DR. DAVID H TENNENBAUM M.D.
NPI 1710189121
Internal Medicine in Milwaukee, WI
About Dr. David H Tennenbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID H TENNENBAUM M.D. (NPI 1710189121) is an individual internal medicine provider in Milwaukee, Wisconsin, licensed in Illinois (125050204) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
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
Dr. David H Tennenbaum 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
5Medicare enrollment records show David Tennenbaum reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Chilton, WI 53014
- Reassigned Medicare billing, Wisconsin enrollment
- 140 clinicians in this Medicare group
Oshkosh, WI 54904
- Reassigned Medicare billing, Wisconsin enrollment
- 194 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 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 5
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.
Ascension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 David Tennenbaum's NPI number?
The NPI number for David Tennenbaum is 1710189121. It was assigned to this individual provider in the NPPES registry on June 5, 2007.
Where is David Tennenbaum located?
David Tennenbaum practices at 2320 N Lake Drive Room 3603, Milwaukee, WI 53211. The listed phone number is (414) 270-4932.
What is David Tennenbaum's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Tennenbaum enrolled in Medicare?
Yes. David Tennenbaum 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 David Tennenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Tennenbaum reassigns Medicare benefits to 5 organizations: Columbia St. Mary's Hospital Milwaukee, Inc (Milwaukee, WI), Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI), Ascension Calumet Hospital, Inc (Chilton, WI), Ascension NE Wisconsin, Inc (Oshkosh, WI) and Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, 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 David Tennenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Tennenbaum accept?
Health plans from Anthem Blue Cross and Blue Shield list David Tennenbaum 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 David Tennenbaum affiliated with any hospitals?
According to CMS data, David Tennenbaum is affiliated with Ascension Columbia St Mary's Hospital Milwaukee.
When was this NPI record last updated?
The NPPES record for David Tennenbaum was last updated on October 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.