Ryan Alcantara, MD
NPI 1619555703 · Emergency Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Alcantara, MD is a Emergency Medicine Physician provider in Milwaukee, WI (NPI 1619555703).
Provider details
- NPI number
- 1619555703
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 87307-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 5000 W National AveMilwaukee, WI 53295-0001Phone: (414) 384-2000
- 2900 W Oklahoma AveMilwaukee, WI 53215-4330Phone: (414) 649-6000
Registry dates
- Enumerated
- 2021-03-30
- Last updated
- 2026-05-16
- Certified
- 2026-05-16
Frequently asked questions
- What is Ryan Alcantara's NPI number?
- Ryan Alcantara's National Provider Identifier (NPI) is 1619555703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Alcantara's specialty?
- Ryan Alcantara is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Alcantara located?
- Ryan Alcantara's practice location on file with NPPES is 900 N 92nd St, Milwaukee, WI 53226-1202.
- What is Ryan Alcantara's phone number?
- The practice phone number listed in the NPPES registry for Ryan Alcantara is (414) 805-3000.
- Does Ryan Alcantara accept Medicare?
- Ryan Alcantara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Alcantara's NPI active?
- Yes — Ryan Alcantara's NPI (1619555703) is active in the NPPES registry as of the last update on 2026-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.