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DR. GREGORY ALAN WOLFF MD
NPI 1356513006
Anesthesiology in Waukesha, WI

Active since April 01, 2008PECOS EnrolledAccepts Medicare Assignment
725 AMERICAN AVE, WAUKESHA, WI 53188(262) 928-1000 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 12, 2025, Dec 29, 2021 (2 updates tracked since 2021).

About Dr. Gregory Alan Wolff Md NPPES

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

DR. GREGORY ALAN WOLFF MD (NPI 1356513006) is an individual anesthesiology provider in Waukesha, Wisconsin, licensed in Wisconsin (57318-20) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2007).

NPPES Registry Identity

NPI1356513006
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. GREGORY ALAN WOLFFCredential: MD
Location Address725 AMERICAN AVEWaukesha, WI 53188-5031
Mailing Address14550 Ridgemoor DrElm Grove, WI 53122-1130
Phone(262) 928-1000
Sole ProprietorYes
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2007
Enumeration DateApril 1, 2008
Last NPPES UpdateJune 12, 20252 updates tracked since enumeration
NPPES CertifiedJune 12, 2025
✔ NPI 1356513006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in WI · 57318-20✔ Licensed in CO · 49740✔ Licensed in CO · 2549
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.
725 AMERICAN AVE, Waukesha, WI 53188
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Other Identifiers 2

Medicaid28203330CO
Other022266CO · Kaiser Commercial Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Network Health.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. Gregory Alan Wolff 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 ID2860666351
PECOS Enrollment IDI20130601000046
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.

Areas of Expertise CMS Part B claims 5

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 large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
15 services15 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
15 services15 patients
Anesthesia for x-ray on artery of brain, heart, or chest 01926
Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.
12 services12 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
11 services11 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520062
Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
100%150 patients5/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
10%218 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

MS. NATASHA JEAN PINKERTON LCSW
Social Worker (Clinical)
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (262) 928-1000
DR. FRANCISCO PEREZ M.D.
Anesthesiology
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (262) 544-2011
ANNETTE QUINN NP
Nurse Practitioner (Obstetrics & Gynecology)
725 AMERICAN AVE, PROHEALTH CARE WOMEN'S CENTER
WAUKESHA, WI 53188
Waukesha County (262) 928-3500
ELIZABETH ROSE LEMM PA-C
Physician Assistant
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (262) 928-1000
DR. JASON GEORGE ULRICHS M.D.
Anesthesiology
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (262) 787-6700
DAWN MICHELLE GOODREAU NNP-BC, APNP
Nurse Practitioner (Neonatal)
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (210) 685-0887
KAYLA DAVIS APNP
Nurse Practitioner (Acute Care)
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (262) 928-1000
DR. ALYSSA JELINEK
Nurse Practitioner (Neonatal)
725 AMERICAN AVE
WAUKESHA, WI 53188
Waukesha County (262) 928-1000

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 Gregory Wolff's NPI number?

The NPI number for Gregory Wolff is 1356513006. It was assigned to this individual provider in the NPPES registry on April 1, 2008.

Where is Gregory Wolff located?

Gregory Wolff practices at 725 American Ave, Waukesha, WI 53188. The listed phone number is (262) 928-1000.

What is Gregory Wolff's specialty?

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

Is Gregory Wolff enrolled in Medicare?

Yes. Gregory Wolff 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 Gregory Wolff accept?

Health plans from CareSource (Common Ground Healthcare) and Network Health list Gregory Wolff 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 Gregory Wolff affiliated with any hospitals?

According to CMS data, Gregory Wolff is affiliated with Waukesha Memorial Hospital and Oconomowoc Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Wolff was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.