NPPES file of Aug 9, 2026

Allyson Mackenzie Hemphill, M.S. CCC-SLP

Speech-Language Pathologist · Tulsa, OK

Allyson Mackenzie Hemphill, M.S. CCC-SLP is a speech-language pathologist with a practice address in Tulsa, Oklahoma, and NPI 1619439734, issued on Apr 5, 2019. Check the license with the Oklahoma board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619439734
Name
Allyson Mackenzie Hemphill
Credential
M.S. CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
Practice location
2838 E 101St St, Tulsa, OK 74137
Phone
(918) 808-9749
Enumerated
Apr 5, 2019
Record last updated
Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2838 E 101St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mackenzie Komrij, OTR/LOccupational Therapist1104277391
  2. Schuyler Van Emburg, APRNFamily Nurse Practitioner1932829603

Verify Allyson Mackenzie Hemphill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oklahoma license search

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Allyson Mackenzie Hemphill among 2,454 speech-language pathologist records in Oklahoma

Allyson Mackenzie Hemphill, M.S. 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 2019, is newer than 62% of them.

  • NPI issued2019 · 62% of these records are older, 34% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2019 · 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).

389 speech-language pathologist records list a practice address in Tulsa

They are 389 of the 18,643 NPPES records with a practice address in Tulsa, and 2,454 speech-language pathologist records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Megan Annett, M.S., CCC-SLPTulsa, OK 741371023590361
  2. Christine BuzzardTulsa, OK 741371386854297
  3. Marcy Chekofsky, M.S.,CCC-SLPTulsa, OK 741371366779647
  4. Tamra Cook, M.S., CCC-SLPTulsa, OK 741371083837892
  5. Makenzie KlewerTulsa, OK 741371346965282
  6. Andrea Lea, MS, CCC-SLP/LTulsa, OK 741371366780017
  7. Amy Naugher, MS CCC/SLPTulsa, OK 741371093012411
  8. Christian Oliva, M.S., CCC-SLPTulsa, OK 741371437210655

Common questions

What is Allyson Mackenzie Hemphill, M.S. CCC-SLP's NPI number?

Allyson Mackenzie Hemphill, M.S. CCC-SLP's National Provider Identifier (NPI) is 1619439734, issued on Apr 5, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Allyson Mackenzie Hemphill, M.S. CCC-SLP located?

The NPPES record lists a practice address at 2838 E 101St St, Tulsa, OK, 74137. Phone: (918) 808-9749. Providers update this record themselves, so call before visiting.

How can I verify Allyson Mackenzie Hemphill, M.S. CCC-SLP'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. 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.