Individual provider Active NPI

Nang San Hti Lar Seng, MD

  • Nephrology Physician
  • Boston, MA
National Provider Identifier
1619558533
Registry record updated Jul 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
249081 Issued in AK
Practice address
171 Pilgrim Rd
Boston, MA 02215-5332
Phone
(617) 632-9880
NPI assigned
Apr 21, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 2, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 249081 AK Primary

Addresses

Primary practice location

171 Pilgrim Rd
Boston, MA 02215-5332

Mailing address

171 Pilgrim Rd # Libby2
Boston, MA 02215-5332
Phone (617) 632-9880

Other practice location 1

Jacobi Medical Center
1400 Pelham Parkway South
Bronx, NY 10461
Phone (718) 918-3174

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AK
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260122001443 AK Practitioner - Nephrology 7214414101 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kidney and Hypertension Clinic of Alaska IncGroup PAC ID 0840299186, 14 clinicians

Practice addresses (Care Compare)

4015 Lake Otis Pkwy
Suite 201
Anchorage, AK 99508-5235
Phone (907) 375-5200

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
3015666MAMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kidney and Hypertension Clinic of Alaska, Inc Nephrology CurrentSince Jan 12, 2026 Accepting new patients
Dialysis Associates of Alaska, LLC Nephrology CurrentSince Jan 12, 2026 Accepting new patients
Nephrology & Hypertension Associates of Alaska, PC Nephrology PastSince Jan 12, 2026 Accepting new patients

Locations

3260 Providence Dr
Ste C431
Anchorage, AK 99508
Phone (907) 212-4840

4015 Lake Otis Pkwy
Ste 101
Anchorage, AK 99508

4015 Lake Otis Pkwy
Ste 201
Anchorage, AK 99508
Phone (907) 771-3500

1863 Airport Way
Fairbanks, AK 99701
Phone (907) 452-2900

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/22880/brand/1/csg/1/fhir/r4

Organizations & group practices 3

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1618963200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782950400000",
    "number": "1619558533",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "171 PILGRIM RD # LIBBY2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155332",
            "telephone_number": "617-632-9880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "171 PILGRIM RD",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155332",
            "telephone_number": "617-632-9880"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Jacobi Medical Center",
            "address_2": "1400 Pelham Parkway South",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "10461",
            "country_code": "US",
            "telephone_number": "718-918-3174",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SENG",
        "first_name": "NANG SAN HTI LAR",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-21",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "AK",
            "license": "249081",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.