Nisarg Changawala, MD
NPI 1639408297 · Pulmonary Disease Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nisarg Changawala, MD is a Pulmonary Disease Physician provider in Las Vegas, NV (NPI 1639408297).
Provider details
- NPI number
- 1639408297
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 15971 (NV)
Specialties & taxonomies
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
5,091 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,332 | $124 |
| 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 | 462 | $16 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 425 | $38 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 412 | $55 |
| Test to Determine Lung Volumes Using Sensors94726 | 406 | $54 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 652 | 141 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 318 | 157 |
| Montelukast Sodium | 312 | 92 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 258 | 68 |
| Tiotropium Bromidebrand: Spiriva Respimat | 173 | 45 |
| Fluticasone Propionate | 108 | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$339 across 3 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
- 2009-12-10
- Last updated
- 2025-05-13
- Certified
- 2025-05-13
Frequently asked questions
- What is Nisarg Changawala's NPI number?
- Nisarg Changawala's National Provider Identifier (NPI) is 1639408297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nisarg Changawala's specialty?
- Nisarg Changawala is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nisarg Changawala located?
- Nisarg Changawala's practice location on file with NPPES is 653 N Town Center Dr Ste 604, Las Vegas, NV 89144-0520.
- What is Nisarg Changawala's phone number?
- The practice phone number listed in the NPPES registry for Nisarg Changawala is (702) 737-5864.
- Does Nisarg Changawala accept Medicare?
- Nisarg Changawala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nisarg Changawala's NPI active?
- Yes — Nisarg Changawala's NPI (1639408297) is active in the NPPES registry as of the last update on 2025-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.