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NATRAJAN ENTERPRISES, PLLC
NPI 1730879008
Internal Medicine - Pulmonary Disease in Tucson, AZ

Active since May 10, 2023
4318 E DESERT OAK TRL, TUCSON, AZ 85718(520) 419-1728 Get Directions Write a Review

NPPES record last updated: October 12, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2023, May 10, 2023 (2 updates tracked since 2023).

About Natrajan Enterprises, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATRAJAN ENTERPRISES, PLLC (NPI 1730879008) is a healthcare organization registered as a pulmonary disease in Tucson, Arizona and active in the NPI registry since May 2023. The organization lists Catharine Nolan Belanger, Manager, as its authorized official.

NPPES Registry Identity

NPI1730879008
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameNATRAJAN ENTERPRISES, PLLC
Location Address4318 E DESERT OAK TRLTucson, AZ 85718-6700
Mailing Address9420 E Golf Links Rd, Ste 108, Pmb 284Tucson, AZ 85730-1317 · (520) 447-7411 · Fax (520) 210-7422
Phone(520) 419-1728
Organization SubpartNo
Authorized OfficialCatharine Nolan BelangerManager · (925) 518-2527
Enumeration DateMay 10, 2023
Last NPPES UpdateOctober 12, 20232 updates tracked since enumeration
NPPES CertifiedOctober 12, 2023
✔ NPI 1730879008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
4318 E DESERT OAK TRL, Tucson, AZ 85718
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Natrajan Enterprises, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Natrajan Enterprises, PLLC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Khaled Hadeli, MD
Pulmonary Disease
NPI 1922090273
9420 E GOLF LINKS ROAD, STE 108 PMB 284
Tucson, AZ 85730
(520) 447-7413
✔ PECOS✔ Accepts Medicare8.7 mi
Sunil Natrajan, MD
Critical Care (Intensivists)
NPI 1831181189
9420 E GOLF LINKS ROAD, STE 108 PMB 284
Tucson, AZ 85730
(520) 447-7413
✔ PECOS✔ Accepts Medicare8.7 mi
Christopher Neal, FNP-C
Nurse Practitioner
NPI 1114308301
9420 E GOLF LINKS ROAD, STE 108 PMB 284
Tucson, AZ 85730
(520) 447-7413
✔ PECOS✔ Accepts Medicare8.7 mi
Neil Clements, MD
Critical Care (Intensivists)
NPI 1013909365
9420 E GOLF LINK ROAD, STE 108 PMB 284
Tucson, AZ 85730
(520) 447-7413
✔ PECOS✔ Accepts Medicare8.8 mi
Yu Ya Huang, M. D.
Pulmonary Disease
NPI 1992851828
1955 W FRYE RD
Chandler, AZ 85224
(480) 909-3870
✔ PECOS✔ Accepts Medicare90 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Natrajan Enterprises, PLLC's NPI number?

The NPI number for Natrajan Enterprises, PLLC is 1730879008. It was assigned to this organization in the NPPES registry on May 10, 2023.

Where is Natrajan Enterprises, PLLC located?

Natrajan Enterprises, PLLC is located at 4318 E Desert Oak Trl, Tucson, AZ 85718. The listed phone number is (520) 419-1728.

What is Natrajan Enterprises, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Natrajan Enterprises, PLLC enrolled in Medicare?

Yes. Natrajan Enterprises, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Natrajan Enterprises, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Natrajan Enterprises, PLLC, in Critical Care (Intensivists), Nurse Practitioner and Pulmonary Disease. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Natrajan Enterprises, PLLC was last updated on October 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.