Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. HOLLY CATHERINE GILLIS MD
NPI 1609119015
Anesthesiology - Pain Medicine in Milwaukee, WI

Q: What is Holly Gillis's NPI number?

The NPI number for Holly Gillis is 1609119015. It was assigned to this individual provider in the NPPES registry on April 3, 2013.

Q: What is Holly Gillis's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: When was this NPI record last updated?

The NPPES record for Holly Gillis was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.

Active since April 03, 2013PECOS EnrolledAccepts Medicare Assignment

9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-8700(414) 259-1522 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 9, 2026, Jul 1, 2025, May 7, 2025 and 3 more (6 updates tracked since 2016).

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About Dr. Holly Catherine Gillis Md NPPES

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

DR. HOLLY CATHERINE GILLIS MD (NPI 1609119015) is an individual pain medicine provider in Milwaukee, Wisconsin, licensed in Ohio (35.130748) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1609119015

Entity TypeIndividualFemale

Primary Taxonomy207LP2900X

Provider Legal NameDR. HOLLY CATHERINE GILLISCredential: MD

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 2013

Enumeration DateApril 3, 2013

Last NPPES UpdateSeptember 9, 20266 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2026

✔ NPI 1609119015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

License✔ Licensed in OH · 35.130748

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Also ListedAnesthesiologyTaxonomy 207L00000X · License 35.130748 (OH)

Also ListedAnesthesiology · Pediatric AnesthesiologyTaxonomy 207LP3000X · License 58934 (MN), 35.130748 (OH), 87705-020 (WI)

Also ListedPediatrics · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License 58934 (MN)

9200 W WISCONSIN AVE, Milwaukee, WI 53226

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Secondary Practice Locations 4

Location 1455 Executive Campus DrWesterville, OH 43082-8870 · Phone (614) 722-4200 · Fax (614) 722-4203

Location 2405 Butterfly Gardens DrColumbus, OH 43215-4985 · Phone (614) 722-4200 · Fax (614) 722-4203

Location 3700 Childrens DrColumbus, OH 43205-2664 · Phone (612) 365-2000

Location 42450 Riverside AveMinneapolis, MN 55454-1450 · Phone (608) 335-2086

Other Identifiers 2

Medicaid0112389OH

Medicaid1609119015WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Holly Catherine Gillis Md 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 ID7315243631

PECOS Enrollment IDI20240322002683

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.

Hospital Affiliations CMS Care Compare

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

M Health Fairview University Of Mn

Acute Care Hospitals · Minneapolis, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240080

Location2450 Riverside AvenueMinneapolis, MN 55454 · Hennepin 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 Holly Gillis's NPI number?

The NPI number for Holly Gillis is 1609119015. It was assigned to this individual provider in the NPPES registry on April 3, 2013.

Where is Holly Gillis located?

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

What is Holly Gillis's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Holly Gillis enrolled in Medicare?

Yes. Holly Gillis 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.

What insurance does Holly Gillis accept?

Health plans from CareSource, Medica and Sanford Health Plan list Holly Gillis 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 Holly Gillis affiliated with any hospitals?

According to CMS data, Holly Gillis is affiliated with M Health Fairview University Of Mn.

When was this NPI record last updated?

The NPPES record for Holly Gillis was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.