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DR. MARY CRONIN MD
NPI 1417901711
Internal Medicine - Rheumatology in Milwaukee, WI

Active since May 20, 2006PECOS Enrolled
9200 W WISCONSIN AVE, DIVISION OF RHEUMATOLOGY, MILWAUKEE, WI 53226(414) 805-6655(414) 805-6676 Get Directions Write a Review

NPPES record last updated: July 13, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mary Cronin Md NPPES

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

DR. MARY CRONIN MD (NPI 1417901711) is an individual rheumatology provider in Milwaukee, Wisconsin, licensed in Wisconsin (23007) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417901711
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. MARY CRONINCredential: MD
Location Address9200 W WISCONSIN AVE, DIVISION OF RHEUMATOLOGYMilwaukee, WI 53226-3522
Mailing Address7080n Port Washington RdGlendale, WI 53217-3879 · (414) 351-4009 · Fax (414) 351-7060
Phone(414) 805-6655
Fax(414) 805-6676
Sole ProprietorNo
Enumeration DateMay 20, 2006
Last NPPES UpdateJuly 13, 2015
✔ NPI 1417901711 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in WI · 23007
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
9200 W WISCONSIN AVE, Milwaukee, WI 53226
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Other Identifiers 4

Medicare PIN0801 73601WI
Other002000113JHumana
Medicare UPIND16469
Medicaid1417901711WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Cronin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Mary Cronin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rheumatic Disease Center
9.3 mi
Rheumatology
7080 N PORT WASHINGTON RD
Glendale, WI 53217
  • Reassigned Medicare billing, Wisconsin enrollment
  • 12 clinicians in this Medicare group
NPI 1609812544 (414) 351-4009

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.

TRACY BLAIR WANDTKE HERRMANN APNP, CNM
Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-4777
DR. ZACHARY SMITH DO
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-6830
DR. COLLEEN ANN CROWE M.D., M.P.H.
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6469
ROBERTO MEJIAS APNP
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6600
MRS. ANNE E B LAKATOS APN-BC, APNP, RN
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6850
MRS. AMANDA M MANDERS APNP
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6850
KATHLEEN A WATERHOUSE-SKIBICKI CRNA
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-5951
ANDREA L BEQUEST PA
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-0350

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 Mary Cronin's NPI number?

The NPI number for Mary Cronin is 1417901711. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Mary Cronin located?

Mary Cronin practices at 9200 W Wisconsin Ave Division Of Rheumatology, Milwaukee, WI 53226. The listed phone number is (414) 805-6655.

What is Mary Cronin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Mary Cronin enrolled in Medicare?

Yes. Mary Cronin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Cronin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Cronin reassigns Medicare benefits to Rheumatic Disease Center (Glendale, WI). The 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 Mary Cronin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Cronin was last updated on July 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.