NPPES file of Aug 9, 2026

Amy C. Costner-Lark, APRN-CNP

Family Nurse Practitioner · Oklahoma City, OK

Amy C. Costner-Lark, APRN-CNP is a family nurse practitioner with a practice address in Oklahoma City, Oklahoma, and NPI 1770537037, issued on May 20, 2006. Check the license (Oklahoma 100294, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770537037
Name
Amy C. Costner-Lark
Credential
APRN-CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
100294 OK
Self-reported in NPPES; status is on the state search
Practice location
3366 NW Expressway Ste 200, Oklahoma City, OK 73112
Phone
(405) 713-9930
Enumerated
May 20, 2006
Record last updated
Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(405) 713-9931
Medicare enrollment
Enrolled (PECOS I20101028000666); 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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Also registered at 3366 NW Expressway Ste 200

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

  1. Susan Coats, APRN-CNPFamily Nurse Practitioner1316437825
  2. Parissa Ferguson, PAPhysician Assistant1649882556
  3. Trevor Logan, MD, PHDNeurology Physician1568040533
  4. Ashish Masih, M.D.Neurology Physician1093857971
  5. Bonnie Renfro, APRNAcute Care Nurse Practitioner1316722986
  6. Salomi Salins, M.D.Clinical Neurophysiology Physician1609006352

Verify Amy C. Costner-Lark 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 100294
    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

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45% fewer Medicare Part D claims than the average family nurse practitioner in 2024

716 Medicare Part D claims for 93 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Amy Costner-Lark716
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium54 claims
  2. Memantine Hcl45 claims
  3. Levothyroxine Sodium33 claims
  4. Metformin Hcl32 claims
  5. Duloxetine Hcl31 claims
  6. Amlodipine Besylate29 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.

Bills Medicare through one group practice

  1. OU Health Partners IncOklahoma City, OK

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

577 family nurse practitioner records list a practice address in Oklahoma City

They are 577 of the 22,359 NPPES records with a practice address in Oklahoma City, and 2,711 family nurse practitioner records in Oklahoma.

Other family nurse practitioner records in Oklahoma

  1. Angela Abbott, APRN, FNP-COwasso, OK1700569993
  2. Melissa Abbott, DNP, APRN, FNP-CTulsa, OK1891508479
  3. Bincy Abraham, NURSE PRACTITIONEROklahoma City, OK1083066609
  4. Ligi Abraham, APRN CNPOklahoma City, OK1376158295
  5. Susan Abrahamsen, APRNEl Reno, OK1902016298
  6. Silas Abrenica, FNPFort Sill, OK1669529723
  7. Jessica Acosta-Van Den Berg, APRN-CNPClinton, OK1922404888
  8. Stephanie Adame, APRNTulsa, OK1003402918
  9. Amy Adams, DNP, APRN, CNPSalina, OK1477952901
  10. Harvey Adams, APRNOklahoma City, OK1003363250

Common questions

What is Amy C. Costner-Lark, APRN-CNP's NPI number?

Amy C. Costner-Lark, APRN-CNP's National Provider Identifier (NPI) is 1770537037, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Amy C. Costner-Lark, APRN-CNP located?

The NPPES record lists a practice address at 3366 NW Expressway Ste 200, Oklahoma City, OK, 73112. Phone: (405) 713-9930. Providers update this record themselves, so call before visiting.

How can I verify Amy C. Costner-Lark, APRN-CNP's license?

NPPES lists Oklahoma license number 100294, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Amy C. Costner-Lark, APRN-CNP prescribe under Medicare Part D?

In 2024, Amy C. Costner-Lark, APRN-CNP had 716 Medicare Part D claims for 93 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.