Marcy G. Landreth, MS, CCC/SLP
Speech-Language Pathologist · Shawnee, OK
Marcy G. Landreth, MS, CCC/SLP is a speech-language pathologist with a practice address in Shawnee, Oklahoma, and NPI 1477843589, issued on Apr 10, 2011. Check the license (Oklahoma 2180, as entered in NPPES) with the Oklahoma board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marcy G. Landreth
- Credential
- MS, CCC/SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 2180 OK
Self-reported in NPPES; status is on the state search - Practice location
- 5 E Briarwood St, Shawnee, OK 74804
- Phone
- (405) 642-5794
- Enumerated
- Apr 10, 2011
- Record last updated
- Apr 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 2,454 in Oklahoma → Look up another NPI →
Verify Marcy G. Landreth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 2180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marcy G. Landreth among 2,454 speech-language pathologist records in Oklahoma
Marcy G. Landreth, MS, CCC/SLP is one of 2,454 speech-language pathologist records with a practice address in Oklahoma. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 25% of them.
- NPI issued2011 · 25% of these records are older, 70% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 speech-language pathologist records list a practice address in Shawnee
They are 31 of the 1,175 NPPES records with a practice address in Shawnee, and 2,454 speech-language pathologist records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,454 in Oklahoma → Every provider in Shawnee → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Tonya Bussell, MS CCC SLP SPEECH PAShawnee, OK 748041255408126
- Carrie CarterShawnee, OK 748041982076865
- David Cook, PHDShawnee, OK 748041780122184
- Donna Griffin, SLP-CCCShawnee, OK 748041457620023
- Jackie Hurst, MSCCC-SLPShawnee, OK 748041306936315
- Jennifer Jones, M.S., CCC-SLPShawnee, OK 748041609109297
- Stacy Jones, MS, CCC-SLPShawnee, OK 748041902256480
- Kari Laxson, MS, CCC-SLPShawnee, OK 748041841425121
Common questions
What is Marcy G. Landreth, MS, CCC/SLP's NPI number?
Marcy G. Landreth, MS, CCC/SLP's National Provider Identifier (NPI) is 1477843589, issued on Apr 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Marcy G. Landreth, MS, CCC/SLP located?
The NPPES record lists a practice address at 5 E Briarwood St, Shawnee, OK, 74804. Phone: (405) 642-5794. Providers update this record themselves, so call before visiting.
How can I verify Marcy G. Landreth, MS, CCC/SLP's license?
NPPES lists Oklahoma license number 2180, as entered by the provider. 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. 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.