Active NPI
Esther Hanyu Tan, NP
- Family Nurse Practitioner
- Wellesley, MA
National Provider Identifier
1104335702
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- RN2346740
- Practice address
- 74 Central St Unit B
Wellesley, MA 02482-5734 - Phone
- (888) 663-6331
- NPI assigned
- Sep 26, 2017
- Reactivated
- Aug 3, 2021
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | RN2346740 | MA | Primary |
Addresses
Primary practice location
74 Central St Unit B
Wellesley, MA 02482-5734
Mailing address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723
Phone (415) 658-6791
Other practice location 1
637 Washington St
Boston, MA 02124-3510
Phone (617) 825-9660
Other names 1
- Hanyu Tan
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1353 Dorchester Ave
Dorchester, MA 02122-2932
Phone (617) 288-3230
Hospital & facility affiliations
- Boston Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN2346740 | MA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dothouse Health Inc. | Current | Accepting new patients |
Locations
1353 Dorchester Ave
Dorchester, MA 02122
Phone (617) 288-3230
Interoperability endpoints
- etan352682@direct.ochin.org
- etan181967@direct.bmc.masshiway.net
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Community Health Clinic/Center
- Dorchester, MA
- NPI 1578514733
-
- Internal Medicine Physician
- Haverhill, MA
- NPI 1891112637
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1164177028
-
- Community Health Clinic/Center
- South Boston, MA
- NPI 1225228679
Hospital
-
- General Acute Care Hospital
- Boston, MA
- NPI 1346218294
-
- Community Health Clinic/Center
- Roslindale, MA
- NPI 1386718823
Hospital
-
- Community Health Clinic/Center
- Dorchester, MA
- NPI 1780874677
Hospital
-
- Community Health Clinic/Center
- East Boston, MA
- NPI 1861683518
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1506384000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779148800000",
"number": "1104335702",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1 EMBARCADERO CTR STE 1900",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941113723",
"telephone_number": "415-658-6791",
"fax_number": "415-252-7176"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "74 CENTRAL ST UNIT B",
"city": "WELLESLEY",
"state": "MA",
"postal_code": "024825734",
"telephone_number": "888-663-6331"
}
],
"practiceLocations": [
{
"address_1": "637 Washington St",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021243510",
"country_code": "US",
"telephone_number": "617-825-9660",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TAN",
"first_name": "ESTHER",
"middle_name": "HANYU",
"credential": "NP",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2017-09-26",
"last_updated": "2026-05-19",
"certification_date": "2026-05-19",
"deactivation_date": "2021-06-11",
"reactivation_date": "2021-08-03",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MA",
"license": "RN2346740",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "HANYU",
"last_name": "TAN",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Wellesley, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2026; 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.