NPPES file of Aug 9, 2026

Sunil Natrajan, MD

Pulmonary Disease Physician · Tucson, AZ

Sunil Natrajan, MD is a pulmonary disease physician with a practice address in Tucson, Arizona, and NPI 1831181189, issued on Aug 22, 2005. Check the license (Arizona 21356, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831181189
Name
Sunil Natrajan
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
21356 AZ
Self-reported in NPPES; status is on the state search
Practice location
9420 E Golf Links Road, Ste 108, Tucson, AZ 85730
Phone
(520) 447-7413
Enumerated
Aug 22, 2005
Record last updated
Jul 3, 2023
Fax
(520) 210-7422
Medicaid ID
180266 AZ
Medicare enrollment
Enrolled (PECOS I20060621000082); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9420 E Golf Links Road, Ste 108

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Khaled Hadeli, MDPulmonary Disease Physician1922090273
  2. Christopher Neal, FNP-CFamily Nurse Practitioner1114308301

Verify Sunil Natrajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 21356
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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68% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

459 Medicare Part D claims for 119 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Sunil Natrajan459
  2. Specialty average1,425

Most prescribed

  1. Prednisone55 claims
  2. Trelegy Ellipta48 claims
  3. Albuterol Sulfate Hfa38 claims
  4. Breo Ellipta33 claims
  5. Budesonide29 claims
  6. Azithromycin28 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 23.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%79.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Natrajan Enterprises PLLCTucson, AZ
  2. Nuvoair Medical PCTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sunil Natrajan among 285 pulmonary disease physician records in Arizona

Sunil Natrajan, MD is one of 285 pulmonary disease physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1989 · median 1998 among the 202 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Arizona

There are 285 pulmonary disease physician records in Arizona.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Neil Clements, MDTucson, AZ 857301013909365
  2. Khaled Hadeli, MDTucson, AZ 857301922090273
  3. Audrey Adkins, MDTucson, AZ 857241811631864
  4. Billie Bixby, M.D.Tucson, AZ 857241770801938
  5. Shannon Brewer, DOTucson, AZ 857241912649310
  6. Ahmed Tammer El-Aini, M.D.Tucson, AZ 857241942407101
  7. Martha Gallegos, MDTucson, AZ 857241427686013
  8. Swathi Jothi, MDTucson, AZ 857241184293342

Common questions

What is Sunil Natrajan, MD's NPI number?

Sunil Natrajan, MD's National Provider Identifier (NPI) is 1831181189, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sunil Natrajan, MD located?

The NPPES record lists a practice address at 9420 E Golf Links Road, Ste 108, Tucson, AZ, 85730. Phone: (520) 447-7413. Providers update this record themselves, so call before visiting.

How can I verify Sunil Natrajan, MD's license?

NPPES lists Arizona license number 21356, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sunil Natrajan, MD prescribe under Medicare Part D?

In 2024, Sunil Natrajan, MD had 459 Medicare Part D claims for 119 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Sunil Natrajan, MD's MIPS final score?

The 2023 MIPS final score is 23.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.