Tom S Chang, MD in Pasadena, CA - Medicare Ophthalmology

Tom S Chang, MD is a medicare enrolled "Ophthalmology - Retina Specialist" physician in Pasadena, California. He graduated from medical school in 1988 and has 36 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Retina Institute Of California Medical Group, A California Medical Par and his current practice location is 100 E California Blvd, Pasadena, California. You can reach out to his office (for appointments etc.) via phone at (626) 568-8838.

Tom S Chang is licensed to practice in California (license number A69909) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1609848969.

Contact Information

	Tom S Chang, MD
	100 E California Blvd, Pasadena, CA 91105-3205
	(626) 568-8838
	(626) 583-8838

Map and Direction

Physician's Profile

Full Name	Tom S Chang
Gender	Male
Speciality	Ophthalmology
Experience	36 Years
Location	100 E California Blvd, Pasadena, California
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Tom S Chang graduated from medical school in 1988

NPI Data:

NPI Number: 1609848969
Provider Enumeration Date: 02/02/2006
Last Update Date: 08/07/2020

Medicare PECOS Information:

PECOS PAC ID: 7113931056
Enrollment ID: I20060201000549

Medical Identifiers

Medical identifiers for Tom S Chang such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1609848969	NPI	-	NPPES
00A699090	Other		BLUE CROSS
1609848969	Medicaid	CA
00A699090	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207W00000X	Ophthalmology	A69909 (California)	Secondary
207WX0107X	Ophthalmology - Retina Specialist	A69909 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Retina Institute Of California Medical Group, A California Medical Par	4587760749	78

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. Tom S Chang allows following entities to bill medicare on his behalf.

Entity Name	Retina Institute Of California Medical Group, A California Medical Par
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760541569 PECOS PAC ID: 4587760749 Enrollment ID: O20070503000626

Entity Name	Trilogy Eye Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1114205432 PECOS PAC ID: 6406021658 Enrollment ID: O20111216000199

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. Tom S Chang 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
Tom S Chang, MD 100 E California Blvd, Pasadena, CA 91105-3205 Ph: (626) 568-8838	Tom S Chang, MD 100 E California Blvd, Pasadena, CA 91105-3205 Ph: (626) 568-8838

Reviews and Comments

Ophthalmology Doctors in Pasadena, CA

Dr. Bryan Paul Jones, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 3007 Huntington Dr Unit 2020, Pasadena, CA 91107 Phone: 626-657-2020 Fax: 213-377-9590
Dr. Christopher Patrick Long, MD Ophthalmology Medicare: Medicare Enrolled Practice Location: 10 Congress St Ste 340, Pasadena, CA 91105 Phone: 626-796-5325
Dr. Alexander Craig Walsh, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 301 S Fair Oaks Ave Ste 407, Pasadena, CA 91105 Phone: 262-041-4106 Fax: 213-975-9118
Dr. Angela Faye Perry, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 2619 E Colorado Blvd Ste 150, Pasadena, CA 91107 Phone: 626-793-4168 Fax: 626-793-6256
Dr. Marta L. Mora, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 625 S Fair Oaks Ave, Suite 235, Pasadena, CA 91105 Phone: 626-796-7006 Fax: 626-796-9990
Meriel L Wu, MD Ophthalmology Medicare: Medicare Enrolled Practice Location: 10 Congress St, #340, Pasadena, CA 91105 Phone: 626-796-5325 Fax: 626-796-5526
Dr. Jeffrey Lyle Stevens, M.D. Ophthalmology Medicare: May Accept Medicare Assignments Practice Location: 100 E California Blvd, Pasadena, CA 91105 Phone: 626-568-8838 Fax: 626-583-8838

Tom S Chang, MD - Medicare Ophthalmology in Pasadena, CA