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

MS. SUSAN G O'BRIEN APN
NPI 1225388176
Nurse Practitioner in Phoenix, AZ

Active since September 18, 2012PECOS Enrolled
11209 N TATUM BLVD STE 255, PHOENIX, AZ 85028(602) 494-5050 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 3, 2026, Mar 24, 2021, Oct 31, 2019 (3 updates tracked since 2019).

About Ms. Susan G O'brien Apn NPPES

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

MS. SUSAN G O'BRIEN APN (NPI 1225388176) is an individual nurse practitioner in Phoenix, Arizona, licensed in Illinois (209005704) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with Adventist Hinsdale Hospital, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1225388176
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. SUSAN G O'BRIENCredential: APN
Location Address11209 N TATUM BLVD STE 255Phoenix, AZ 85028-6061
Mailing Address11209 N Tatum Blvd Ste 255Phoenix, AZ 85028-6025 · (602) 494-5050
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateSeptember 18, 2012
Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
NPI 1225388176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in IL · 209005704
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 041322316 (IL), 341302 (AZ)
11209 N TATUM BLVD STE 255, Phoenix, AZ 85028

Accepted 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

Ms. Susan G O'brien Apn 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 ID8628223765
PECOS Enrollment IDI20130221000366
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 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
19 services19 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services14 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140122
Location120 North Oak StHinsdale, IL 60521 · Du Page County
Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Uchicago Medicine Adventhealth Bolingbrook

Acute Care Hospitals · Bolingbrook, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140304
Location500 Remington BoulevardBolingbrook, IL 60440 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85028 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Women's Health)
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Obstetrics & Gynecology
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Nurse Practitioner (Women's Health)
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Nurse Practitioner (Women's Health)
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Nurse Practitioner (Women's Health)
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Nurse Practitioner (Women's Health)
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Nurse Practitioner (Women's Health)
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028
Obstetrics & Gynecology
11209 N TATUM BLVD STE 255
PHOENIX, AZ 85028

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 Susan O'brien's NPI number?

The NPI number for Susan O'brien is 1225388176. It was assigned to this individual provider in the NPPES registry on September 18, 2012.

Where is Susan O'brien located?

Susan O'brien practices at 11209 N Tatum Blvd Ste 255, Phoenix, AZ 85028. The listed phone number is (602) 494-5050.

What is Susan O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Susan O'brien enrolled in Medicare?

Yes. Susan O'brien 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 Susan O'brien accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Susan O'brien 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 Susan O'brien affiliated with any hospitals?

According to CMS data, Susan O'brien is affiliated with Adventist Hinsdale Hospital, Advocate Good Samaritan Hospital and Uchicago Medicine Adventhealth Bolingbrook.

When was this NPI record last updated?

The NPPES record for Susan O'brien was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.