Dr Karthik Natarajan Thenkondar, MD in Pasadena, CA

Dr Karthik Natarajan Thenkondar, MD is a medicare enrolled "Family Medicine" physician in Pasadena, California. He graduated from medical school in 2007 and has 19 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Lakeside Medical Organization A Medical Group Inc and his current practice location is 556 S Fair Oaks Ave Ste 101, Pasadena, California. You can reach out to his office (for appointments etc.) via phone at (323) 600-3132.

Dr Karthik Natarajan Thenkondar is licensed to practice in California (license number A122951) 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 1972823672.

Contact Information

	Dr Karthik Natarajan Thenkondar, MD
	556 S Fair Oaks Ave Ste 101, Pasadena, CA 91105-2657
	(323) 600-3132
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Karthik Natarajan Thenkondar
Gender	Male
Speciality	Internal Medicine
Experience	19 Years
Location	556 S Fair Oaks Ave Ste 101, 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:

Dr Karthik Natarajan Thenkondar graduated from medical school in 2007

NPI Data:

NPI Number: 1972823672
Provider Enumeration Date: 06/03/2010
Last Update Date: 07/07/2026

Medicare PECOS Information:

PECOS PAC ID: 1153562905
Enrollment ID: I20130722000210

Medical Identifiers

Medical identifiers for Dr Karthik Natarajan Thenkondar such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1972823672	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207Q00000X	Family Medicine	A122951 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
St Joseph Hospital	Eureka, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Lakeside Medical Organization A Medical Group Inc	7618005166	66

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. Dr Karthik Natarajan Thenkondar allows following entities to bill medicare on his behalf.

Entity Name	Lakeside Medical Organization A Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1831426642 PECOS PAC ID: 7618005166 Enrollment ID: O20100505000015

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. Dr Karthik Natarajan Thenkondar 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
Dr Karthik Natarajan Thenkondar, MD 2700 Dolbeer St, Eureka, CA 95501-4736 Ph: (707) 445-8121	Dr Karthik Natarajan Thenkondar, MD 556 S Fair Oaks Ave Ste 101, Pasadena, CA 91105-2657 Ph: (323) 600-3132

Reviews and Comments

Family Medicine Doctors in Pasadena, CA

Dr. Matthew John Sexter, M.D. Family Medicine Medicare: Medicare Enrolled Practice Location: 1845 N Fair Oaks Ave # G-151, Pasadena, CA 91103 Phone: 562-867-7999
Dr. Anne Kuo, D.O. Family Medicine Medicare: Medicare Enrolled Practice Location: 572 E Green St Ste 300, Pasadena, CA 91101 Phone: 818-957-6909
Dr. Cindy Justo Uypitching, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 10 Congress St, Ste 208, Pasadena, CA 91105 Phone: 626-795-4210 Fax: 626-795-0740
Dr. Arthur Mark Ayvazian, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 10 Congress St Ste 208, Pasadena, CA 91105 Phone: 626-792-2166 Fax: 626-795-0740
Dr. John Y. F. Tsai, MD Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 1239 Arden Road Mc1-8, Pasadena, CA 91125 Phone: 626-395-6393
Dr. Lauren Wolchok, M.D. Family Medicine Medicare: Medicare Enrolled Practice Location: 1845 N Fair Oaks Ave Ste G-151, Pasadena, CA 91103 Phone: 562-867-7999
Stephanie B Long, MD Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 1239 Arden Rd # Mc 1/8, Pasadena, CA 91106 Phone: 626-395-6393 Fax: 626-585-1522

Dr Karthik Natarajan Thenkondar, MD - Medicare Internal Medicine in Pasadena, CA