RYAN J ALCANTARA MD
NPI 1619555703
Emergency Medicine in Milwaukee, WI

Active since March 30, 2021PECOS EnrolledAccepts Medicare Assignment
900 N 92ND ST, MILWAUKEE, WI 53226(414) 805-3000 Get Directions Write a Review

NPPES record last updated: May 16, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 16, 2026, Apr 1, 2021 (2 updates tracked since 2021).

About Ryan J Alcantara Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RYAN J ALCANTARA MD (NPI 1619555703) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Washington (MD61540098) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Grays Harbor Community Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1619555703
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameRYAN J ALCANTARACredential: MD
Location Address900 N 92ND STMilwaukee, WI 53226-1202
Mailing Address8701 Watertown Plank RdMilwaukee, WI 53226-3548 · (414) 955-0437 · Fax (414) 955-0093
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 2021
Enumeration DateMarch 30, 2021
Last NPPES UpdateMay 16, 20262 updates tracked since enumeration
NPPES CertifiedMay 16, 2026
NPI 1619555703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in WA · MD61540098 Licensed in WI · 87307-20
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 87307-20 (WI)
900 N 92ND ST, Milwaukee, WI 53226

Secondary Practice Locations 2

Location 12900 W Oklahoma AveMilwaukee, WI 53215-4330 · Phone (414) 649-6000
Location 25000 W National AveMilwaukee, WI 53295-0001 · Phone (414) 384-2000

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ryan J Alcantara Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961810130
PECOS Enrollment IDI20250801001416
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grays Harbor Community Hospital

Acute Care Hospitals · Aberdeen, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500031
Location915 Anderson DriveAberdeen, WA 98520 · Grays Harbor County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinical Nurse Specialist
900 N 92ND ST
MILWAUKEE, WI 53226
Pharmacist
900 N 92ND ST
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
900 N 92ND ST
MILWAUKEE, WI 53226
Occupational Therapist (Physical Rehabilitation)
900 N 92ND ST
WAUWATOSA, WI 53226
Pharmacist (Emergency Medicine)
900 N 92ND ST
MILWAUKEE, WI 53226
Pharmacist
900 N 92ND ST
MILWAUKEE, WI 53226
Pharmacist
900 N 92ND ST
MILWAUKEE, WI 53226
Student in an Organized Health Care Education/Training Program
900 N 92ND ST
MILWAUKEE, WI 53226

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Alcantara's NPI number?

The NPI number for Ryan Alcantara is 1619555703. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is Ryan Alcantara located?

Ryan Alcantara practices at 900 N 92nd St, Milwaukee, WI 53226. The listed phone number is (414) 805-3000.

What is Ryan Alcantara's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ryan Alcantara enrolled in Medicare?

Yes. Ryan Alcantara is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ryan Alcantara affiliated with any hospitals?

According to CMS data, Ryan Alcantara is affiliated with Grays Harbor Community Hospital.

When was this NPI record last updated?

The NPPES record for Ryan Alcantara was last updated on May 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.