Sunil Natrajan, MD
NPI 1831181189 · Pulmonary Disease Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sunil Natrajan, MD is a Pulmonary Disease Physician provider in Tucson, AZ (NPI 1831181189).
Provider details
- NPI number
- 1831181189
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21356 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,677 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,312 | $75 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,209 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 800 | $113 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 194 | $46 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 158 | $60 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 55 | 31 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 48 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 38 | 21 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 33 | — |
| Budesonide | 29 | — |
| Azithromycin | 28 | 15 |
| Montelukast Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-22
- Last updated
- 2023-07-03
- Certified
- 2023-07-03
Frequently asked questions
- What is Sunil Natrajan's NPI number?
- Sunil Natrajan's National Provider Identifier (NPI) is 1831181189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sunil Natrajan's specialty?
- Sunil Natrajan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Sunil Natrajan located?
- Sunil Natrajan's practice location on file with NPPES is 9420 E Golf Links Road, Ste 108, Tucson, AZ 85730.
- What is Sunil Natrajan's phone number?
- The practice phone number listed in the NPPES registry for Sunil Natrajan is (520) 447-7413.
- Does Sunil Natrajan accept Medicare?
- Sunil Natrajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sunil Natrajan's NPI active?
- Yes — Sunil Natrajan's NPI (1831181189) is active in the NPPES registry as of the last update on 2023-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.