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

Tammy L Boylan, BS

Individual provider Case Manager/Care Coordinator · NPI 1083140156

Tammy L Boylan, BS is a Mental Health Counselor in Stillwater, Oklahoma. Qualified in 2017, 9 years ago. Practices with Grand Lake Mental Health Center, Inc, a 120-clinician group and accepts Medicare assignment.

Years since qualifying
9
In the registry since
2017
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.

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Practice location Address checks out

421 E Thomas Ave
Stillwater, OK 74075-2600
Phone: (405) 372-2202
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1083140156
Entity typeIndividual (Type 1)
GenderFemale
Credentials BS
Sole proprietorNo
NPI enumeratedMay 10, 2017
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Grand Lake Mental Health Center, Inc. — 120 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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