Nikki Barker, DNP, APRN-CNP
Family Nurse Practitioner · Marietta, OK
Nikki Barker, DNP, APRN-CNP is a family nurse practitioner with a practice address in Marietta, Oklahoma, and NPI 1316584253, issued on Dec 10, 2019. Check the license (Oklahoma 109538, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nikki Barker
- Credential
- DNP, APRN-CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 109538 OK
Self-reported in NPPES; status is on the state search - Practice location
- 301 Wanda St, Marietta, OK 73448
- Phone
- (580) 276-2400
- Enumerated
- Dec 10, 2019
- Entity
- Type 1 · individual
Also registered at 301 Wanda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy Goode, MDFamily Medicine Physician1225248784
- Stephen Hutchins, M.D.Family Medicine Physician1073564597
- John O'Connor, D.O.Family Medicine Physician1831140193
- Patricia Owens, FNPNurse Practitioner1871544338
- Larry Powell, M.D.Family Medicine Physician1144271669
Verify Nikki Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 109538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
5% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,234 Medicare Part D claims for 198 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 23 claims were for opioids.
Most prescribed
- Levothyroxine Sodium57 claims
- Atorvastatin Calcium56 claims
- Methylprednisolone47 claims
- Lisinopril41 claims
- Amlodipine Besylate37 claims
- Duloxetine Hcl34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.35
1 payment, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 family nurse practitioner records list a Marietta practice address
They are 2 of the 33 NPPES records with a Marietta practice address, and 2,434 family nurse practitioner records in Oklahoma.
All 2 in Marietta → All 2,434 in Oklahoma → Every provider in Marietta →
Other family nurse practitioner records in Oklahoma
- Melissa Abbott, DNP, APRN, FNP-CTulsa, OK1891508479
- Bincy Abraham, NURSE PRACTITIONEROklahoma City, OK1083066609
- Ligi Abraham, APRN CNPOklahoma City, OK1376158295
- Susan Abrahamsen, APRNEl Reno, OK1902016298
- Silas Abrenica, FNPFort Sill, OK1669529723
- Jessica Acosta-Van Den Berg, APRN-CNPClinton, OK1922404888
- Stephanie Adame, APRNTulsa, OK1003402918
- Amy Adams, DNP, APRN, CNPSalina, OK1477952901
- Harvey Adams, APRNOklahoma City, OK1003363250
- Kristi Adams, APRN-CNPArdmore, OK1366953184
Common questions
What is Nikki Barker, DNP, APRN-CNP's NPI number?
Nikki Barker, DNP, APRN-CNP's National Provider Identifier (NPI) is 1316584253, issued on Dec 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nikki Barker, DNP, APRN-CNP located?
The NPPES record lists a practice address at 301 Wanda St, Marietta, OK, 73448. Phone: (580) 276-2400. Providers update this record themselves, so call before visiting.
How can I verify Nikki Barker, DNP, APRN-CNP's license?
NPPES lists Oklahoma license number 109538, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Nikki Barker, DNP, APRN-CNP prescribe under Medicare Part D?
In 2024, Nikki Barker, DNP, APRN-CNP had 1,234 Medicare Part D claims for 198 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.