NPPES file of Aug 9, 2026

Jamie Marie Ernst, FNP-APN

Family Nurse Practitioner · Lawton, OK

Jamie Marie Ernst, FNP-APN is a family nurse practitioner with a practice address in Lawton, Oklahoma, and NPI 1679013809, issued on Mar 7, 2017. Check the license (Oklahoma 90507, 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
1679013809
Name
Jamie Marie Ernst
Credential
FNP-APN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
90507 OK
Self-reported in NPPES; status is on the state search
Practice location
6744 NW Cache RD, Lawton, OK 73505
Phone
(580) 536-9355
Enumerated
Mar 7, 2017
Record last updated
Feb 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190305001705); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 6744 NW Cache RD

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

  1. Courtnie Alberry-Minnear, APRN, FNP-BCFamily Nurse Practitioner1841996378
  2. Susan Armour, APRN-CNPFamily Nurse Practitioner1730650680
  3. Dustin Brooks, PA-CMedical Physician Assistant1477060457
  4. Samantha Christy, PAPhysician Assistant1376016741
  5. Rachael HallPhysician Assistant1306584321
  6. Carmen Hernandez Ware, APRN, NP-CFamily Nurse Practitioner1558613158

Verify Jamie Marie Ernst 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 90507    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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70% fewer Medicare Part D claims than the average family nurse practitioner in 2024

385 Medicare Part D claims for 290 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Jamie Ernst385
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass59 claims
  2. Azithromycin55 claims
  3. Cephalexin40 claims
  4. Doxycycline Hyclate31 claims
  5. Paxlovid28 claims
  6. Nitrofurantoin Mono-Macro20 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. Mercy Oklahoma Ambulatory Services LLCNichols Hills, OK

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

69 family nurse practitioner records list a practice address in Lawton

They are 69 of the 2,582 NPPES records with a practice address in Lawton, and 2,711 family nurse practitioner records in Oklahoma.

All 69 in Lawton → All 2,711 in Oklahoma → Every provider in Lawton →

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 Jamie Marie Ernst, FNP-APN's NPI number?

Jamie Marie Ernst, FNP-APN's National Provider Identifier (NPI) is 1679013809, issued on Mar 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jamie Marie Ernst, FNP-APN located?

The NPPES record lists a practice address at 6744 NW Cache RD, Lawton, OK, 73505. Phone: (580) 536-9355. Providers update this record themselves, so call before visiting.

How can I verify Jamie Marie Ernst, FNP-APN's license?

NPPES lists Oklahoma license number 90507, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Jamie Marie Ernst, FNP-APN prescribe under Medicare Part D?

In 2024, Jamie Marie Ernst, FNP-APN had 385 Medicare Part D claims for 290 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.

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.