1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NANG SAN HTI LAR SENG MD
NPI 1619558533
Internal Medicine - Nephrology in Boston, MA

Active since April 21, 2021PECOS Enrolled
171 PILGRIM RD, BOSTON, MA 02215(617) 632-9880 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nang San Hti Lar Seng Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NANG SAN HTI LAR SENG MD (NPI 1619558533) is an individual nephrology provider in Boston, Massachusetts, licensed in Alaska (249081) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1619558533
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. NANG SAN HTI LAR SENGCredential: MD
Location Address171 PILGRIM RDBoston, MA 02215-5332
Mailing Address171 Pilgrim Rd # Libby2Boston, MA 02215-5332 · (617) 632-9880
Phone(617) 632-9880
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 21, 2021
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1619558533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in AK · 249081
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
171 PILGRIM RD, Boston, MA 02215
Open in Google Maps ↗

Secondary Practice Location 1

Location 1Jacobi Medical Center, 1400 Pelham Parkway SouthBronx, NY 10461 · Phone (718) 918-3174

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nang San Hti Lar Seng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214414101
PECOS Enrollment IDI20260122001443
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JEFFREY HARRISON WILLIAM M.D.
Internal Medicine (Nephrology)
171 PILGRIM RD, LIBBY 2
BOSTON, MA 02215
Suffolk County (617) 632-9880

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nang San Hti Lar Seng's NPI number?

The NPI number for Nang San Hti Lar Seng is 1619558533. It was assigned to this individual provider in the NPPES registry on April 21, 2021.

Where is Nang San Hti Lar Seng located?

Nang San Hti Lar Seng practices at 171 Pilgrim Rd, Boston, MA 02215. The listed phone number is (617) 632-9880.

What is Nang San Hti Lar Seng's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Nang San Hti Lar Seng enrolled in Medicare?

Yes. Nang San Hti Lar Seng is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nang San Hti Lar Seng was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.