Inderjit Singh, MD
NPI 1538477658 · Pulmonary Disease Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Inderjit Singh, MD is a Pulmonary Disease Physician provider in New Haven, CT (NPI 1538477658).
Provider details
- NPI number
- 1538477658
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 57321 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
315 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 70 | $158 |
| Critical Care, First 30-74 Minutes99291 | 46 | $216 |
| Test for Exercise-Induced Heart and Lung Stress94621 | 37 | $68 |
| Insertion of Tube in Right Heart Chambers for Measurement93451 | 29 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 | $148 |
| Test for Exercise-Induced Heart and Lung Stress94621 | 21 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sildenafil Citrate | 140 | 33 |
| Ambrisentan | 135 | 16 |
| Macitentanbrand: Opsumit | 89 | 15 |
| Riociguatbrand: Adempas | 88 | 12 |
| Treprostinilbrand: Tyvaso Dpi | 87 | 13 |
| Tadalafil | 82 | 19 |
| Treprostinil Diolaminebrand: Orenitram Er | 58 |
Practice location
Mailing address
Additional practice locations (1)
- 525 E 68th StBox 321New York, NY 10065-4870Phone: (212) 305-6081
Registry dates
- Enumerated
- 2010-09-23
- Last updated
- 2018-03-17
Frequently asked questions
- What is Inderjit Singh's NPI number?
- Inderjit Singh's National Provider Identifier (NPI) is 1538477658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Inderjit Singh's specialty?
- Inderjit Singh is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Inderjit Singh located?
- Inderjit Singh's practice location on file with NPPES is 300 Cedar Street, New Haven, CT 06519.
- What is Inderjit Singh's phone number?
- The practice phone number listed in the NPPES registry for Inderjit Singh is (203) 785-3207.
- Does Inderjit Singh accept Medicare?
- Inderjit Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Inderjit Singh's NPI active?
- Yes — Inderjit Singh's NPI (1538477658) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.