Jeffrey Nascimento, D.O.
NPI 1235256934 · Pulmonary Disease Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Nascimento, D.O. is a Pulmonary Disease Physician provider in Hartford, CT (NPI 1235256934).
Provider details
- NPI number
- 1235256934
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 046503 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
780 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 269 | $218 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 217 | $83 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 69 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 162 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 94 | 37 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 53 | 13 |
| Prednisone | 47 | 36 |
| Montelukast Sodium | 39 | 15 |
| Armodafinil | 36 | — |
| Zolpidem Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42,616 across 148 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
- 2007-03-26
- Last updated
- 2021-04-01
- Certified
- 2021-04-01
Frequently asked questions
- What is Jeffrey Nascimento's NPI number?
- Jeffrey Nascimento's National Provider Identifier (NPI) is 1235256934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Nascimento's specialty?
- Jeffrey Nascimento is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Nascimento located?
- Jeffrey Nascimento's practice location on file with NPPES is 85 Seymour St, Hartford, CT 06106-5501.
- What is Jeffrey Nascimento's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Nascimento is (860) 547-1876.
- Does Jeffrey Nascimento accept Medicare?
- Jeffrey Nascimento is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Nascimento's NPI active?
- Yes — Jeffrey Nascimento's NPI (1235256934) is active in the NPPES registry as of the last update on 2021-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.