JAMES H STEIN MD
NPI 1427019348
Internal Medicine - Hypertension Specialist in Madison, WI
About James H Stein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES H STEIN MD (NPI 1427019348) is an individual hypertension specialist in Madison, Wisconsin, licensed in Wisconsin (37769) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Yale University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses 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
James H Stein 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 James Stein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Watertown, WI 53094
- Reassigned Medicare billing, Wisconsin enrollment
- 215 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIFrequently 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 James Stein's NPI number?
The NPI number for James Stein is 1427019348. It was assigned to this individual provider in the NPPES registry on March 30, 2006.
Where is James Stein located?
James Stein practices at 5 Brule Cir, Madison, WI 53717. The listed phone number is (608) 827-5216.
What is James Stein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hypertension Specialist, with taxonomy code 207RH0005X.
Is James Stein enrolled in Medicare?
Yes. James Stein 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 James Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Stein reassigns Medicare benefits to 2 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Watertown Physician Practices LLC (Watertown, 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 James Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Stein accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz list James Stein 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 James Stein affiliated with any hospitals?
According to CMS data, James Stein is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for James Stein was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# James H Stein, MD · NPI 1427019348
Hypertension Specialist physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 30, 2006.
## Identity
- **NPI:** 1427019348 (Entity type: Individual)
- **Enumerated:** March 30, 2006
- **Primary specialty:** Internal Medicine - Hypertension Specialist · taxonomy 207RH0005X
- **State license:** 37769 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 5 BRULE CIR, Madison, WI 53717-1800
- **Phone:** (608) 827-5216
## 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): University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Watertown Physician Practices LLC (NPI 1770964363, Watertown, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** November 3, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1427019348) · Data from the CMS NPPES public registry.