PHILLIP GUILLIEN
NPI 1265999809
Nurse Anesthetist, Certified Registered in Dubuque, IA

Q: What is Phillip Guillien's NPI number?

The NPI number for Phillip Guillien is 1265999809. It was assigned to this individual provider in the NPPES registry on March 1, 2019.

Q: What is Phillip Guillien'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 Phillip Guillien was last updated on December 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 01, 2019PECOS EnrolledAccepts Medicare Assignment

350 N GRANDVIEW AVE, DUBUQUE, IA 52001(507) 459-2358 Get Directions Write a Review

NPPES record last updated: December 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Phillip Guillien NPPES

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

PHILLIP GUILLIEN (NPI 1265999809) is an individual nurse anesthetist, certified registered in Dubuque, Iowa, licensed in Iowa (123934) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Finley Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1265999809

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NamePHILLIP GUILLIEN

Location Address350 N GRANDVIEW AVEDubuque, IA 52001-6388

Mailing Address350 N Grandview AveDubuque, IA 52001-6388 · (507) 459-2358

Phone(507) 459-2358

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateMarch 1, 2019

Last NPPES UpdateDecember 1, 2023

NPPES CertifiedDecember 1, 2023

✔ NPI 1265999809 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 IA · 123934

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.

350 N GRANDVIEW AVE, Dubuque, IA 52001

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health 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

Phillip Guillien 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 ID5890020952

PECOS Enrollment IDI20190711000779, I20250509002979

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

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

Grandview Anesthesia PC

Same address

Nurse Anesthetist, Certified Registered

350 N GRANDVIEW AVE
Dubuque, IA 52001

Reassigned Medicare billing, Iowa and Wisconsin enrollments
19 clinicians in this Medicare group

NPI 1407458367 (507) 459-2358

Upper Mississippi Surgery Center, LLC

4.4 mi

Ambulatory Surgical

454 BADGER ROAD
Hazel Green, WI 53811

Reassigned Medicare billing, Wisconsin enrollment
5 clinicians in this Medicare group

NPI 1952153991 (608) 473-1700

Grant Regional Health Center, Inc

13 mi

Rural Health

114 US HIGHWAY 61 N
Potosi, WI 53820

Reassigned Medicare billing, Wisconsin enrollment
Also billed through NPI 1255339867 (Wisconsin)
53 clinicians in this Medicare group

NPI 1699724443 (608) 723-2131

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 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 lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

65 services60 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

31 services31 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.

20 services20 patients

Injection of anesthetic agent and/or steroid into other nerve or branch 64450

This procedure involves injecting an anesthetic agent or steroid into a specific nerve or its branch. The goal is to relieve pain by reducing inflammation and numbing the area. It is commonly used for chronic pain management. The process is safe and usually quick.

20 services20 patients

Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415

This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

Finley Hospital

Acute Care Hospitals · Dubuque, IA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160117

Location350 North Grandview AvenueDubuque, IA 52001 · Dubuque County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52001 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

$122.23 typical visit price

range $52.96 – $161.40

Typical copayment $30.55 (range $13.24 – $40.35)

Most-billed visit code 99204

Established Patient

$66.36 typical visit price

range $16.91 – $131.98

Typical copayment $16.59 (range $4.22 – $32.99)

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.

DR. EDWARD JAMES HANNON M.D.

Radiology (Diagnostic Radiology)