Individual provider Active NPI

Alireza Abdollah Shamshirsaz, M.D.

  • Obstetrics & Gynecology Physician
  • Palo Alto, CA
National Provider Identifier
1881804235
Registry record updated Mar 15, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
C150314 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(650) 497-8000
NPI assigned
May 23, 2007
Last updated
Mar 15, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 15, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X C150314 CA Primary
Maternal & Fetal Medicine Physician 207VM0101X C150314 CA
Maternal & Fetal Medicine Physician 207VM0101X 291731 MA

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other practice location 1

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-1616

Other practice location 2

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

Other names 1

  • Alireza Shamshirsaz Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CA, MA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20120907000639 TX Practitioner - Obstetrics/Gynecology 3173771649 Reassigns benefits to 3 organizations
I20171025000992 CA Practitioner - Obstetrics/Gynecology 3173771649 Reassigns benefits to 2 organizations
I20220711002135 MA Practitioner - Obstetrics/GynecologyPractitioner - Other (Physician) 3173771649 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C150314CAMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince Aug 15, 2012 Accepting new patients
Baylor College of Medicine CurrentSince Aug 15, 2012 Accepting new patients
Stanford Health Care Obstetrics & Gynecology CurrentSince Oct 1, 2017 Accepting new patients
Baylor College of Medicine CurrentSince Jul 1, 2021 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Oct 1, 2017 Accepting new patients
Stanford Health Care Obstetrics & Gynecology Current Accepting new patients
Stanford Health Care CurrentSince Oct 1, 2017 Accepting new patients
Texas Children's Physician Group CurrentSince Nov 1, 2012 Accepting new patients
CHMC Surgical Foundation Inc CurrentSince Jun 1, 2022 Accepting new patients

Locations

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

900 Blake Wilbur Dr
Palo Alto, CA 94304
Phone (650) 498-6004

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-2633

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835

6701 Fannin St
Houston, TX 77030
Phone (832) 822-1764

6701 Fannin St
Ste 1420
Houston, TX 77030
Phone (832) 822-4240

333 N Santa Rosa
San Antonio, TX 78207
Phone (210) 704-2190

Interoperability endpoints

  • Direct secure messaging: ashamshirsaz28768@direct.bostonchildrens.org

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1179878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678838400000",
    "number": "1881804235",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Hawkins Dr",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522421009",
            "country_code": "US",
            "telephone_number": "319-356-1616",
            "fax_number": "319-384-6004",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Longwood Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021155724",
            "country_code": "US",
            "telephone_number": "617-355-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ABDOLLAH SHAMSHIRSAZ",
        "first_name": "ALIREZA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-23",
        "last_updated": "2023-03-15",
        "certification_date": "2023-03-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "C150314",
            "primary": true
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "CA",
            "license": "C150314",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "MA",
            "license": "291731",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALIREZA",
            "last_name": "SHAMSHIRSAZ",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.