Izabela J. Ditchen, MD
Family Medicine Physician · Green Bay, WI
Izabela J. Ditchen, MD is a family medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1104800911, issued on Dec 5, 2005. Check the license (Wisconsin 45158, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Izabela J. Ditchen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 45158 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2714 Riverview Dr, Green Bay, WI 54313
- Phone
- (920) 430-4760
- Enumerated
- Dec 5, 2005
- Record last updated
- Dec 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 34321800 WI
- Medicare enrollment
- Enrolled (PECOS I20040322001183); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 2714 Riverview Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tammy Durant, MDFamily Medicine Physician1184690448
- Teaghan EverardProfessional Counselor1629955158
- Cathy Freis, NPNurse Practitioner1467437830
- Loren Fuglestad, MDFamily Medicine Physician1669456463
- Donald Hartig, MDInternal Medicine Physician1073597803
- Collin Hess, MDFamily Medicine Physician1487281952
Verify Izabela J. Ditchen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average family medicine physician in 2024
5,096 Medicare Part D claims for 469 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium263 claims
- Levothyroxine Sodium226 claims
- Rosuvastatin Calcium172 claims
- Omeprazole150 claims
- Losartan Potassium145 claims
- Gabapentin131 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
- Bellin Memorial Hospital IncDe Pere, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Izabela J. Ditchen among 3,765 family medicine physician records in Wisconsin
Izabela J. Ditchen, 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 fileYes · 62% of these records are
- Graduated1996 · median 2007 among the 2,347 with a school on file
- Record last updated2018 · 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
- Tammy Durant, MDGreen Bay, WI 543131184690448
- Loren Fuglestad, MDGreen Bay, WI 543131669456463
- James Gast, MDGreen Bay, WI 543131710961529
- James Jerzak, MDGreen Bay, WI 543131760466502
- Blake Lemke, DOGreen Bay, WI 543131902822729
- Daniel Lemkuil, MDGreen Bay, WI 543131730163437
Common questions
What is Izabela J. Ditchen, MD's NPI number?
Izabela J. Ditchen, MD's National Provider Identifier (NPI) is 1104800911, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Izabela J. Ditchen, MD located?
The NPPES record lists a practice address at 2714 Riverview Dr, Green Bay, WI, 54313. Phone: (920) 430-4760. Providers update this record themselves, so call before visiting.
How can I verify Izabela J. Ditchen, MD's license?
NPPES lists Wisconsin license number 45158, 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 Izabela J. Ditchen, MD prescribe under Medicare Part D?
In 2024, Izabela J. Ditchen, MD had 5,096 Medicare Part D claims for 469 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.