Doctor profile · Federal record

Dr. Marybeth Singh, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Boston, MA

  • NPI 1134271588
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Longwood Ave
Boston, MA 021155724
(617) 355-6000
Additional location
575 Mount Auburn St Ste B102
Cambridge, MA 021384627
(781) 504-9381
Additional location
841 Western Ave
Lynn, MA 019052322
(781) 504-9381

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 13, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN234184
Medicaid
MA #110074724A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134271588. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Eisai Inc. 1 $15.50

By nature of payment

Food and Beverage
$16

Frequently asked questions

Auto-generated from federal data
What is Dr. Marybeth Singh's medical specialty?
Dr. Marybeth Singh practices Family Nurse Practitioner in Boston, MA.
Where does Dr. Marybeth Singh practice?
Dr. Marybeth Singh practices at 300 Longwood Ave, Boston, MA 021155724. Office phone: 6173556000.
What is Dr. Marybeth Singh's NPI?
Dr. Marybeth Singh's National Provider Identifier (NPI) is 1134271588, issued by NPPES.
Does Dr. Marybeth Singh accept Medicare assignment?
Yes. Dr. Marybeth Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.