ALLIANCE HOSPITALISTS
NPI 1831166230
Internal Medicine in Phoenix, AZ

Q: What is Aia Hospitalists LLC's NPI number?

The NPI number for Aia Hospitalists LLC is 1831166230. It was assigned to this organization in the NPPES registry on March 3, 2006. The provider is doing business as Alliance Hospitalists.

Q: What is Aia Hospitalists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 03, 2006

4530 E MUIRWOOD DR, SUITE 105, PHOENIX, AZ 85048(480) 961-2307(480) 961-0419 Get Directions Write a Review

NPPES record last updated: January 25, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Alliance Hospitalists NPPES

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

ALLIANCE HOSPITALISTS (NPI 1831166230) is a healthcare organization registered as an internal medicine in Phoenix, Arizona and active in the NPI registry since March 2006. The organization lists Edward O Tokatlian, Owner President, as its authorized official.

NPPES Registry Identity

NPI1831166230

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameAIA HOSPITALISTS LLC

Location Address4530 E MUIRWOOD DR, SUITE 105Phoenix, AZ 85048-7693

Mailing Address4530 E Muirwood Dr, Suite 105Phoenix, AZ 85048-7693 · (480) 961-2307 · Fax (480) 961-0419

Phone(480) 961-2307

Fax(480) 961-0419

Organization SubpartNo

Authorized OfficialEdward O TokatlianOwner President · (480) 961-2307

Enumeration DateMarch 3, 2006

Last NPPES UpdateJanuary 25, 2011

✔ NPI 1831166230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4530 E MUIRWOOD DR, Phoenix, AZ 85048

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Other Names 1

Doing Business AsAlliance Hospitalists

Other Identifiers 2

Medicare PINZ102807AZ

Medicare PINDD3815AZ

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)

Alliance Hospitalists is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 67 clinicians reassign Medicare billing to Alliance Hospitalists, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 33 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Internal Medicine54

Nurse Practitioner9

Family Practice2

Hospitalist2

Nearest to this location (20)

See all 67

Tanmay Chimegawe, M.D.

Internal Medicine

NPI 1164671046

4530 E MUIRWOOD DR #105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Spogmai Khan, MD

Internal Medicine

NPI 1427631472

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Samina Rahman, MD

Internal Medicine

NPI 1629402342

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Katherine Rollins, DO

Internal Medicine

NPI 1972127033

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2307

✔ PECOS✔ Accepts MedicareSame address

Roma Teekamdas, M.D.

Family Practice

NPI 1245673714

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Paul Kim, MD

Internal Medicine

NPI 1104088715

4530 E MUIRWOOD DR #105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Norberto Perez, D.O.

Internal Medicine

NPI 1083600167

4530 E MUIRWOOD DR SUITE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOSSame address

Faraz Alam, MD

Internal Medicine

NPI 1336100478

4530 E MUIRWOOD DR #105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Collins Appiah, MD

Internal Medicine

NPI 1902069768

4530 E MUIRWOOD DR #105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Vijaya Avija, MD

Internal Medicine

NPI 1659536704

4530 E MUIRWOOD DR SUITE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Prabhunandan Hiremath, M.D.

Internal Medicine

NPI 1831155001

4530 E MUIRWOOD DR 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Matthew Kerzan, M.D.

Internal Medicine

NPI 1518977073

4530 E MUIRWOOD DR #105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Steven Nguyen, D.O.

Internal Medicine

NPI 1841483229

4530 E MUIRWOOD DR #105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Rajesh Saxena, M.D.

Internal Medicine

NPI 1871550681

4530 E MUIRWOOD DR 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

David Tomich, D.O.

Internal Medicine

NPI 1689665804

4530 E MUIRWOOD DR SUITE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts MedicareSame address

Raechel Dickman, DO

Internal Medicine

NPI 1548951312

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2307

✔ PECOS✔ Accepts Medicare0.1 mi

Colten Dillinger, DO

Internal Medicine

NPI 1275282493

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts Medicare0.1 mi

Bailey Sperry, MD

Internal Medicine

NPI 1467141275

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2307

✔ PECOS✔ Accepts Medicare0.1 mi

Basel Alebrahim, M.D.

Internal Medicine

NPI 1205094935

4530 E MUIRWOOD DR SUITE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts Medicare0.1 mi

Zachary Burkhart, MD

Internal Medicine

NPI 1831696384

4530 E MUIRWOOD DR STE 105
Phoenix, AZ 85048

(480) 961-2303

✔ PECOS✔ Accepts Medicare0.1 mi

See all 67 clinicians

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 Aia Hospitalists LLC's NPI number?

The NPI number for Aia Hospitalists LLC is 1831166230. It was assigned to this organization in the NPPES registry on March 3, 2006. The provider is doing business as Alliance Hospitalists.

Where is Aia Hospitalists LLC located?

Aia Hospitalists LLC is located at 4530 E Muirwood Dr Suite 105, Phoenix, AZ 85048. The listed phone number is (480) 961-2307.

What is Aia Hospitalists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Aia Hospitalists LLC enrolled in Medicare?

Yes. Aia Hospitalists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Aia Hospitalists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 67 clinicians in 4 Medicare specialties reassign their Medicare billing to Aia Hospitalists LLC. 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. The largest specialties are Internal Medicine (54), Nurse Practitioner (9) and Family Practice (2). Of these, 15 practice at this address and 33 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 Aia Hospitalists LLC was last updated on January 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.