RYAN A STONE MD
NPI 1346454634
Obstetrics & Gynecology - Maternal & Fetal Medicine in Milwaukee, WI
About Ryan A Stone Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN A STONE MD (NPI 1346454634) is an individual maternal & fetal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (62954) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Huntington, and is a graduate of Jc Edwards School Of Medicine, Marshall University (2004).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 5
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
Ryan A Stone 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 Ryan Stone reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53233 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 53233
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 Stone's NPI number?
The NPI number for Ryan Stone is 1346454634. It was assigned to this individual provider in the NPPES registry on May 9, 2007.
Where is Ryan Stone located?
Ryan Stone practices at 1020 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-5633.
What is Ryan Stone's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Ryan Stone enrolled in Medicare?
Yes. Ryan Stone 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 Ryan Stone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Stone reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (Milwaukee, WI) and Aurora Advanced Healthcare, Inc. (Milwaukee, 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 Ryan Stone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Stone accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Ryan Stone 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.
When was this NPI record last updated?
The NPPES record for Ryan Stone was last updated on December 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Ryan A Stone, MD · NPI 1346454634
Maternal & Fetal Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 9, 2007.
## Identity
- **NPI:** 1346454634 (Entity type: Individual)
- **Enumerated:** May 9, 2007
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** 62954 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1020 N 12TH ST, Milwaukee, WI 53233-1308
- **Phone:** (414) 219-5633
## 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): Aurora Medical Group, Inc. (NPI 1427271378, Milwaukee, WI); Aurora Advanced Healthcare, Inc. (NPI 1265629133, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jc Edwards School Of Medicine, Marshall University, class of 2004
## Record status
- **NPPES last updated:** December 8, 2023
- **Other identifiers:** Medicaid 3810020263 (WV); Medicaid 5909535 (NC); Medicaid 3154465 (OH); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346454634) · Data from the CMS NPPES public registry.