James P. Spencer, MD
Family Medicine Physician · Waupaca, WI
James P. Spencer, MD is a family medicine physician with a practice address in Waupaca, Wisconsin, and NPI 1457619348, issued on Apr 27, 2012. Check the license (Wisconsin 61999, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James P. Spencer
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 61999 WI
Self-reported in NPPES; status is on the state search - Practice location
- 710 Riverside Dr, Waupaca, WI 54981
- Phone
- (715) 256-3000
- Enumerated
- Apr 27, 2012
- Record last updated
- Aug 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (715) 256-3039
- Medicare enrollment
- Enrolled (PECOS I20150908000837); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 710 Riverside Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Leidy Bauer, DNP-FNP BCFamily Nurse Practitioner1528800059
- Michael Bauer, MDFamily Medicine Physician1831121524
Verify James P. Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 61999Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family medicine physician in 2024
11,885 Medicare Part D claims for 699 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 330 claims were for opioids.
Most prescribed
- Atorvastatin Calcium613 claims
- Losartan Potassium440 claims
- Metoprolol Succinate371 claims
- Tamsulosin Hcl341 claims
- Amlodipine Besylate339 claims
- Lisinopril334 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 2 group practices
- Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.Stevens Point, WI
- Thedacare, IncorporatedWaupaca, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James P. Spencer among 3,765 family medicine physician records in Wisconsin
James P. Spencer, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2012 · median 2007 among the 2,347 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 family medicine physician records list a practice address in Waupaca
They are 26 of the 283 NPPES records with a practice address in Waupaca, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Waupaca → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Earl Anderson, MDWaupaca, WI 549811942220058
- Michael Bauer, MDWaupaca, WI 549811831121524
- Gilbert Burgstede, M.D.Waupaca, WI 549811942283775
- Russell Butkiewicz, M.D.Waupaca, WI 549811891730693
- Robert Dent, MDWaupaca, WI 549811649288093
- Sarah Durst, MDWaupaca, WI 549811114967312
- Russell Lewis, MDWaupaca, WI 549811255367025
- Kelly Pucillo, MDWaupaca, WI 549811548200595
Common questions
What is James P. Spencer, MD's NPI number?
James P. Spencer, MD's National Provider Identifier (NPI) is 1457619348, issued on Apr 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is James P. Spencer, MD located?
The NPPES record lists a practice address at 710 Riverside Dr, Waupaca, WI, 54981. Phone: (715) 256-3000. Providers update this record themselves, so call before visiting.
How can I verify James P. Spencer, MD's license?
NPPES lists Wisconsin license number 61999, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James P. Spencer, MD prescribe under Medicare Part D?
In 2024, James P. Spencer, MD had 11,885 Medicare Part D claims for 699 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.