Alireza Abdollah Shamshirsaz, MD - Medicare Obstetrics & Gynecology in Palo Alto, CA

Alireza Abdollah Shamshirsaz, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Palo Alto, California. His current practice location is 725 Welch Rd, Palo Alto, California. You can reach out to his office (for appointments etc.) via phone at (650) 497-8000.

Alireza Abdollah Shamshirsaz is licensed to practice in California (license number C150314) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1881804235.

Contact Information

Alireza Abdollah Shamshirsaz, MD
725 Welch Rd,
Palo Alto, CA 94304-1601
(650) 497-8000
Not Available

Map and Direction




Physician's Profile

Full NameAlireza Abdollah Shamshirsaz
GenderMale
SpecialityObstetrics & Gynecology
Location725 Welch Rd, Palo Alto, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1881804235
  • Provider Enumeration Date: 05/23/2007
  • Last Update Date: 03/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3173771649
  • Enrollment ID: I20120907000639

Medical Identifiers

Medical identifiers for Alireza Abdollah Shamshirsaz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881804235NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VM0101XObstetrics & Gynecology - Maternal & Fetal Medicine C150314 (California)Secondary
207VM0101XObstetrics & Gynecology - Maternal & Fetal Medicine 291731 (Massachusetts)Secondary
207V00000XObstetrics & Gynecology C150314 (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. Alireza Abdollah Shamshirsaz allows following entities to bill medicare on his behalf.
Entity NameBaylor College Of Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053352914
PECOS PAC ID: 8224941265
Enrollment ID: O20031106000562
Entity NameTexas Childrens Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861675506
PECOS PAC ID: 4385722081
Enrollment ID: O20080422000209
Entity NameBaylor College Of Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285079764
PECOS PAC ID: 0648405738
Enrollment ID: O20131025000939

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. Alireza Abdollah Shamshirsaz 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
Alireza Abdollah Shamshirsaz, MD
725 Welch Rd,
Palo Alto, CA 94304-1601

Ph: (650) 497-8000
Alireza Abdollah Shamshirsaz, MD
725 Welch Rd,
Palo Alto, CA 94304-1601

Ph: (650) 497-8000

Reviews and Comments


Obstetrics & Gynecology Doctors in Palo Alto, CA

Dr. Edward Lee Cohen, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 3801 Miranda Ave, #112, Palo Alto, CA 94304
Phone: 650-493-5000    
Winona Tan, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 795 El Camino Real, Palo Alto, CA 94301
Phone: 650-853-2917    
Susan Diana Crowe, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 725 Welch Rd, Palo Alto, CA 94304
Phone: 650-497-8000    
Sylvie Leah Blumstein, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 725 Welch Rd, Palo Alto, CA 94304
Phone: 650-497-8000    
Amy E Judy, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 725 Welch Rd, Palo Alto, CA 94304
Phone: 650-497-8000    
Sanaa Hasan Suharwardy, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 725 Welch Rd, Palo Alto, CA 94304
Phone: 650-497-8000    
Laura Brodzinsky, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 725 Welch Rd, Palo Alto, CA 94304
Phone: 650-497-8000    

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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