NPPES file of Aug 9, 2026

Samantha Nivens, APRN

Family Nurse Practitioner · Tulsa, OK

Samantha Nivens, APRN is a family nurse practitioner with a practice address in Tulsa, Oklahoma, and NPI 1376338574, issued on Apr 10, 2025. Check the license (Oklahoma 222785, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1376338574
Name
Samantha Nivens
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
222785 OK
Self-reported in NPPES; status is on the state search
Practice location
6600 S Yale Ave Ste 600, Tulsa, OK 74136
Phone
(918) 491-5990
Enumerated
Apr 10, 2025
Record last updated
Mar 2, 2026
Fax
(918) 488-6673
Medicare enrollment
Enrolled (PECOS I20250605000484); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 2,711 in Oklahoma → Look up another NPI →

Also registered at 6600 S Yale Ave Ste 600

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

  1. Scott Asakevich, M.D.Internal Medicine Physician1356309769
  2. Benjamin Greiner, DO, MPHInternal Medicine Physician1902428212
  3. Taryn Haney, DO, MPH, AAHIVSInternal Medicine Physician1508447533
  4. Erin Rowan, APRNFamily Nurse Practitioner1396118972
  5. Cristina Sarrosa, APRN-CNPPrimary Care Nurse Practitioner1376097261

Verify Samantha Nivens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 222785    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Warren Clinic IncTulsa, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Samantha Nivens among 2,711 family nurse practitioner records in Oklahoma

Samantha Nivens, APRN is one of 2,711 family nurse practitioner records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 94% of them.

  • NPI issued2025 · 94% of these records are older, 2% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2024 · median 2018 among the 1,783 with a school on file
  • Record last updated2026 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

360 family nurse practitioner records list a practice address in Tulsa

They are 360 of the 18,643 NPPES records with a practice address in Tulsa, and 2,711 family nurse practitioner records in Oklahoma.

All 2,711 in Oklahoma → Every provider in Tulsa → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Anna Barela, RN, ARNP, FNP-CTulsa, OK 741361588823074
  2. Leigh Barr, ARNPTulsa, OK 741361285716209
  3. Teresa Donnell, APRNTulsa, OK 741361902183387
  4. Mandie Graham, ARNP, FNP-CTulsa, OK 741361851525562
  5. Ann Haun, ARNP, FNPTulsa, OK 741361689649808
  6. Roberta Keegan, ARNP, FNPTulsa, OK 741361093786576
  7. Natalija Kielhorn, CNPTulsa, OK 741361144619990
  8. Deborah Lammert, APRN-CNPTulsa, OK 741361417900275

Common questions

What is Samantha Nivens, APRN's NPI number?

Samantha Nivens, APRN's National Provider Identifier (NPI) is 1376338574, issued on Apr 10, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Samantha Nivens, APRN located?

The NPPES record lists a practice address at 6600 S Yale Ave Ste 600, Tulsa, OK, 74136. Phone: (918) 491-5990. Providers update this record themselves, so call before visiting.

How can I verify Samantha Nivens, APRN's license?

NPPES lists Oklahoma license number 222785, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.