John Calvin Dang, M.D.
Family Medicine Physician · Milwaukee, WI
John Calvin Dang, M.D. is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1770826539, issued on Mar 30, 2013. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Calvin Dang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2016009145 MO
Self-reported in NPPES; status is on the state search - Practice location
- 8701 W Watertown Plank RD, Milwaukee, WI 53226
- Phone
- (414) 955-4575
- Enumerated
- Mar 30, 2013
- Record last updated
- Jul 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (414) 955-6528
- Medicare enrollment
- Enrolled (PECOS I20171003004306); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 8701 W Watertown Plank RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Calvin Dang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average family medicine physician in 2024
1,725 Medicare Part D claims for 206 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium172 claims
- Lisinopril79 claims
- Amlodipine Besylate58 claims
- Losartan Potassium48 claims
- Gabapentin47 claims
- Lantus Solostar46 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
- Prohealth Medical Group IncWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Calvin Dang among 3,765 family medicine physician records in Wisconsin
John Calvin Dang, M.D. 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2007 among the 2,347 with a school on file
- Record last updated2016 · 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).
299 family medicine physician records list a practice address in Milwaukee
They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Milwaukee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Syed Ahmed, MDMilwaukee, WI 532261982655460
- Joan Bedinghaus, MDMilwaukee, WI 532261780635136
- Steven Bondow, MDMilwaukee, WI 532261003843772
- Sabina Diehr, MDMilwaukee, WI 532261003867185
- Harold Ducloux, M.D.Wauwatosa, WI 532261154367811
- Sarah Gaglianello, MDMilwaukee, WI 532261750324570
- Ravi Gupta, M.D.Wauwatosa, WI 532261164494324
- Nancy Havas, MDMilwaukee, WI 532261255382081
Common questions
What is John Calvin Dang, M.D.'s NPI number?
John Calvin Dang, M.D.'s National Provider Identifier (NPI) is 1770826539, issued on Mar 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is John Calvin Dang, M.D. located?
The NPPES record lists a practice address at 8701 W Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 955-4575. Providers update this record themselves, so call before visiting.
How can I verify John Calvin Dang, M.D.'s license?
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 John Calvin Dang, M.D. prescribe under Medicare Part D?
In 2024, John Calvin Dang, M.D. had 1,725 Medicare Part D claims for 206 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.