Nezih Z. Hasanoglu, D.O.
Family Medicine Physician · New Berlin, WI
Nezih Z. Hasanoglu, D.O. is a family medicine physician with a practice address in New Berlin, Wisconsin, and NPI 1730166901, issued on Dec 28, 2005. Check the license (Wisconsin 25286, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nezih Z. Hasanoglu
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25286 WI
Self-reported in NPPES; status is on the state search - Practice location
- 13700 W National Ave, New Berlin, WI 53151
- Phone
- (262) 782-5662
- Enumerated
- Dec 28, 2005
- Record last updated
- Jan 27, 2026
- Fax
- (262) 782-5296
- Medicaid ID
- 30019700 WI
- Medicare enrollment
- Enrolled (PECOS I20070524000120); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1982
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 13700 W National Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Izard, M.D.Family Medicine Physician1508831926
- Jack Patzer, BS RPHGeriatric Pharmacist1275605685
- Nancy Perrin, LCSWClinical Social Worker1780827899
- John Rader, LCSWMental Health Counselor1528140761
- Ralph Robe, DDSDentist1104878479
- Frederick Schaumberg, D.O.Gastroenterology Physician1194781641
Verify Nezih Z. Hasanoglu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 25286Check 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 family medicine physician in 2024
1,863 Medicare Part D claims for 122 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril134 claims
- Atorvastatin Calcium127 claims
- Amlodipine Besylate87 claims
- Buprenorphine-Naloxone76 claims
- Levothyroxine Sodium70 claims
- Atenolol64 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.
Nezih Z. Hasanoglu among 3,765 family medicine physician records in Wisconsin
Nezih Z. Hasanoglu, D.O. 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
- Graduated1982 · median 2007 among the 2,347 with a school on file
- Record last updated2026 · 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).
36 family medicine physician records list a practice address in New Berlin
They are 36 of the 662 NPPES records with a practice address in New Berlin, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in New Berlin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Roger Beaumont, D.O.New Berlin, WI 531511649268061
- James Censky, MDNew Berlin, WI 531511467459248
- Kevin Izard, M.D.New Berlin, WI 531511508831926
- Renee Knapp, D.O.New Berlin, WI 531511043283815
- Gary Kuhl, D.O.New Berlin, WI 531511649243429
- Gregory Kuhr, MDNew Berlin, WI 531511720049844
- Margaret Leonhardt, M.D.New Berlin, WI 531511538153416
- Thomas Mankiewicz, MDNew Berlin, WI 531511730186511
Common questions
What is Nezih Z. Hasanoglu, D.O.'s NPI number?
Nezih Z. Hasanoglu, D.O.'s National Provider Identifier (NPI) is 1730166901, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nezih Z. Hasanoglu, D.O. located?
The NPPES record lists a practice address at 13700 W National Ave, New Berlin, WI, 53151. Phone: (262) 782-5662. Providers update this record themselves, so call before visiting.
How can I verify Nezih Z. Hasanoglu, D.O.'s license?
NPPES lists Wisconsin license number 25286, 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 Nezih Z. Hasanoglu, D.O. prescribe under Medicare Part D?
In 2024, Nezih Z. Hasanoglu, D.O. had 1,863 Medicare Part D claims for 122 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.