Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. On Seng, NP-C

Individual provider Nurse Practitioner · NPI 1992358162

Mrs. On Seng, NP-C is a Nurse Practitioner in Cambridge, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2019
Specialties on file
2
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

36 White St
Cambridge, MA 02140
Phone: (617) 876-5519
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 70 Forsyth St Bldg 1, Boston, MA 02115-5026 — (617) 373-2772

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN2273053 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN2273053 (MA)

Record details

NPI number1992358162
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorNo
NPI enumeratedJuly 17, 2019
Last updated in NPPESDecember 31, 2020
Certification dateDecember 27, 2020

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