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NATALIE DIANNE MERCIER CRNA
NPI 1437722469
Nurse Anesthetist, Certified Registered in Green Bay, WI

Active since July 19, 2021PECOS EnrolledAccepts Medicare Assignment
744 S WEBSTER AVE, GREEN BAY, WI 54301(920) 433-3500 Get Directions Write a Review

NPPES record last updated: July 19, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Natalie Dianne Mercier Crna NPPES

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

NATALIE DIANNE MERCIER CRNA (NPI 1437722469) is an individual nurse anesthetist, certified registered in Green Bay, Wisconsin, licensed in Wisconsin (201108) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1437722469
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameNATALIE DIANNE MERCIERCredential: CRNA
Location Address744 S WEBSTER AVEGreen Bay, WI 54301-3505
Mailing AddressPo Box 22487Green Bay, WI 54305-2487 · (920) 445-7222 · Fax (920) 445-7289
Phone(920) 433-3500
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJuly 19, 2021
NPPES CertifiedJuly 19, 2021
✔ NPI 1437722469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in WI · 201108
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.
744 S WEBSTER AVE, Green Bay, WI 54301
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Other Names 1

Former Name (1)Natalie D Lloyd Rn

Other Identifiers 1

Other134237American Association Of Nurse Anesthestists

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Natalie Dianne Mercier 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 ID3173929189
PECOS Enrollment IDI20210831000029
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Natalie Mercier reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bellin Memorial Hospital Inc
Same address
Family Medicine
744 S WEBSTER AVE
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • 875 clinicians in this Medicare group
NPI 1033172390 (920) 445-7272
Green Bay Anesthesia Assoc. Sc
0.1 mi
Anesthesiology
835 S VAN BUREN ST
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • 129 clinicians in this Medicare group
NPI 1023065836 (920) 433-0111
Oconto Hospital & Medical Center Inc
24 mi
Rural Health
575 4TH ST
Kewaunee, WI 54216
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1881129351 (Wisconsin)
  • 573 clinicians in this Medicare group
NPI 1053279091 (920) 388-4640

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 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

Hospital Affiliations CMS Care Compare 2

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

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520049
Location744 S Webster AveGreen Bay, WI 54305 · Brown County
Emergency services Birthing friendly

St Mary's Hospital Medical Center

Acute Care Hospitals · Green Bay, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number520097
Location1726 Shawano AveGreen Bay, WI 54303 · Brown County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54301 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

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.

TAMMY ANN MOTQUIN
Nurse Practitioner (Family)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 445-7226
DR. PAMELA RANI SUD MD
Internal Medicine (Pulmonary Disease)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 433-7451
CALEY PETERS RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 431-5696
YONGSUB CHOI
Internal Medicine
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 433-3500
CORINNE ELIZABETH GEORGE APNP
Nurse Practitioner (Neonatal)
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 433-3500
STEVEN THANH HO CAA
Anesthesiologist Assistant
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 433-3605
JAMIE LYNN MOSUPYE O.T.
Occupational Therapist
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 433-7823
MIRANDA MARIE HINTZ APNP
Nurse Practitioner
744 S WEBSTER AVE
GREEN BAY, WI 54301
Brown County (920) 433-7457

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 Natalie Mercier's NPI number?

The NPI number for Natalie Mercier is 1437722469. It was assigned to this individual provider in the NPPES registry on July 19, 2021. The provider is also known as Natalie D Lloyd Rn.

Where is Natalie Mercier located?

Natalie Mercier practices at 744 S Webster Ave, Green Bay, WI 54301. The listed phone number is (920) 433-3500.

What is Natalie Mercier's specialty?

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

Is Natalie Mercier enrolled in Medicare?

Yes. Natalie Mercier 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 Natalie Mercier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Mercier reassigns Medicare benefits to 3 organizations: Bellin Memorial Hospital Inc (Green Bay, WI), Green Bay Anesthesia Assoc. Sc (Green Bay, WI) and Oconto Hospital & Medical Center Inc (Kewaunee, WI). 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 Natalie Mercier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Natalie Mercier accept?

Health plans from CareSource (Common Ground Healthcare) list Natalie Mercier 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 Natalie Mercier affiliated with any hospitals?

According to CMS data, Natalie Mercier is affiliated with Bellin Memorial Hospital and St Mary's Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Natalie Mercier was last updated on July 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.