Natalia Chavez Stewart, MD in Corona, CA

Natalia Chavez Stewart, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Corona, California. She graduated from medical school in 2002 and has 24 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Southland Arthrites And Osteoporosis Medical Center Inc and her current practice location is 341 Magnolia Ave Ste 206, Corona, California. You can reach out to her office (for appointments etc.) via phone at (951) 209-0008.

Natalia Chavez Stewart is licensed to practice in California (license number A131993) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1235278250.

Contact Information

	Natalia Chavez Stewart, MD
	341 Magnolia Ave Ste 206, Corona, CA 92879-3332
	(951) 209-0008
	(951) 209-0017

Map and Direction

Physician's Profile

Full Name	Natalia Chavez Stewart
Gender	Female
Speciality	Rheumatology
Experience	24 Years
Location	341 Magnolia Ave Ste 206, Corona, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Natalia Chavez Stewart graduated from medical school in 2002

NPI Data:

NPI Number: 1235278250
Provider Enumeration Date: 02/06/2007
Last Update Date: 12/11/2025

Medicare PECOS Information:

PECOS PAC ID: 4284805763
Enrollment ID: I20150707000652

Medical Identifiers

Medical identifiers for Natalia Chavez Stewart such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1235278250	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RR0500X	Internal Medicine - Rheumatology	A131993 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Southland Arthrites And Osteoporosis Medical Center Inc	2567548258	5

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Natalia Chavez Stewart allows following entities to bill medicare on her behalf.

Entity Name	Southland Arthrites And Osteoporosis Medical Center Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033296231 PECOS PAC ID: 2567548258 Enrollment ID: O20080320000390

Entity Name	Arthritis Center Of Riverside Medical Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1013076850 PECOS PAC ID: 4981775319 Enrollment ID: O20080612000488

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Natalia Chavez Stewart is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Natalia Chavez Stewart, MD 341 Magnolia Ave Ste 206, Corona, CA 92879-3332 Ph: (951) 209-0008	Natalia Chavez Stewart, MD 341 Magnolia Ave Ste 206, Corona, CA 92879-3332 Ph: (951) 209-0008

Reviews and Comments

Internal Medicine Doctors in Corona, CA

Dr. Imran Hasnain, MD Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 1157 W Grand Blvd, Corona, CA 92882 Phone: 951-737-1000 Fax: 951-737-1558
M. Mazen Jamal, M.D., M.P.H. Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 2097 Compton Ave Ste 103, Corona, CA 92881 Phone: 951-934-0505 Fax: 951-444-7749
Mr. Narakanti Nimmagadda Rao, MD Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 760 S Washburn Ave #7, Corona, CA 92882 Phone: 951-735-2311 Fax: 951-737-1655
Dr. Isaac K Tsai, M.D. Rheumatology Medicare: Medicare Enrolled Practice Location: 341 Magnolia Ave., Suite 205, Corona, CA 92879 Phone: 951-735-4771 Fax: 951-735-3855
Dr. Mutahir Farhan, MD Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 284 Dupont St Ste 130, Corona, CA 92879 Phone: 951-497-3749 Fax: 954-405-8701
Mr. Gilbert Oscar Plasencia, M.D. Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 2250 S Main St, Suite #201, Corona, CA 92882 Phone: 951-734-4880 Fax: 951-734-7963
Mohammad Khaled Shahin, MD Rheumatology Medicare: Accepting Medicare Assignments Practice Location: 21634 Retreat Pkwy, Corona, CA 92883 Phone: 951-493-6805 Fax: 951-826-8157

Natalia Chavez Stewart, MD - Medicare Rheumatology in Corona, CA