Dhanasekaran Ramasamy, M.D.
NPI 1689875700 · Gastroenterology Physician · Union, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dhanasekaran Ramasamy, M.D. is a Gastroenterology Physician provider in Union, NJ (NPI 1689875700).
Provider details
- NPI number
- 1689875700
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA08237900 (NJ)
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
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
2,612 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 790 | $53 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 678 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 317 | $143 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 240 | $141 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 180 | $62 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 268 | 150 |
| Metoclopramide Hcl | 213 | 193 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 64 | 63 |
| Ursodiol | 49 | 18 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 42 | 40 |
| Lipase/Protease/Amylasebrand: Zenpep | 42 | 18 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$214 across 5 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
- 2007-05-29
- Last updated
- 2009-09-22
Frequently asked questions
- What is Dhanasekaran Ramasamy's NPI number?
- Dhanasekaran Ramasamy's National Provider Identifier (NPI) is 1689875700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dhanasekaran Ramasamy's specialty?
- Dhanasekaran Ramasamy is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Dhanasekaran Ramasamy located?
- Dhanasekaran Ramasamy's practice location on file with NPPES is 695 Chestnut St, Union, NJ 07083-9302.
- What is Dhanasekaran Ramasamy's phone number?
- The practice phone number listed in the NPPES registry for Dhanasekaran Ramasamy is (908) 688-6565.
- Does Dhanasekaran Ramasamy accept Medicare?
- Dhanasekaran Ramasamy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dhanasekaran Ramasamy's NPI active?
- Yes — Dhanasekaran Ramasamy's NPI (1689875700) is active in the NPPES registry as of the last update on 2009-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.