Johanna Elizabeth Gerwer, MD, MPH in San Diego, CA

Johanna Elizabeth Gerwer, MD, MPH is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in San Diego, California. Her current practice location is 1809 National Ave, San Diego, California. You can reach out to her office (for appointments etc.) via phone at (619) 515-2300.

Johanna Elizabeth Gerwer is licensed to practice in California (license number A169752) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1043742588.

Contact Information

	Johanna Elizabeth Gerwer, MD, MPH
	1809 National Ave, San Diego, CA 92113-2113
	(619) 515-2300
	Not Available

Map and Direction

Physician's Profile

Full Name	Johanna Elizabeth Gerwer
Gender	Female
Speciality	Internal Medicine - Endocrinology, Diabetes & Metabolism
Location	1809 National Ave, San Diego, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1043742588
Provider Enumeration Date: 04/03/2017
Last Update Date: 09/13/2022

Medicare PECOS Information:

PECOS PAC ID: 8325423502
Enrollment ID: I20220924000132

Medical Identifiers

Medical identifiers for Johanna Elizabeth Gerwer such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1043742588	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	A169752 (California)	Primary

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. Johanna Elizabeth Gerwer allows following entities to bill medicare on her behalf.

Entity Name	Southern California Permanente Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1770515280 PECOS PAC ID: 6002729175 Enrollment ID: O20031110000678

Entity Name	Family Health Centers Of San Diego Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1447281936 PECOS PAC ID: 3476446378 Enrollment ID: O20040204000923

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. Johanna Elizabeth Gerwer 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
Johanna Elizabeth Gerwer, MD, MPH 823 Gateway Center Way, San Diego, CA 92102-4541 Ph: (619) 515-2300	Johanna Elizabeth Gerwer, MD, MPH 1809 National Ave, San Diego, CA 92113-2113 Ph: (619) 515-2300

Reviews and Comments

Internal Medicine Doctors in San Diego, CA

Dr. Ramin Motarjemi, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 858-249-2500 Fax: 858-657-8069
Dr. Shweta Warner, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 4647 Zion Ave, San Diego, CA 92120 Phone: 619-221-6258 Fax: 619-221-6012
Dr. Matthew James Roosevelt, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 4647 Zion Ave, Department Of Hospital Medicine, San Diego, CA 92120 Phone: 619-952-5091
Marin Nishimura-kaminski, Endocrinology, Diabetes & Metabolism Medicare: May Accept Medicare Assignments Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 800-926-8273 Fax: 888-539-8781
Belicia Kuang-chieh Ding, MD Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 800-926-8273 Fax: 888-539-8781
Jedidiah Daniel Bell, Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 619-471-0434
Dr. Umber Dube, MD PHD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 200 W Arbor Dr, San Diego, CA 92103 Phone: 800-926-8273 Fax: 888-539-8781

Johanna Elizabeth Gerwer, MD, MPH - Medicare Internal Medicine in San Diego, CA