Active NPI
Tiffany Ngai, M.D.
- Infectious Disease Physician
- Santa Rosa, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- A138387
- Practice address
- 1165 Montgomery Dr
Santa Rosa, CA 95405-4801 - Phone
- (707) 547-5437
- Fax
- (707) 547-5430
- NPI assigned
- Jul 10, 2013
- Last updated
- Nov 9, 2021
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | NU | ||
| Internal Medicine Physician | 207R00000X | A138387 | CA | |
| Infectious Disease Physician | 207RI0200X | A138387 | CA | Primary |
Addresses
Primary practice location
1165 Montgomery Dr
Santa Rosa, CA 95405-4801
Mailing address
155 N Fresno St
Fresno, CA 93701-2302
Other practice location 1
500 W Hospital Rd
French Camp, CA 95231-9693
Phone (209) 468-6000
Other practice location 2
155 N Fresno St
Fresno, CA 93701
Phone (559) 499-6484
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | tngai1658108@oc.providencedirect.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Infectious Disease
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1165 Montgomery Dr
Santa Rosa, CA 95405-4801
Phone (707) 546-3210
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Providence Medical Foundation | Current | Accepting new patients | |
| Providence Medical Foundation | Current | Accepting new patients | |
| Providence Medical Foundation | Current | Accepting new patients | |
| St. Joseph Health Northern California, LLC | Past | Accepting new patients | |
| Providence Medical Foundation | Past | Accepting new patients |
Locations
200 W Ctr St Promenade
Ste 300
Anaheim, CA 92805
Phone (714) 449-4841
1165 Montgomery Dr
Santa Rosa, CA 95405
Phone (707) 525-5300
1165 Montgomery Dr
#1112
Santa Rosa, CA 95405
Phone (707) 546-3210
500 Doyle Park Dr
Ste 100
Santa Rosa, CA 95405
Phone (714) 449-4842
Interoperability endpoints
- tngai1658108@oc.providencedirect.org
Organizations & group practices 5
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.
-
- Family Medicine Physician
- Brea, CA
- NPI 1871607762
-
- Obstetrics & Gynecology Physician
- Napa, CA
- NPI 1205131950
-
- General Practice Physician
- Diamond Bar, CA
- NPI 1285890624
-
- Family Medicine Physician
- Anaheim, CA
- NPI 1639715709
-
dba Providence Santa Rosa Memorial Hospital
- General Acute Care Hospital
- Santa Rosa, CA
- NPI 1134152549
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Petaluma Valley Hospital
- General Acute Care Hospital
- Petaluma, CA
- NPI 1235162645
-
dba Providence Santa Rosa Memorial Hospital
- General Acute Care Hospital
- Santa Rosa, CA
- NPI 1134152549
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1373414400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1636416000000",
"number": "1215378930",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "155 N FRESNO ST",
"city": "FRESNO",
"state": "CA",
"postal_code": "937012302"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1165 MONTGOMERY DR",
"city": "SANTA ROSA",
"state": "CA",
"postal_code": "954054801",
"telephone_number": "707-547-5437",
"fax_number": "707-547-5430"
}
],
"practiceLocations": [
{
"address_1": "500 W Hospital Rd",
"address_purpose": "LOCATION",
"city": "French Camp",
"state": "CA",
"postal_code": "952319693",
"country_code": "US",
"telephone_number": "209-468-6000",
"fax_number": "209-468-7042",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "155 N Fresno St",
"address_purpose": "LOCATION",
"city": "Fresno",
"state": "CA",
"postal_code": "93701",
"country_code": "US",
"telephone_number": "559-499-6484",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NGAI",
"first_name": "TIFFANY",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2013-07-10",
"last_updated": "2021-11-09",
"certification_date": "2021-11-09",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A138387",
"primary": false
},
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "CA",
"license": "A138387",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "tngai1658108@oc.providencedirect.org",
"affiliation": "N",
"address_1": "1162 Montgomery Dr Fl 3",
"city": "Santa Rosa",
"state": "CA",
"country_code": "US",
"postal_code": "954054802",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Santa Rosa, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 9, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.