Nicholas Dimitri Nassif, MD
Internal Medicine Physician · Milwaukee, WI
Nicholas Dimitri Nassif, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1427675230, issued on Jun 26, 2020. Check the license (Wisconsin 76409, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas Dimitri Nassif
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 76409 WI
Self-reported in NPPES; status is on the state search - Practice location
- 945 N 12TH St, Milwaukee, WI 53233
- Phone
- (414) 219-7427
- Enumerated
- Jun 26, 2020
- Record last updated
- May 30, 2023
- Fax
- (414) 219-6078
- Medicaid ID
- 100236503 WI
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 945 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas Dimitri Nassif in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 76409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
140 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Atorvastatin Calcium12 claims
- Farxiga11 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.
Industry payments in 2024: $509.00
2 payments; by number, the most common kind was consulting fee; the largest payer was GE Healthcare. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nicholas Dimitri Nassif among 2,078 internal medicine physician records in Wisconsin
Nicholas Dimitri Nassif, 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 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2023 · 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).
382 internal medicine physician records list a practice address in Milwaukee
They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Milwaukee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ellen Danto-Nocton, M.D.Milwaukee, WI 532331265440002
- Mark Gennis, MDMilwaukee, WI 532331164570644
- Thomas Jackson, MDMilwaukee, WI 532331629186242
- Manuel Joseph, MDMilwaukee, WI 532331447391123
- Ariba Khan, MDMilwaukee, WI 532331891802328
Common questions
What is Nicholas Dimitri Nassif, MD's NPI number?
Nicholas Dimitri Nassif, MD's National Provider Identifier (NPI) is 1427675230, issued on Jun 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Dimitri Nassif, MD located?
The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 219-7427. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Dimitri Nassif, MD's license?
NPPES lists Wisconsin license number 76409, 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 Nicholas Dimitri Nassif, MD prescribe under Medicare Part D?
In 2024, Nicholas Dimitri Nassif, MD had 140 Medicare Part D claims for 48 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.