Active NPI
Masami Hattori MD Inc.
- Pain Medicine Physician
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pain Medicine Physician
- Legal business name
- MASAMI HATTORI MD INC.
- Practice address
- 1 Shrader St Ste 600
San Francisco, CA 94117-1018 - Phone
- (415) 292-9756
- Fax
- (412) 292-3481
- NPI assigned
- Aug 27, 2009
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Masami Hattori, M.D.
- Title
- Owner
- Phone
- (415) 292-9756
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pain Medicine Physician | 208VP0000X | Primary |
Addresses
Primary practice location
1 Shrader St Ste 600
San Francisco, CA 94117-1018
Mailing address
1 Shrader St Ste 600
San Francisco, CA 94117-1018
Phone (415) 292-9756
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
900 Hyde St
San Francisco, CA 94109
Phone (415) 353-6000
2250 Hayes St
Ste 501
San Francisco, CA 94117
Phone (415) 292-7956
1700 California St
Ste 340
San Francisco, CA 94109
Phone (415) 673-4500
Interoperability endpoints
- https://api.platform.athenahealth.com/7900/brand/1/csg/1/fhir/r4
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Family Nurse Practitioner
- Half Moon Bay, CA
- NPI 1194896662
-
- Adult Health Nurse Practitioner
- San Francisco, CA
- NPI 1891138293
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1251331200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1766016000000",
"number": "1962635680",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1 SHRADER ST STE 600",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941171018",
"telephone_number": "415-292-9756",
"fax_number": "415-292-3481"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1 SHRADER ST STE 600",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941171018",
"telephone_number": "415-292-9756",
"fax_number": "412-292-3481"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MASAMI HATTORI MD INC.",
"organizational_subpart": "NO",
"enumeration_date": "2009-08-27",
"last_updated": "2025-12-18",
"certification_date": "2025-12-18",
"status": "A",
"authorized_official_last_name": "HATTORI",
"authorized_official_first_name": "MASAMI",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "415-292-9756",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "M.D."
},
"taxonomies": [
{
"code": "208VP0000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Pain Medicine, Pain Medicine",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.