Registry data as of Aug 27, 2026

Ryan Alcantara, MD

Emergency Medicine Physician · Milwaukee, WI

Ryan Alcantara, MD is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1619555703, issued on Mar 30, 2021. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619555703
Name
Ryan Alcantara
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
900 N 92ND St, Milwaukee, WI 53226
Phone
(414) 805-3000
Enumerated
Mar 30, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 900 N 92ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hailey AhrensPharmacist1962283366
  2. Alex ArndtPharmacist1275456857
  3. Marie Baguidy, MDStudent in an Organized Health Care Education/Training Program1487220513
  4. Robert Barr, DPTPhysical Therapist1376423517
  5. Julia BassPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1891457719
  6. Claire Beres, MDStudent in an Organized Health Care Education/Training Program1578266086

Verify Ryan Alcantara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

89% fewer Medicare Part D claims than the average emergency medicine physician in 2024

39 Medicare Part D claims for 27 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Ryan Alcantara39
  2. Specialty average355

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.

One hospital or facility affiliation

  1. Northwest Emergency Physicians LLCAberdeen, WA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

350 emergency medicine physician records list a Milwaukee practice address

They are 350 of the 18,389 NPPES records with a Milwaukee practice address, and 1,420 emergency medicine physician records in Wisconsin.

Other emergency medicine physician records in Wisconsin

  1. Hythem Abad, DOPortage, WI1548799455
  2. Alan Abdulla, D.O.Waukesha, WI1508164419
  3. Krystyna Abdulla, DONew Berlin, WI1205146578
  4. Abdulmoniem Abdulmoniem, M.D.Elkhorn, WI1194175042
  5. Justine Abel, DOEau Claire, WI1861830507
  6. Denise Abernethy, M.D.Oak Creek, WI1376718650
  7. Michael Abernethy, MDMadison, WI1013972579
  8. Meinkeng Acha-Morfaw, MDMadison, WI1467934836
  9. Manish Acharya, M.D.Milwaukee, WI1437129715
  10. Axel AdamsMadison, WI1366905192

Common questions

What is Ryan Alcantara, MD's NPI number?

Ryan Alcantara, MD's National Provider Identifier (NPI) is 1619555703, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Alcantara, MD located?

The NPPES record lists a practice address at 900 N 92ND St, Milwaukee, WI, 53226. Phone: (414) 805-3000. Providers update this record themselves, so call before visiting.

How can I verify Ryan Alcantara, MD'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 Ryan Alcantara, MD prescribe under Medicare Part D?

In 2024, Ryan Alcantara, MD had 39 Medicare Part D claims for 27 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.