Mary Joann Spiller, NP
Nurse Practitioner · New London, WI
Mary Joann Spiller, NP is a nurse practitioner with a practice address in New London, Wisconsin, and NPI 1639153877, issued on Dec 1, 2005. Check the license (Wisconsin 2144, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Joann Spiller
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 2144 WI
209004508 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1405 Mill St, New London, WI 54961
- Phone
- (920) 531-2400
- Enumerated
- Dec 1, 2005
- Record last updated
- Apr 25, 2023
- Medicaid ID
- 43988800 WI
- Medicare enrollment
- Enrolled (PECOS I20070502000022); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 1405 Mill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Becky Aus, FNP-CFamily Nurse Practitioner1639854052
- Julia Azure, PT, DPTPhysical Therapist1477448744
- Emily BecherPhysical Therapist1952918328
- Jack Behm, C.R.N.A.Anesthesiology Physician1578769717
- Cara Benner, APNPFamily Nurse Practitioner1245003805
Verify Mary Joann Spiller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average nurse practitioner in 2024
589 Medicare Part D claims for 407 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass61 claims
- Cephalexin58 claims
- Prednisone53 claims
- Nitrofurantoin Mono-Macro52 claims
- Albuterol Sulfate Hfa45 claims
- Doxycycline Monohydrate29 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
- Thedacare, IncorporatedNew London, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Joann Spiller among 3,995 nurse practitioner records in Wisconsin
Mary Joann Spiller, NP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 2017 among the 2,701 with a school on file
- Record last updated2023 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 nurse practitioner records list a practice address in New London
They are 9 of the 187 NPPES records with a practice address in New London, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in New London → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Alaina Beimborn, APNPNew London, WI 549611881306280
- Kimberly Brown, APNPNew London, WI 549611356620215
- Natalie Gauthier, APNPNew London, WI 549611063563211
- Staci Radtke, APNPNew London, WI 549611558662254
- Jennifer Resch, APNPNew London, WI 549611952685794
- Jennifer Schaffer, APNPNew London, WI 549611164850780
- Marcella Teske, APNPNew London, WI 549611770593931
- Emily WolfeNew London, WI 549611407531056
Common questions
What is Mary Joann Spiller, NP's NPI number?
Mary Joann Spiller, NP's National Provider Identifier (NPI) is 1639153877, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Joann Spiller, NP located?
The NPPES record lists a practice address at 1405 Mill St, New London, WI, 54961. Phone: (920) 531-2400. Providers update this record themselves, so call before visiting.
How can I verify Mary Joann Spiller, NP's license?
NPPES lists Wisconsin license number 2144, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Joann Spiller, NP prescribe under Medicare Part D?
In 2024, Mary Joann Spiller, NP had 589 Medicare Part D claims for 407 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.