Doctor profile · Federal record

Dr. Jeffrey Nascimento, D.O.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Sleep Medicine (Internal Medicine) Physician · Hartford, CT

  • NPI 1235256934
  • Accepts Medicare
  • MIPS 81.7 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
85 Seymour St, Suite 903
Hartford, CT 061065501
(860) 547-1876
fax (860) 520-1379
Mailing address
85 Seymour Street, Suite 923
Hartford, CT 06106

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
April 1, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Connecticut #046503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235256934. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,019
Distinct HCPCS
10
Medicare allowed
$145,574
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 337 148 $225
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 285 150 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 63 52 $132
95806 Sleep study including heart rate, breathing, airflow, and effort 56 56 $100
99213 Established patient office or other outpatient visit, 20-29 minutes 56 48 $96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 55 31 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 50 50 $183
95810 Sleep study in sleep lab (6 years or older) 25 25 $123
94060 Test to measure expiratory airflow and volume changes before and after medication administration 22 22 $42
94729 Test to examine how well the lungs exchange gases 20 20 $62

In context: peer comparison

Among 8 peers in Hartford Pulmonary Disease Physician, average services per provider: 77. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42,616
Transactions
147
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 67 $40,817.81
AstraZeneca Pharmaceuticals Lp 19 $454.96
Harmony Biosciences LLC 11 $251.18
Regeneron Healthcare Solutions, INC. 10 $197.71
Jazz Pharmaceuticals INC. 7 $170.90
Electromed, INC. 11 $146.95
Avadel CNS Pharmaceuticals, LLC 5 $122.51
Takeda Pharmaceuticals U.S.A., INC. 5 $120.21
Amgen INC. 4 $100.68
Zoll Respicardia, INC. 2 $65.68
Harmony Biosciences LLC 2 $55.70
Pfizer INC. 1 $34.54
Boston Scientific Corporation 1 $22.75
Insmed, INC. 1 $21.39
Alexion Pharmaceuticals, INC. 1 $19.60

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$38,675
Food and Beverage
$3,345
Travel and Lodging
$596

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
507
Patients
107
Total drug cost
$174,525
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 111 35 $93,880
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 68 28 $2,409
Breo Ellipta (Fluticasone/Vilanterol) Brand 46 17 $26,435
Zolpidem Tartrate Generic 35 0 $291
Armodafinil Generic 31 0 $3,164
Prednisone Generic 30 27 $169
Symbicort (Budesonide/Formoterol Fumarate) Brand 27 0 $13,190
Ventolin Hfa (Albuterol Sulfate) Brand 26 0 $1,713
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 24 0 $11,722
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 24 0 $16,174

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Nascimento's medical specialty?
Dr. Jeffrey Nascimento practices Pulmonary Disease Physician in Hartford, CT.
Where does Dr. Jeffrey Nascimento practice?
Dr. Jeffrey Nascimento practices at 85 Seymour St, Hartford, CT 061065501. Office phone: 8605471876.
What is Dr. Jeffrey Nascimento's NPI?
Dr. Jeffrey Nascimento's National Provider Identifier (NPI) is 1235256934, issued by NPPES.
Does Dr. Jeffrey Nascimento accept Medicare assignment?
Yes. Dr. Jeffrey Nascimento accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Nascimento commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.