Edward C. Chang, MD
Internal Medicine Physician · Milwaukee, WI
Edward C. Chang, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1669461141, issued on Oct 18, 2005. Check the license (Wisconsin 39339, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Edward C. Chang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39339 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3201 S 16TH St, Milwaukee, WI 53215
- Phone
- (414) 389-3180
- Enumerated
- Oct 18, 2005
- Record last updated
- Jun 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (414) 645-8240
- Medicaid ID
- 32558900 WI
- Medicare enrollment
- Enrolled (PECOS I20080111000332); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3201 S 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Edward C. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,921 Medicare Part D claims for 314 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 62 claims were for opioids.
Most prescribed
- Atorvastatin Calcium404 claims
- Losartan Potassium190 claims
- Levothyroxine Sodium172 claims
- Amlodipine Besylate168 claims
- Metoprolol Succinate167 claims
- Omeprazole150 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $145.14
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Ascension Medical Group-Southeast Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 382 in Milwaukee → All 2,078 in Wisconsin → Every provider in Milwaukee →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Edward C. Chang, MD's NPI number?
Edward C. Chang, MD's National Provider Identifier (NPI) is 1669461141, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edward C. Chang, MD located?
The NPPES record lists a practice address at 3201 S 16TH St, Milwaukee, WI, 53215. Phone: (414) 389-3180. Providers update this record themselves, so call before visiting.
How can I verify Edward C. Chang, MD's license?
NPPES lists Wisconsin license number 39339, 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 Edward C. Chang, MD prescribe under Medicare Part D?
In 2024, Edward C. Chang, MD had 4,921 Medicare Part D claims for 314 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Edward C. Chang, MD's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.