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

Margaret Ann Tuinstra, NP

Individual provider Family Nurse Practitioner · NPI 1457045981

Margaret Ann Tuinstra, NP is a Nurse Practitioner in Bethesda, Maryland. Qualified in 2022, 4 years ago. Practices with Johns Hopkins Community Physicians, Inc, a 765-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
4
Licensed in
MD
In the registry since
2023
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

6410 Rockledge Dr
Bethesda, MD 20817-1809
Phone: (301) 897-5307
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AC005318 (MD)

Record details

NPI number1457045981
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedJune 7, 2023
Last updated in NPPESJune 7, 2023
Certification dateMarch 13, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Johns Hopkins Community Physicians, Inc — 765 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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