Eric Chacko, M.D.
NPI 1437654662 · Nephrology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chacko, M.D. is a Nephrology Physician provider in New Haven, CT (NPI 1437654662).
Provider details
- NPI number
- 1437654662
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 74328 (CT)
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
8 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
645 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 Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 206 | $80 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 92 | $360 |
| Hemodialysis Procedure With Physician Evaluation90935 | 85 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $130 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 72 | $51 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
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 |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 83 | 24 |
| Sevelamer Carbonate | 39 | 18 |
| Losartan Potassium | 34 | 16 |
| Amlodipine Besylate | 30 | 19 |
| Allopurinol | 23 | — |
| Tamsulosin Hcl | 23 | — |
| Bumetanide | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$515 across 24 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
- 2018-03-28
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Eric Chacko's NPI number?
- Eric Chacko's National Provider Identifier (NPI) is 1437654662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chacko's specialty?
- Eric Chacko is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chacko located?
- Eric Chacko's practice location on file with NPPES is 136 Sherman Ave Ste 405, New Haven, CT 06511-5210.
- What is Eric Chacko's phone number?
- The practice phone number listed in the NPPES registry for Eric Chacko is (203) 787-0117.
- Does Eric Chacko accept Medicare?
- Eric Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chacko's NPI active?
- Yes — Eric Chacko's NPI (1437654662) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.