DR. LESLIE RENEE COCKERHAM M.D.
NPI 1326272162
Internal Medicine - Infectious Disease in Milwaukee, WI
About Dr. Leslie Renee Cockerham M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LESLIE RENEE COCKERHAM M.D. (NPI 1326272162) is an individual infectious disease provider in Milwaukee, Wisconsin, licensed in Wisconsin (63203) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Leslie Renee Cockerham 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
3Medicare enrollment records show Leslie Cockerham reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53212
- Reassigned Medicare billing, Missouri and Wisconsin enrollments
- 24 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Highland Park, MI 48203
- Reassigned Medicare billing, Michigan enrollment
- 5 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
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.
Froedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53212 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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILWAUKEE, WI 53212
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 Leslie Cockerham's NPI number?
The NPI number for Leslie Cockerham is 1326272162. It was assigned to this individual provider in the NPPES registry on May 7, 2009.
Where is Leslie Cockerham located?
Leslie Cockerham practices at 1311 N 6th St, Milwaukee, WI 53212. The listed phone number is (414) 223-6800.
What is Leslie Cockerham's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Leslie Cockerham enrolled in Medicare?
Yes. Leslie Cockerham 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 Leslie Cockerham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Cockerham reassigns Medicare benefits to 3 organizations: Vivent Health Inc (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Wellness Networks, Inc (Highland Park, MI). 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 Leslie Cockerham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leslie Cockerham accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan, HealthPartners and Medica and 5 other insurers list Leslie Cockerham 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 Leslie Cockerham affiliated with any hospitals?
According to CMS data, Leslie Cockerham is affiliated with Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Leslie Cockerham was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Leslie Renee Cockerham, M.D. · NPI 1326272162
Infectious Disease physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 7, 2009.
## Identity
- **NPI:** 1326272162 (Entity type: Individual)
- **Enumerated:** May 7, 2009
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 63203 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1311 N 6TH ST, Milwaukee, WI 53212-4006
- **Phone:** (414) 223-6800 · **Fax:** (414) 273-2357
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Vivent Health Inc (NPI 1770721607, Milwaukee, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Wellness Networks, Inc (NPI 1154712271, Highland Park, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** April 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1326272162) · Data from the CMS NPPES public registry.