Doctor profile · Federal record

Dr. Inderjit Singh, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · New Haven, CT

  • NPI 1538477658
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Cedar Street, Tac-441 South
New Haven, CT 06519
(203) 785-3207
fax (203) 785-3826
Additional location
525 E 68Th St, Box 321
New York, NY 100654870
(212) 305-6081

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Connecticut #57321

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538477658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
505
Distinct HCPCS
10
Medicare allowed
$55,859
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 112 76 $150
94621 Test for exercise-induced heart and lung stress 69 59 $71
93451 Insertion of tube in right heart chambers for measurement 43 41 $136
99215 Established patient office or other outpatient visit, 40-54 minutes 40 36 $151
94729 Test to examine how well the lungs exchange gases 34 34 $9
94727 Test to determine lung volumes using gas dilution or washout 31 31 $12
99291 Critical care, first 30-74 minutes 30 17 $225
93463 Drug infusion during cardiac catheterization 27 26 $102
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 22 $126
94010 Test to measure expiratory airflow and volume 24 24 $9

In context: peer comparison

Among 25 peers in New Haven Pulmonary Disease Physician, average services per provider: 57. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
831
Patients
102
Total drug cost
$7,800,377
Drug Type Claims Patients Total cost
Tyvaso Dpi (Treprostinil) Brand 146 20 $3,413,984
Sildenafil Citrate Generic 121 27 $25,206
Ambrisentan Generic 106 17 $419,841
Opsumit (Macitentan) Brand 91 12 $1,159,736
Adempas (Riociguat) Brand 67 0 $924,717
Uptravi (Selexipag) Brand 57 0 $1,319,710
Spironolactone Generic 51 14 $1,000
Furosemide Generic 45 12 $316
Tadalafil Generic 42 0 $51,401
Adcirca (Tadalafil) Brand 34 0 $171,771

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Inderjit Singh's medical specialty?
Dr. Inderjit Singh practices Pulmonary Disease Physician in New Haven, CT.
Where does Dr. Inderjit Singh practice?
Dr. Inderjit Singh practices at 300 Cedar Street, New Haven, CT 06519. Office phone: 2037853207.
What is Dr. Inderjit Singh's NPI?
Dr. Inderjit Singh's National Provider Identifier (NPI) is 1538477658, issued by NPPES.
Does Dr. Inderjit Singh accept Medicare assignment?
Yes. Dr. Inderjit Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Inderjit Singh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Test for exercise-induced heart and lung stress (HCPCS 94621); Insertion of tube in right heart chambers for measurement (HCPCS 93451). Source: CMS Medicare Physician & Other Practitioners file.