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MR. LOUIE ZHOU AA
NPI 1720467533
Anesthesiologist Assistant in Milwaukee, WI

Active since May 26, 2015Accepts Medicare Assignment
9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-8700(414) 259-1522 Get Directions Write a Review

NPPES record last updated: March 19, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 19, 2020, Feb 15, 2018 (2 updates tracked since 2018).

About Mr. Louie Zhou Aa NPPES

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

MR. LOUIE ZHOU AA (NPI 1720467533) is an individual anesthesiologist assistant in Milwaukee, Wisconsin, licensed in Wisconsin (139) and active in the NPI registry since May 2015. He is affiliated with Northwest Health - Porter, maintains 6 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1720467533
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameMR. LOUIE ZHOUCredential: AA
Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-8700 · Fax (414) 259-1522
Phone(414) 805-8700
Fax(414) 259-1522
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 26, 2015
Last NPPES UpdateMarch 19, 20202 updates tracked since enumeration
NPPES CertifiedMarch 19, 2020
✔ NPI 1720467533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in WI · 139
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
9200 W WISCONSIN AVE, Milwaukee, WI 53226
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Secondary Practice Locations 6

Location 15000 W Chambers StMilwaukee, WI 53210-1650 · Phone (414) 447-2000
Location 21000 E Primrose St # 520Springfield, MO 65807 · Phone (417) 269-4550
Location 39000 W Wisconsin AveMilwaukee, WI 53226-4874 · Phone (414) 805-3666
Location 4W180N8085 Town Hall RdMenomonee Falls, WI 53051-3518 · Phone (262) 257-5100 · Fax (262) 518-5052
Location 5840 N 87th StMilwaukee, WI 53226-3586 · Phone (414) 805-9500 · Fax (414) 805-7878
Location 6W180N8045 Town Hall RdMenomonee Falls, WI 53051-3518 · Phone (262) 250-0950 · Fax (262) 250-0955

Other Identifiers 1

Medicaid1720467533WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Mr. Louie Zhou Aa 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 ID7012227614
PECOS Enrollment IDI20190723000601

Medicare Billing Reassignments

5

Medicare enrollment records show Louie Zhou reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

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
Redreef Anesthesia Associates Chartered Indiana LLC
105 mi
Anesthesiology
600 GRANT ST
Gary, IN 46402
  • Reassigned Medicare billing, Indiana enrollment
  • 55 clinicians in this Medicare group
NPI 1215783766 (888) 851-4642
Porter County Anesthesia Associates PC
120 mi
Anesthesiology
85 E US HIGHWAY 6
Valparaiso, IN 46383
  • Reassigned Medicare billing, Indiana enrollment
  • 55 clinicians in this Medicare group
NPI 1215974936 (219) 983-5743
Ozark Anesthesia Associates, Inc.
492 mi
Anesthesiology
1000 E PRIMROSE ST STE 520
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 105 clinicians in this Medicare group
NPI 1831109586 (417) 269-4550
Anesthesia Dynamics LLC
1,114 mi
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Indiana enrollment
  • 157 clinicians in this Medicare group
NPI 1073001012 (888) 851-4642

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
20 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwest Health - Porter

Acute Care Hospitals · Valparaiso, IN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number150035
Location85 East Us Hwy 6Valparaiso, IN 46383 · Porter County
Emergency services Birthing friendly

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 Louie Zhou's NPI number?

The NPI number for Louie Zhou is 1720467533. It was assigned to this individual provider in the NPPES registry on May 26, 2015.

Where is Louie Zhou located?

Louie Zhou practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-8700.

What is Louie Zhou's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Louie Zhou enrolled in Medicare?

Yes. Louie Zhou 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 Louie Zhou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louie Zhou reassigns Medicare benefits to 5 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Redreef Anesthesia Associates Chartered Indiana LLC (Gary, IN), Porter County Anesthesia Associates PC (Valparaiso, IN), Ozark Anesthesia Associates, Inc. (Springfield, MO) and Anesthesia Dynamics LLC (Bradenton, FL). 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 Louie Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Louie Zhou accept?

Health plans from Anthem Blue Cross and Blue Shield list Louie Zhou 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 Louie Zhou affiliated with any hospitals?

According to CMS data, Louie Zhou is affiliated with Northwest Health - Porter.

When was this NPI record last updated?

The NPPES record for Louie Zhou was last updated on March 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.