NPPES file of Aug 9, 2026

Sarah Wissemeier, CNP

Family Nurse Practitioner · Lawton, OK

Sarah Wissemeier, CNP is a family nurse practitioner with a practice address in Lawton, Oklahoma, and NPI 1235514407, issued on Jul 29, 2015. Check the license (Oklahoma 116875, 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
1235514407
Name
Sarah Wissemeier
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
116875 OK
Self-reported in NPPES; status is on the state search
Practice location
3428 NW Cache RD, Lawton, OK 73505
Phone
(580) 595-7207
Enumerated
Jul 29, 2015
Record last updated
Jul 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240206004312); 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.
Download card Updates feed

Also registered at 3428 NW Cache RD

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

  1. Toni Griffin, M.D.Family Medicine Physician1205283678

Verify Sarah Wissemeier 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 116875
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

78% more Medicare Part D claims than the average family nurse practitioner in 2024

2,326 Medicare Part D claims for 357 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 65 claims were for opioids.

  1. Sarah Wissemeier2,326
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium165 claims
  2. Levothyroxine Sodium91 claims
  3. Losartan Potassium87 claims
  4. Lisinopril83 claims
  5. Amlodipine Besylate75 claims
  6. Gabapentin71 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. Providence Health And Services WashingtonLacey, WA

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

Sarah Wissemeier among 2,711 family nurse practitioner records in Oklahoma

Sarah Wissemeier, CNP 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 2015, is newer than 25% of them.

  • NPI issued2015 · 25% of these records are older, 69% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2015 · median 2018 among the 1,783 with a school on file
  • Record last updated2015 · 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).

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.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Bryan Barnes, APRN-CNPLawton, OK 735051821427576
  2. Jennifer Donnelly, DFNP, APRN, NP-BCLawton, OK 735051063725547
  3. Emilie Fallwell, NP-CLawton, OK 735051629365713
  4. Angela Farmer, ARNPLawton, OK 735051518175892
  5. Marina Garrison, APRN-NPCLawton, OK 735051902207798
  6. Jennifer Gilbow, ARNP RN DNP CFNPLawton, OK 735051144279258
  7. Carmen Hernandez Ware, APRN, NP-CLawton, OK 735051558613158
  8. Barbara Heying, ARNPLawton, OK 735051750459954

Common questions

What is Sarah Wissemeier, CNP's NPI number?

Sarah Wissemeier, CNP's National Provider Identifier (NPI) is 1235514407, issued on Jul 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Wissemeier, CNP located?

The NPPES record lists a practice address at 3428 NW Cache RD, Lawton, OK, 73505. Phone: (580) 595-7207. Providers update this record themselves, so call before visiting.

How can I verify Sarah Wissemeier, CNP's license?

NPPES lists Oklahoma license number 116875, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Wissemeier, CNP prescribe under Medicare Part D?

In 2024, Sarah Wissemeier, CNP had 2,326 Medicare Part D claims for 357 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.