Nang San Hti Lar Seng, MD
Nephrology Physician · Boston, MA
Nang San Hti Lar Seng, MD is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1619558533, issued on Apr 21, 2021. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nang San Hti Lar Seng
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 249081 AK
Self-reported in NPPES; status is on the state search - Practice location
- 171 Pilgrim RD, Boston, MA 02215
- Phone
- (617) 632-9880
- Enumerated
- Apr 21, 2021
- Record last updated
- Jul 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20260122001443); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at 171 Pilgrim RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaeine Lee, MDNephrology Physician1922688779
- Jeffrey William, M.D.Nephrology Physician1033439716
Verify Nang San Hti Lar Seng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average nephrology physician in 2024
146 Medicare Part D claims for 33 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium12 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.
Nang San Hti Lar Seng among 417 nephrology physician records in Massachusetts
Nang San Hti Lar Seng, MD is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2020 · median 2001 among the 295 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Boston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Robert Cohen, M.D.Boston, MA 022151023042835
- John Danziger, M.D.Boston, MA 022151730161142
- Bradley Denker, MDBoston, MA 022151669438727
- Christiane Ferran, M.D.Boston, MA 022151508803297
- David Friedman, M.D.Boston, MA 022151194763482
- Melanie Hoenig, M.D.Boston, MA 022151831123694
- Stewart Lecker, M.D.Boston, MA 022151184661134
- Martha Pavlakis, MDBoston, MA 022151033107503
Common questions
What is Nang San Hti Lar Seng, MD's NPI number?
Nang San Hti Lar Seng, MD's National Provider Identifier (NPI) is 1619558533, issued on Apr 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nang San Hti Lar Seng, MD located?
The NPPES record lists a practice address at 171 Pilgrim RD, Boston, MA, 02215. Phone: (617) 632-9880. Providers update this record themselves, so call before visiting.
How can I verify Nang San Hti Lar Seng, MD's license?
Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nang San Hti Lar Seng, MD prescribe under Medicare Part D?
In 2024, Nang San Hti Lar Seng, MD had 146 Medicare Part D claims for 33 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.