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

MARIE E OBERST D.O.
NPI 1235549197
Family Medicine in Phoenix, AZ

Active since April 30, 2014PECOS Enrolled
33 W TAMARISK ST, PHOENIX, AZ 85041(833) 855-9973(602) 655-9660 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 20, 2026, Mar 25, 2021, Nov 18, 2020 and 4 more (7 updates tracked since 2017).

About Marie E Oberst D.o. NPPES

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

MARIE E OBERST D.O. (NPI 1235549197) is an individual family medicine provider in Phoenix, Arizona, licensed in Arizona (007240) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2014).

NPPES Registry Identity

NPI1235549197
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARIE E OBERSTCredential: D.O.
Location Address33 W TAMARISK STPhoenix, AZ 85041-2422
Mailing Address8088 W Whitney DrPeoria, AZ 85345-6564
Fax(602) 655-9660
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2014
Enumeration DateApril 30, 2014
Last NPPES UpdateAugust 20, 20267 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
NPI 1235549197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in AZ · 007240 Licensed in IA · DO-05384
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 007240 (AZ)
Also ListedHospitalistTaxonomy 208M00000X · License 007240 (AZ)
33 W TAMARISK ST, Phoenix, AZ 85041

Secondary Practice Locations 3

Location 1200 Hawkins DrIowa City, IA 52242-1009 · Phone (319) 356-1616
Location 2920 E 2nd Ave Ste 201A&bCoralville, IA 52241-2219 · Phone (319) 467-2000 · Fax (319) 467-2410
Location 32927 N 7th AvePhoenix, AZ 85013-4102 · Phone (602) 406-3152 · Fax (602) 200-6359

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

Marie E Oberst D.o. 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 ID9133498827
PECOS Enrollment IDI20170712001871
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
38 services15 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.
19 services18 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
14 services11 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85041 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 15

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

Family Medicine
33 W TAMARISK ST
PHOENIX, AZ 85041
Family Medicine
33 W TAMARISK ST
PHOENIX, AZ 85041
Pharmacy (Community/Retail Pharmacy)
33 W TAMARISK ST
PHOENIX, AZ 85041
Internal Medicine
33 W TAMARISK ST
PHOENIX, AZ 85041
Family Medicine
33 W TAMARISK ST
PHOENIX, AZ 85041
Clinic/Center (Federally Qualified Health Center (FQHC))
33 W TAMARISK ST
PHOENIX, AZ 85041
Social Worker (Clinical)
33 W TAMARISK ST
PHOENIX, AZ 85041
Internal Medicine
33 W TAMARISK ST
PHOENIX, AZ 85041

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 Marie Oberst's NPI number?

The NPI number for Marie Oberst is 1235549197. It was assigned to this individual provider in the NPPES registry on April 30, 2014.

Where is Marie Oberst located?

Marie Oberst practices at 33 W Tamarisk St, Phoenix, AZ 85041. The listed phone number is (833) 855-9973.

What is Marie Oberst's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Marie Oberst enrolled in Medicare?

Yes. Marie Oberst 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 Marie Oberst accept?

Health plans from Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Marie Oberst 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 Marie Oberst was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.