Esther Hanyu Tan, NP
Family Nurse Practitioner · Wellesley, MA
Esther Hanyu Tan, NP is a family nurse practitioner with a practice address in Wellesley, Massachusetts, and NPI 1104335702, issued on Sep 26, 2017. Check the license (Massachusetts RN2346740, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Esther Hanyu Tan
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2346740 MA
Self-reported in NPPES; status is on the state search - Practice location
- 74 Central St Unit B, Wellesley, MA 02482
- Phone
- (888) 663-6331
- Enumerated
- Sep 26, 2017
- Record last updated
- May 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20211022002062); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Verify Esther Hanyu Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2346740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,054 Medicare Part D claims for 167 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium70 claims
- Amlodipine Besylate62 claims
- Lisinopril56 claims
- Omeprazole50 claims
- Metformin Hcl49 claims
- Trulicity49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Dothouse Health Inc.Dorchester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Esther Hanyu Tan among 4,724 family nurse practitioner records in Massachusetts
Esther Hanyu Tan, NP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 44% of them.
- NPI issued2017 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · median 2019 among the 2,704 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 family nurse practitioner records list a practice address in Wellesley
They are 26 of the 1,117 NPPES records with a practice address in Wellesley, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Wellesley → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Robin Bianchi, FNP-BCWellesley, MA 024821336324821
- Carol Khalarian, N.P.Wellesley, MA 024821659472819
- Mbaira Maorongarti, NPWellesley, MA 024821386326627
- Anli Nguyen, FNP-BCWellesley, MA 024821225745060
- Alexandra Rogers, NPWellesley, MA 024821245614957
- Haley SchramWellesley, MA 024821235532896
- Michele Stewart, FNPWellesley, MA 024821316241581
- Dayna Walsh, FNP-CWellesley, MA 024821861389215
Common questions
What is Esther Hanyu Tan, NP's NPI number?
Esther Hanyu Tan, NP's National Provider Identifier (NPI) is 1104335702, issued on Sep 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Esther Hanyu Tan, NP located?
The NPPES record lists a practice address at 74 Central St Unit B, Wellesley, MA, 02482. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Esther Hanyu Tan, NP's license?
NPPES lists Massachusetts license number RN2346740, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Esther Hanyu Tan, NP prescribe under Medicare Part D?
In 2024, Esther Hanyu Tan, NP had 1,054 Medicare Part D claims for 167 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.