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

Dr Aaron Barak Neinstein, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in San Francisco, California. 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 NameDr Aaron Barak Neinstein
GenderMale
Speciality
Experience Years
Location400 Parnassus Avenue, San Francisco, California
Accepts Medicare AssignmentsYes. 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 in
  NPI Data:
  • NPI Number: 1205074028
  • Provider Enumeration Date: 02/02/2009
  • Last Update Date: 05/15/2018
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Aaron Barak Neinstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205074028NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2083C0008XPreventive Medicine - Clinical Informatics A106501 (California)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism A106501 (California)Primary

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 AddressPractice 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,
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Phone: 415-514-6200    Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H
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Christine Soran,
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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
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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    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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