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

DR. ERIK GUNNAR BERGERSEN M.D.
NPI 1649666751
Anesthesiology in Milwaukee, WI

Active since April 15, 2015PECOS Enrolled
2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 649-6000 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 17, 2026, Nov 22, 2021, Aug 31, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Erik Gunnar Bergersen M.d. NPPES

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

DR. ERIK GUNNAR BERGERSEN M.D. (NPI 1649666751) is an individual anesthesiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (73077) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Cleveland.

NPPES Registry Identity

NPI1649666751
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ERIK GUNNAR BERGERSENCredential: M.D.
Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215-4330
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(414) 649-6000
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2014
Enumeration DateApril 15, 2015
Last NPPES UpdateJuly 17, 20264 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1649666751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 73077
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.
2900 W OKLAHOMA AVE, Milwaukee, WI 53215
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Secondary Practice Location 1

Location 111100 Euclid AveCleveland, OH 44106-1716 · Phone (262) 510-6316

Other Identifiers 1

Medicaid100101555WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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. Erik Gunnar Bergersen M.d. 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 ID9638470388
PECOS Enrollment IDI20200716001576
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 2

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.

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.
17 services17 patients
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.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520139
Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee 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.

MUHAMMAD AKBAR MD LLC
Clinic/Center (Primary Care)
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 365-3210
DR. JEFFREY T LYVERS M.D.
Anesthesiology
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
JESSICA MCDOWELL
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-5279
MARA STASIK PA-C
Physician Assistant
2900 W OKLAHOMA AVE, 5TH FLOOR GALLERIA
MILWAUKEE, WI 53215
Milwaukee County (414) 646-2550
SARAH J PARVE NP
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
DR. RILEY MARINELLI PT, DPT
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6011
ASHLEY MARIE ALTER PHARMD
Pharmacist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6930
DR. LAUREL THOME DPT
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6220

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 Erik Bergersen's NPI number?

The NPI number for Erik Bergersen is 1649666751. It was assigned to this individual provider in the NPPES registry on April 15, 2015.

Where is Erik Bergersen located?

Erik Bergersen practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6000.

What is Erik Bergersen's specialty?

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

Is Erik Bergersen enrolled in Medicare?

Yes. Erik Bergersen 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 Erik Bergersen accept?

Health plans from CareSource (Common Ground Healthcare) list Erik Bergersen 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 Erik Bergersen affiliated with any hospitals?

According to CMS data, Erik Bergersen is affiliated with Aurora St Lukes Medical Center and West Allis Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Erik Bergersen was last updated on July 17, 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.