Christopher P. Sobczak, MD
Internal Medicine Physician · New Berlin, WI
Christopher P. Sobczak, MD is an internal medicine physician with a practice address in New Berlin, Wisconsin, and NPI 1770534265, issued on May 12, 2006. Check the license (Wisconsin 40253, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Christopher P. Sobczak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 40253 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4805 S Moorland RD, New Berlin, WI 53151
- Phone
- (262) 798-7200
- Enumerated
- May 12, 2006
- Record last updated
- Jan 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (262) 798-7201
- Medicaid ID
- 1770534265 WI
- Medicare enrollment
- Enrolled (PECOS I20100407000169); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 4805 S Moorland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carissa Aboubakare, WHNP-BCWomen's Health Nurse Practitioner1497206916
- Alana Akam, PHARMDPharmacist1386366185
- Naveet Bal, MDNephrology Physician1578773131
- Bryan Beaumont, D.O.Family Medicine Physician1073046520
- Roger Beaumont, D.O.Family Medicine Physician1649268061
- Joseph Bonneville, PAPhysician Assistant1780632919
Verify Christopher P. Sobczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average internal medicine physician in 2024
6,248 Medicare Part D claims for 440 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 95 claims were for opioids.
Most prescribed
- Atorvastatin Calcium578 claims
- Losartan Potassium395 claims
- Rosuvastatin Calcium348 claims
- Amlodipine Besylate253 claims
- Levothyroxine Sodium214 claims
- Omeprazole192 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
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncNew Berlin, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher P. Sobczak among 2,078 internal medicine physician records in Wisconsin
Christopher P. Sobczak, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1997 · median 2002 among the 1,098 with a school on file
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in New Berlin
They are 17 of the 662 NPPES records with a practice address in New Berlin, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in New Berlin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Basile, M.D.New Berlin, WI 531511962495978
- Andrew Catanzaro, MDNew Berlin, WI 531511003848243
- Steve Chang, MDNew Berlin, WI 531511295897569
- Stephen Desidero, M.D.New Berlin, WI 531511871586818
- Laura Duncan, MDNew Berlin, WI 531511265464408
- Scott Fenske, M.D.New Berlin, WI 531511619960309
- Soo Ah Kim, M.DNew Berlin, WI 531511851529929
- Dennis Mannino, M.D.New Berlin, WI 531511487647186
Common questions
What is Christopher P. Sobczak, MD's NPI number?
Christopher P. Sobczak, MD's National Provider Identifier (NPI) is 1770534265, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher P. Sobczak, MD located?
The NPPES record lists a practice address at 4805 S Moorland RD, New Berlin, WI, 53151. Phone: (262) 798-7200. Providers update this record themselves, so call before visiting.
How can I verify Christopher P. Sobczak, MD's license?
NPPES lists Wisconsin license number 40253, 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 Christopher P. Sobczak, MD prescribe under Medicare Part D?
In 2024, Christopher P. Sobczak, MD had 6,248 Medicare Part D claims for 440 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.