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DR. CHRISTINA D DIAZ M.D.
NPI 1013004779
Anesthesiology in Milwaukee, WI

Active since October 06, 2006PECOS Enrolled
9200 W WISCONSIN AVE, DEPARTMENT OF ANESTHESIOLOGY, MILWAUKEE, WI 53226(414) 805-8700(414) 259-1522 Get Directions Write a Review

NPPES record last updated: April 23, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Christina D Diaz M.d. NPPES

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

DR. CHRISTINA D DIAZ M.D. (NPI 1013004779) is an individual anesthesiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (47525) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1013004779
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. CHRISTINA D DIAZCredential: M.D.
Location Address9200 W WISCONSIN AVE, DEPARTMENT OF ANESTHESIOLOGYMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin Ave, Department Of AnesthesiologyMilwaukee, WI 53226-3522 · (414) 805-8700 · Fax (414) 259-1522
Phone(414) 805-8700
Fax(414) 259-1522
Sole ProprietorNo
Enumeration DateOctober 6, 2006
Last NPPES UpdateApril 23, 2024
NPPES CertifiedApril 23, 2024
✔ NPI 1013004779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 47525
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
9200 W WISCONSIN AVE, Milwaukee, WI 53226
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Secondary Practice Location 1

Location 19000 W Wisconsin AveMilwaukee, WI 53226-4874 · Phone (414) 266-3560 · Fax (414) 266-6092

Other Identifiers 1

Medicaid1013004779WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Christina D Diaz M.d. 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 Reassignments

3

Medicare enrollment records show Christina Diaz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Specialty Group, Inc.
0.4 mi
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
NPI 1942970405 (414) 266-2000
The Medical College Of Wisconsin, Inc.
0.5 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101
Lurie Children's Medical Group Inc
82 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Christina Diaz's NPI number?

The NPI number for Christina Diaz is 1013004779. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Christina Diaz located?

Christina Diaz practices at 9200 W Wisconsin Ave Department Of Anesthesiology, Milwaukee, WI 53226. The listed phone number is (414) 805-8700.

What is Christina Diaz's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Christina Diaz enrolled in Medicare?

Yes. Christina Diaz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christina Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Diaz reassigns Medicare benefits to 3 organizations: Children's Specialty Group, Inc. (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Lurie Children's Medical Group Inc (Chicago, IL). 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 Christina Diaz'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 Christina Diaz was last updated on April 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.