Dr Aaron Barak Neinstein, MD in San Francisco, CA

Dr Aaron Barak Neinstein, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in San Francisco, California. He went to University Of Southern California Keck School Of Medicine and graduated in 2007 and has 17 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Regents Of The University Of California and his current practice location is 400 Parnassus Avenue, Ste A550, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 353-2350.

Dr Aaron Barak Neinstein is licensed to practice in California (license number A106501) 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 1205074028.

Contact Information

	Dr Aaron Barak Neinstein, MD
	400 Parnassus Avenue, Ste A550, San Francisco, CA 94143
	(415) 353-2350
	(415) 353-2337

Map and Direction

Physician's Profile

Full Name	Dr Aaron Barak Neinstein
Gender	Male
Speciality	Endocrinology
Experience	17 Years
Location	400 Parnassus Avenue, San Francisco, 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 Aaron Barak Neinstein attended and graduated from University Of Southern California Keck School Of Medicine in 2007

NPI Data:

NPI Number: 1205074028
Provider Enumeration Date: 02/02/2009
Last Update Date: 05/15/2018

Medicare PECOS Information:

PECOS PAC ID: 5193857209
Enrollment ID: I20100724000027

Medical Identifiers

Medical identifiers for Dr Aaron Barak Neinstein such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1205074028	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2083C0008X	Preventive Medicine - Clinical Informatics	A106501 (California)	Secondary
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	A106501 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Ucsf Medical Center	San francisco, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Regents Of The University Of California	4284547274	581

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 Aaron Barak Neinstein allows following entities to bill medicare on his behalf.

Entity Name	Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1881763597 PECOS PAC ID: 4284547274 Enrollment ID: O20031106000389

Entity Name	University Of California San Francisco
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1861578973 PECOS PAC ID: 4486567229 Enrollment ID: O20031212000897

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 Aaron Barak Neinstein 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 Aaron Barak Neinstein, MD 400 Parnassus Avenue, Ste A550, San Francisco, CA 94143-1222 Ph: (415) 353-2350	Dr Aaron Barak Neinstein, MD 400 Parnassus Avenue, Ste A550, San Francisco, CA 94143 Ph: (415) 353-2350

Reviews and Comments

Internal Medicine Doctors in San Francisco, CA

Dr. Shannon Walker, Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 112 Parnassus Ave Apt 4, San Francisco, CA 94117 Phone: 571-271-8343
Dr. Pratyusha Kishore Narra, MBBS Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 3490 California St, San Francisco, CA 94118 Phone: 415-514-6200 Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 2 W Portal Ave, San Francisco, CA 94127 Phone: 415-291-0480
Christine Soran, Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 1001 Potrero Ave, Bldg 10, 3rd Floor, Ward 13, Ucsf Division Of General Internal Medicine Sfgh, San Francisco, CA 94110 Phone: 415-206-5164 Fax: 415-206-5586
Stephen Norris Cohen, MD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 40 Ventura Ave, San Francisco, CA 94116 Phone: 415-681-2171 Fax: 415-681-2171
Mauricio Jalife Bucay, M.D Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-750-4994 Fax: 415-750-8156
Dr. Adriana A.t. Martin, M.D., PH.D. Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-514-7288

Dr Aaron Barak Neinstein, MD - Medicare Endocrinology in San Francisco, CA