ISAAC MELIN MD
NPI 1689251225
Urology in Wauwatosa, WI
About Isaac Melin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISAAC MELIN MD (NPI 1689251225) is an individual urology provider in Wauwatosa, Wisconsin, licensed in Wisconsin (77639-020) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Medical College Of Wisconsin (2021).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Isaac Melin 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.
Medicare Billing Reassignments
2Medicare enrollment records show Isaac Melin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 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.
Froedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician 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.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Isaac Melin's NPI number?
The NPI number for Isaac Melin is 1689251225. It was assigned to this individual provider in the NPPES registry on March 29, 2021.
Where is Isaac Melin located?
Isaac Melin practices at 9200 W Wisconsin Ave, Wauwatosa, WI 53226. The listed phone number is (414) 805-0805.
What is Isaac Melin's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Isaac Melin enrolled in Medicare?
Yes. Isaac Melin 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 Isaac Melin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Melin reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Isaac Melin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isaac Melin accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Network Health list Isaac Melin 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 Isaac Melin affiliated with any hospitals?
According to CMS data, Isaac Melin is affiliated with Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Isaac Melin was last updated on July 9, 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.
# Isaac Melin, MD · NPI 1689251225
Urology physician in Wauwatosa, Wisconsin. Individual provider, active in the CMS NPPES registry since March 29, 2021.
## Identity
- **NPI:** 1689251225 (Entity type: Individual)
- **Enumerated:** March 29, 2021
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 77639-020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Wauwatosa, WI 53226-3522
- **Phone:** (414) 805-0805 · **Fax:** (414) 955-0122
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2021
## Record status
- **NPPES last updated:** July 9, 2026
- **Other identifiers:** Medicaid 1689251225 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1689251225) · Data from the CMS NPPES public registry.