Dr Eileen Katherine Nenninger, MD in San Leandro, CA

Dr Eileen Katherine Nenninger, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in San Leandro, California. Her current practice location is 13851 E 14th St Ste 308, San Leandro, California. You can reach out to her office (for appointments etc.) via phone at (925) 463-1318.

Dr Eileen Katherine Nenninger is licensed to practice in California (license number A186925) 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 1295199966.

Contact Information

	Dr Eileen Katherine Nenninger, MD
	13851 E 14th St Ste 308, San Leandro, CA 94578-2630
	(925) 463-1318
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Eileen Katherine Nenninger
Gender	Female
Speciality	Internal Medicine - Infectious Disease
Location	13851 E 14th St Ste 308, San Leandro, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1295199966
Provider Enumeration Date: 04/08/2016
Last Update Date: 08/08/2023

Medicare PECOS Information:

PECOS PAC ID: 0749575058
Enrollment ID: I20230914000032

Medical Identifiers

Medical identifiers for Dr Eileen Katherine Nenninger such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1295199966	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0200X	Internal Medicine - Infectious Disease	A186925 (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. Dr Eileen Katherine Nenninger allows following entities to bill medicare on her behalf.

Entity Name	Alameda Health System
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1740332931 PECOS PAC ID: 3779494521 Enrollment ID: O20031110000764

Entity Name	Diablo Infectious Disease Consultative Service Med Grp Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952376535 PECOS PAC ID: 9032187281 Enrollment ID: O20040924000239

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 Eileen Katherine Nenninger 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 Eileen Katherine Nenninger, MD 13851 E 14th St Ste 308, San Leandro, CA 94578-2630 Ph: (518) 260-5030	Dr Eileen Katherine Nenninger, MD 13851 E 14th St Ste 308, San Leandro, CA 94578-2630 Ph: (925) 463-1318

Reviews and Comments

Internal Medicine Doctors in San Leandro, CA

Dr. Evelyn Junko Nakagawa, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 2800 Benedict Dr, San Leandro, CA 94577 Phone: 415-233-3604 Fax: 415-295-5109
Jeffrey Silvers, M.D. Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 13847 E 14th St, Suite 116, San Leandro, CA 94578 Phone: 510-895-0388 Fax: 510-895-0342
Dr. Asaf Shor, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 2500 Merced St, San Leandro, CA 94577 Phone: 510-454-1000
Dr. Arlen Randall Hoh, MD, MPH Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 15400 Foothill Blvd, San Leandro, CA 94578 Phone: 510-895-4288 Fax: 510-895-4285
Masood Younus, Infectious Disease Medicare: Medicare Enrolled Practice Location: 2500 Merced St Bldg A1, San Leandro, CA 94577 Phone: 510-454-2434
Tri Dang Do, MD Infectious Disease Medicare: Medicare Enrolled Practice Location: 101 Callan Ave Ste 300, San Leandro, CA 94577 Phone: 510-300-5340
Dr. Shraddha Prakash, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 2500 Merced St, Kaiser Permanente, San Leandro, CA 94577 Phone: 510-454-5750

Dr Eileen Katherine Nenninger, MD - Medicare Internal Medicine in San Leandro, CA