James Thomas Jerzak, MD
Family Medicine Physician · Green Bay, WI
James Thomas Jerzak, MD is a family medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1760466502, issued on Dec 5, 2005. Check the license (Wisconsin 25960, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James Thomas Jerzak
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25960 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1630 Commanche Ave, Green Bay, WI 54313
- Phone
- (920) 430-4700
- Enumerated
- Dec 5, 2005
- Record last updated
- May 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1630 Commanche Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Thomas Jerzak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 25960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
54 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 72% of claims.
Most prescribed
- Xarelto27 claims
- Doxycycline Monohydrate13 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.
James Thomas Jerzak among 3,765 family medicine physician records in Wisconsin
James Thomas Jerzak, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2012 · 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).
94 family medicine physician records list a practice address in Green Bay
They are 94 of the 4,619 NPPES records with a practice address in Green Bay, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Green Bay → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mary Connelly, MDGreen Bay, WI 543131841274636
- Shane Degen, M.D.Green Bay, WI 543131336127240
- Izabela Ditchen, MDGreen Bay, WI 543131104800911
- Tammy Durant, MDGreen Bay, WI 543131184690448
- Loren Fuglestad, MDGreen Bay, WI 543131669456463
- James Gast, MDGreen Bay, WI 543131710961529
- Blake Lemke, DOGreen Bay, WI 543131902822729
- Daniel Lemkuil, MDGreen Bay, WI 543131730163437
Common questions
What is James Thomas Jerzak, MD's NPI number?
James Thomas Jerzak, MD's National Provider Identifier (NPI) is 1760466502, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Thomas Jerzak, MD located?
The NPPES record lists a practice address at 1630 Commanche Ave, Green Bay, WI, 54313. Phone: (920) 430-4700. Providers update this record themselves, so call before visiting.
How can I verify James Thomas Jerzak, MD's license?
NPPES lists Wisconsin license number 25960, 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 Thomas Jerzak, MD prescribe under Medicare Part D?
In 2024, James Thomas Jerzak, MD had 54 Medicare Part D claims; 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.