Joseph Tremaglio, M.D.
NPI 1841519451 · Nephrology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Tremaglio, M.D. is a Nephrology Physician provider in Hartford, CT (NPI 1841519451).
Provider details
- NPI number
- 1841519451
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 254185 (MA)
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
16 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
1,485 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 | 319 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 209 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 207 | $121 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 169 | $360 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 159 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 295 | 54 |
| Amlodipine Besylate | 281 | 89 |
| Valsartan | 188 | 61 |
| Calcitriol | 182 | 55 |
| Tamsulosin Hcl | 174 | 45 |
| Pantoprazole Sodium | 152 | 36 |
| Carvedilol | 147 | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3 across 1 record (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
- 2010-05-21
- Last updated
- 2016-03-04
Frequently asked questions
- What is Joseph Tremaglio's NPI number?
- Joseph Tremaglio's National Provider Identifier (NPI) is 1841519451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Tremaglio's specialty?
- Joseph Tremaglio is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Tremaglio located?
- Joseph Tremaglio's practice location on file with NPPES is 85 Seymour St, Hartford, CT 06106-5501.
- What is Joseph Tremaglio's phone number?
- The practice phone number listed in the NPPES registry for Joseph Tremaglio is (860) 241-0700.
- Does Joseph Tremaglio accept Medicare?
- Joseph Tremaglio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Tremaglio's NPI active?
- Yes — Joseph Tremaglio's NPI (1841519451) is active in the NPPES registry as of the last update on 2016-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.