Tammy L. Boylan, BS
Case Manager/Care Coordinator · Stillwater, OK
Tammy L. Boylan, BS is a case manager/care coordinator with a practice address in Stillwater, Oklahoma, and NPI 1083140156, issued on May 10, 2017. Check the license with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammy L. Boylan
- Credential
- BS
- Primary taxonomy
- Case Manager/Care Coordinator 171M00000X
- Practice location
- 421 E Thomas Ave, Stillwater, OK 74075
- Phone
- (405) 372-2202
- Enumerated
- May 10, 2017
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20250320002107); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 421 E Thomas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda BennettCounselor1841496031
- Amanda Blalock, BACase Manager/Care Coordinator1467970475
- Ethan Blasdel, MSMental Health Counselor1821592544
- Jimmie Blose, LPCCounselor1568797041
- Rebecca Bowen, LCSWMental Health Counselor1558781542
- Luke Carrillo, MHR, LPCMental Health Counselor1134475197
Verify Tammy L. Boylan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Grand Lake Mental Health Center, Inc.Stillwater, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
222 case manager/care coordinator records list a practice address in Stillwater
They are 222 of the 1,440 NPPES records with a practice address in Stillwater, and 8,823 case manager/care coordinator records in Oklahoma.
All 222 in Stillwater → All 8,823 in Oklahoma → Every provider in Stillwater →
Other case manager/care coordinator records in Oklahoma
- Taylor AaryTulsa, OK1801538756
- Michael AbaneOklahoma City, OK1689281180
- Dyla AbbasAfton, OK1235505330
- Courtney AbbottNorman, OK1700320777
- Karelyn AbbottClaremore, OK1659943710
- Kimberly AbbottFrederick, OK1164834883
- Kristine AbbottTulsa, OK1063270882
- Phil AbbuhlPonca City, OK1720109416
- Euvia AbdullahLawton, OK1962866459
- Jennifer AbercrombieTulsa, OK1215741889
Common questions
What is Tammy L. Boylan, BS's NPI number?
Tammy L. Boylan, BS's National Provider Identifier (NPI) is 1083140156, issued on May 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tammy L. Boylan, BS located?
The NPPES record lists a practice address at 421 E Thomas Ave, Stillwater, OK, 74075. Phone: (405) 372-2202. Providers update this record themselves, so call before visiting.
How can I verify Tammy L. Boylan, BS's license?
Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.