ROBERT RYAN LEAHY M.D.
NPI 1679917900
Psychiatry & Neurology - Psychiatry in Brookfield, WI
About Robert Ryan Leahy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT RYAN LEAHY M.D. (NPI 1679917900) is an individual psychiatry provider in Brookfield, Wisconsin, licensed in Wisconsin (1411) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Robert Ryan Leahy M.d. 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.
Medicare Billing Reassignments
10Medicare enrollment records show Robert Leahy reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendale, WI 53212
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Jefferson, WI 53549
- Reassigned Medicare billing, Wisconsin enrollment
- 25 clinicians in this Medicare group
Manitowoc, WI 54220
- Reassigned Medicare billing, Wisconsin enrollment
- 875 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 clinicians in this Medicare group
Kewaunee, WI 54216
- Reassigned Medicare billing, Wisconsin enrollment
- 573 clinicians in this Medicare group
Davenport, IA 52803
- Reassigned Medicare billing, Iowa enrollment
- 358 clinicians in this Medicare group
Osseo, WI 54758
- Reassigned Medicare billing, Wisconsin enrollment
- 1,248 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Carle Health Care Incorporated
- 2,516 clinicians in this Medicare group
Spartanburg, SC 29303
- Reassigned Medicare billing, South Carolina enrollment
- 236 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bellin Memorial Hospital
Acute Care Hospitals · Green Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Robert Leahy's NPI number?
The NPI number for Robert Leahy is 1679917900. It was assigned to this individual provider in the NPPES registry on April 17, 2013. The provider is also known as R. Ryan Leahy M.D..
Where is Robert Leahy located?
Robert Leahy practices at 20225 Water Tower Blvd Ste 300, Brookfield, WI 53045. The listed phone number is (262) 500-4324.
What is Robert Leahy's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Robert Leahy enrolled in Medicare?
Yes. Robert Leahy 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.
Which organizations bill Medicare for Robert Leahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Leahy reassigns Medicare benefits to 10 organizations: Ascension Medical Group-Southeast Wisconsin Inc (Glendale, WI), Columbia St. Mary's Hospital Milwaukee Inc (Milwaukee, WI), Jefferson County (Jefferson, WI), Bellin Memorial Hospital Inc (Manitowoc, WI), Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, WI) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Leahy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Leahy accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Dean Health Plan and Group Health Cooperative-SCW and 5 other insurers list Robert Leahy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Robert Leahy affiliated with any hospitals?
According to CMS data, Robert Leahy is affiliated with Bellin Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Robert Leahy was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.
# Robert Ryan Leahy, M.D. · NPI 1679917900
Psychiatry physician in Brookfield, Wisconsin. Individual provider, active in the CMS NPPES registry since April 17, 2013.
## Identity
- **NPI:** 1679917900 (Entity type: Individual)
- **Enumerated:** April 17, 2013
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 1411 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 20225 WATER TOWER BLVD STE 300, Brookfield, WI 53045-3597
- **Phone:** (262) 500-4324 · **Fax:** (262) 226-9108
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Ascension Medical Group-Southeast Wisconsin Inc (NPI 1609881077, Glendale, WI); Columbia St. Mary's Hospital Milwaukee Inc (NPI 1225071491, Milwaukee, WI); Jefferson County (NPI 1275614919, Jefferson, WI); Bellin Memorial Hospital Inc (NPI 1992878730, Manitowoc, WI); Ascension Medical Group-Fox Valley Wisconsin, Inc (NPI 1730126392, Neenah, WI); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** September 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1679917900) · Data from the CMS NPPES public registry.