare?
- Charnjit Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charnjit Singh's NPI active?
- Yes — Charnjit Singh's NPI (1285603571) is active in the NPPES registry as of the last update on 2015-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.