Jolyn Threlkeld, ARNP, FNP-BC
Family Nurse Practitioner · Spencer, IA
Jolyn Threlkeld, ARNP, FNP-BC is a family nurse practitioner with a practice address in Spencer, Iowa, and NPI 1588257695, issued on Feb 19, 2021. Check the license (Iowa A162514, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jolyn Threlkeld
- Credential
- ARNP, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A162514 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 1St Ave E Ste 2, Spencer, IA 51301
- Phone
- (712) 264-6550
- Enumerated
- Feb 19, 2021
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (712) 264-6553
- Medicare enrollment
- Enrolled (PECOS I20210603000182); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Verify Jolyn Threlkeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A162514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family nurse practitioner in 2024
248 Medicare Part D claims for 89 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Anastrozole27 claims
- Hydroxyurea25 claims
- Prochlorperazine Maleate20 claims
- Prednisone14 claims
- Potassium Chloride11 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.
One hospital affiliation
- Spencer Municipal HospitalSpencer, IA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jolyn Threlkeld among 1,971 family nurse practitioner records in Iowa
Jolyn Threlkeld, ARNP, FNP-BC is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 25% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2020 · median 2018 among the 1,398 with a school on file
- Record last updated2021 · 43% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family nurse practitioner records list a practice address in Spencer
They are 17 of the 346 NPPES records with a practice address in Spencer, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Spencer → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Miranda BrowerSpencer, IA 513011467747147
- Sue Brugman, ARNPSpencer, IA 513011538501085
- Jay DowningSpencer, IA 513011982088225
- Leisha Fischer, ARNPSpencer, IA 513011184040511
- Peyton Hantelman, ARNP-FNPSpencer, IA 513011700504776
- Kathi Heckert, CNPSpencer, IA 513011003046939
- Maureen Horsley, ARNPSpencer, IA 513011366422990
- Carol Lamoureux-Lewallen, DNP. ARNPSpencer, IA 513011669756474
Common questions
What is Jolyn Threlkeld, ARNP, FNP-BC's NPI number?
Jolyn Threlkeld, ARNP, FNP-BC's National Provider Identifier (NPI) is 1588257695, issued on Feb 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jolyn Threlkeld, ARNP, FNP-BC located?
The NPPES record lists a practice address at 1200 1St Ave E Ste 2, Spencer, IA, 51301. Phone: (712) 264-6550. Providers update this record themselves, so call before visiting.
How can I verify Jolyn Threlkeld, ARNP, FNP-BC's license?
NPPES lists Iowa license number A162514, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Jolyn Threlkeld, ARNP, FNP-BC prescribe under Medicare Part D?
In 2024, Jolyn Threlkeld, ARNP, FNP-BC had 248 Medicare Part D claims for 89 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.