DR. ALEXIS JO GUMM M.D.
NPI 1316333859
Pediatrics - Pediatric Gastroenterology in Milwaukee, WI

Active since April 11, 2015PECOS EnrolledAccepts Medicare Assignment
9000 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 266-3690(414) 266-3676 Get Directions Write a Review

NPPES record last updated: June 12, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 12, 2023, Jul 21, 2022, Feb 12, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Alexis Jo Gumm M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXIS JO GUMM M.D. (NPI 1316333859) is an individual pediatric gastroenterology provider in Milwaukee, Wisconsin, licensed in Wisconsin (66899) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Appleton, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2015).

NPPES Registry Identity

NPI1316333859
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameDR. ALEXIS JO GUMMCredential: M.D.
Location Address9000 W WISCONSIN AVEMilwaukee, WI 53226-4874
Mailing Address9000 W Wisconsin AveMilwaukee, WI 53226-4874 · (414) 266-3690 · Fax (414) 266-3676
Fax(414) 266-3676
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2015
Enumeration DateApril 11, 2015
Last NPPES UpdateJune 12, 20234 updates tracked since enumeration
NPPES CertifiedJune 2, 2023
✔ NPI 1316333859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in WI · 66899
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 66899-20 (WI)
9000 W WISCONSIN AVE, Milwaukee, WI 53226

Secondary Practice Location 1

Location 12575 E Evergreen DriveAppleton, WI 54913-8904 · Phone (414) 266-3690 · Fax (414) 266-3676

Other Identifiers 1

Medicaid1316333859WI

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. Alexis Jo Gumm 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.

PECOS PAC ID143539320
PECOS Enrollment IDI20220716000485
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Alexis Gumm reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
9000 W WISCONSIN AVE
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Childrens Specialty Group Inc
  • 424 clinicians in this Medicare group
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 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 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.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Pediatrics)
9000 W WISCONSIN AVE, PEDIATRIC CRITICAL CARE
MILWAUKEE, WI 53226
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics (Pediatric Endocrinology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Dietitian, Registered
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Social Worker (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Psychologist (Clinical)
9000 W WISCONSIN AVE
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 Alexis Gumm's NPI number?

The NPI number for Alexis Gumm is 1316333859. It was assigned to this individual provider in the NPPES registry on April 11, 2015.

Where is Alexis Gumm located?

Alexis Gumm practices at 9000 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 266-3690.

What is Alexis Gumm's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Alexis Gumm enrolled in Medicare?

Yes. Alexis Gumm 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 Alexis Gumm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Gumm reassigns Medicare benefits to 2 organizations: Children's Specialty Group, Inc. (Milwaukee, WI) and The Medical College Of Wisconsin, 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 Alexis Gumm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexis Gumm accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Network Health and UnitedHealthcare list Alexis Gumm 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 Alexis Gumm was last updated on June 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.