MARSHALL BARR BERGEN CRNA
NPI 1003578568
Nurse Anesthetist, Certified Registered in Phoenix, AZ

Q: What is Marshall Bergen's NPI number?

The NPI number for Marshall Bergen is 1003578568. It was assigned to this individual provider in the NPPES registry on October 12, 2021.

Q: What is Marshall Bergen's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Marshall Bergen was last updated on February 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since October 12, 2021Accepts Medicare Assignment

69.44/100

CMS Quality Rating

4605 E ELWOOD ST STE 500, PHOENIX, AZ 85040(480) 256-1518(480) 304-3446 Get Directions Write a Review

NPPES record last updated: February 17, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 17, 2022, Oct 13, 2021 (2 updates tracked since 2021).

On this page

About Marshall Barr Bergen Crna NPPES

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

MARSHALL BARR BERGEN CRNA (NPI 1003578568) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in Arizona (269219) and active in the NPI registry since October 2021. He is a graduate of Other (2016).

NPPES Registry Identity

NPI1003578568

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameMARSHALL BARR BERGENCredential: CRNA

Location Address4605 E ELWOOD ST STE 500Phoenix, AZ 85040-1978

Mailing Address1526 E Beacon DrGilbert, AZ 85234-2674 · (480) 282-2011

Phone(480) 256-1518

Fax(480) 304-3446

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateOctober 12, 2021

Last NPPES UpdateFebruary 17, 20222 updates tracked since enumeration

NPPES CertifiedFebruary 17, 2022

✔ NPI 1003578568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in AZ · 269219

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

Also ListedRegistered NurseTaxonomy 163W00000X · License RN192249 (AZ)

4605 E ELWOOD ST STE 500, Phoenix, AZ 85040

Open in Google Maps ↗

Other Identifiers 1

Other269219AZ · Arizona Nursing Board

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health, Oscar Health Plan, Inc. and more.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

Marshall Barr Bergen Crna 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 ID8426435652

PECOS Enrollment IDI20220510000365

Medicare Billing Reassignments

Medicare enrollment records show Marshall Bergen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Meta Anesthesia

8.7 mi

Nurse Anesthetist, Certified Registered

20 W 1ST ST STE 201
Mesa, AZ 85201

Reassigned Medicare billing, Arizona enrollment
15 clinicians in this Medicare group

NPI 1578352936 (480) 874-7014

Mb Anesthesiology LLC

8.8 mi

Nurse Anesthetist, Certified Registered

20 W 1ST ST STE 201
Mesa, AZ 85201

Reassigned Medicare billing, Arizona enrollment

NPI 1003640442 (480) 874-7014

Copper Star Anesthesia, LLC

10 mi

Anesthesiology

7600 N 15TH ST STE 290
Phoenix, AZ 85020

Reassigned Medicare billing, Arizona enrollment
4 clinicians in this Medicare group

NPI 1376290007 (602) 395-0718

Ascend Anesthesia LLC

14 mi

Nurse Anesthetist, Certified Registered

4620 E BASELINE RD
Mesa, AZ 85206

Reassigned Medicare billing, Arizona enrollment
298 clinicians in this Medicare group

NPI 1407642945 (623) 320-0660

Summit Anesthesia Services PLLC

16 mi

Nurse Anesthetist, Certified Registered

3929 E BELL RD
Phoenix, AZ 85032

Reassigned Medicare billing, Arizona enrollment
182 clinicians in this Medicare group

NPI 1821589144 (602) 923-5000

Summit Anesthesia Partners

16 mi

Nurse Anesthetist, Certified Registered

3929 E BELL RD
Phoenix, AZ 85032

Reassigned Medicare billing, Arizona enrollment
65 clinicians in this Medicare group

NPI 1568005221 (602) 923-5000

Greater Anesthesia Solutions

19 mi

Anesthesiology

10720 W INDIAN SCHOOL RD STE 19-1039
Phoenix, AZ 85037

Reassigned Medicare billing, Arizona enrollment
423 clinicians in this Medicare group

NPI 1124430244 (480) 977-9559

Anesthesia Partners Of Arizona LLC

884 mi

Anesthesiology

2221 LAKESIDE BLVD STE 600
Richardson, TX 75082

Reassigned Medicare billing, Arizona enrollment
390 clinicians in this Medicare group

NPI 1619452901 (855) 285-2455

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 7

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.

30 services30 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

21 services21 patients

Anesthesia for other procedure on lower abdomen 00840

Anesthesia for a lower abdomen procedure involves medication to eliminate pain during surgery. You might be awake but relaxed and pain-free, or you may be completely unconscious. It's administered to ensure comfort and safety throughout the operation.

17 services16 patients

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.

13 services13 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.

12 services11 patients

Anesthesia for other closed procedure on chest 00520

Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

69.44/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.33

Improvement Activities

Cost

69.53

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.

DOUGLAS G BUFKIN CRNA

Nurse Anesthetist, Certified Registered

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (602) 200-9021

NUPUR DUA MD, MBBS

Anesthesiology

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (602) 200-9021

DR. JUSTIN BEITEL M.D.

Anesthesiology

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (407) 985-9389

JESSE G LOPEZ MD

Anesthesiology

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (602) 200-9021

DIEGO SAENZ

Nurse Anesthetist, Certified Registered

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (480) 256-1518

ALEXIS SCHMID CRNA

Nurse Anesthetist, Certified Registered

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (480) 256-1518

ENRIQUE HERNANDEZ

Nurse Anesthetist, Certified Registered

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (602) 200-9021

MICHAEL RAYMOND STEARNS MD

Anesthesiology

4605 E ELWOOD ST STE 500
PHOENIX, AZ 85040

Maricopa County (602) 200-9021

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 Marshall Bergen's NPI number?

The NPI number for Marshall Bergen is 1003578568. It was assigned to this individual provider in the NPPES registry on October 12, 2021.

Where is Marshall Bergen located?

Marshall Bergen practices at 4605 E Elwood St Ste 500, Phoenix, AZ 85040. The listed phone number is (480) 256-1518.

What is Marshall Bergen's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Marshall Bergen enrolled in Medicare?

Yes. Marshall Bergen 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 Marshall Bergen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Bergen reassigns Medicare benefits to 8 organizations: Meta Anesthesia (Mesa, AZ), Mb Anesthesiology LLC (Mesa, AZ), Copper Star Anesthesia, LLC (Phoenix, AZ), Ascend Anesthesia LLC (Mesa, AZ), Summit Anesthesia Services PLLC (Phoenix, AZ) and 3 more organizations, listed in the Medicare section above. 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 Marshall Bergen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marshall Bergen accept?

Health plans from Blue Cross Blue Shield of Arizona, Oscar Health, Oscar Health Plan, Inc. and Oscar Insurance Company list Marshall Bergen 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.

When was this NPI record last updated?

The NPPES record for Marshall Bergen was last updated on February 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.