1. Home
  2. Directory
  3. Arizona
  4. Phoenix
  5. Internal Medicine
  6. NPI Profile

ESTHER O OBEN
NPI 1932500360
Internal Medicine in Phoenix, AZ

Active since September 04, 2014PECOS EnrolledAccepts Medicare Assignment
350 W THOMAS RD, PHOENIX, AZ 85013(602) 406-5590(602) 406-7170 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2025, Dec 17, 2024, Nov 4, 2024 and 3 more (6 updates tracked since 2021).

About Esther O Oben NPPES

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

ESTHER O OBEN (NPI 1932500360) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (73406) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1932500360
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameESTHER O OBEN
Location Address350 W THOMAS RDPhoenix, AZ 85013-4409
Mailing AddressPo Box 33269Phoenix, AZ 85067-3269 · (602) 406-4786 · Fax (916) 636-4358
Phone(602) 406-5590
Fax(602) 406-7170
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 4, 2014
Last NPPES UpdateAugust 5, 20256 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
✔ NPI 1932500360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 73406
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 73406 (AZ)
350 W THOMAS RD, Phoenix, AZ 85013
Open in Google Maps ↗

Secondary Practice Locations 3

Location 14530 E Muirwood Dr Ste 105Phoenix, AZ 85048-7693 · Phone (480) 961-2307 · Fax (480) 961-0419
Location 23555 S Val Vista DrGilbert, AZ 85297-7323 · Phone (602) 551-7387 · Fax (602) 698-0668
Location 31955 W Frye RdChandler, AZ 85224-6282 · Phone (480) 728-3000 · Fax (602) 798-0668

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, 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

Esther O Oben 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 ID7911444328
PECOS Enrollment IDI20240802002554
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 Esther Oben reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sjhmc Physician Services
0.1 mi
Multi-Specialty
350 W THOMAS RD
Phoenix, AZ 85013
  • Reassigned Medicare billing, Arizona enrollment
  • 773 clinicians in this Medicare group
NPI 1326098005 (602) 406-3729
District Medical Group, Inc
3.4 mi
Pulmonary Disease
2525 E ROOSEVELT ST, MED CLINIC - PULMONARY
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1700119815 (602) 344-1095
Aia Hospitalists LLC
13 mi
Internal Medicine
4530 E MUIRWOOD DR, SUITE 105
Phoenix, AZ 85048
  • Reassigned Medicare billing, Arizona enrollment
  • 67 clinicians in this Medicare group
NPI 1831166230 (480) 961-2307

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 2

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
28 services13 patients
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.
16 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85013 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
$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 20

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

DR. JASPREET SIAN M.D.
Student in an Organized Health Care Education/Training Program
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3540
DR. JACOB WESLEY SANDERS
Student in an Organized Health Care Education/Training Program
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-6262
SANFORD ORNSTEIN M.D.
Radiology (Diagnostic Radiology)
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
LINDLEY T BLISS MD
Hospitalist
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 615-5672
DR. TILINA N. HU MD
Radiology (Diagnostic Radiology)
350 W THOMAS RD, RADIOLOGY DEPARTMENT
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
JASON AARON BESTE M.D.
Hospitalist
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-5590
JOEL JAMES HAYDEN MD
Radiology (Diagnostic Radiology)
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
SARAH BAHSAS
Family Medicine
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3350

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 Esther Oben's NPI number?

The NPI number for Esther Oben is 1932500360. It was assigned to this individual provider in the NPPES registry on September 4, 2014.

Where is Esther Oben located?

Esther Oben practices at 350 W Thomas Rd, Phoenix, AZ 85013. The listed phone number is (602) 406-5590.

What is Esther Oben's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Esther Oben enrolled in Medicare?

Yes. Esther Oben 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 Esther Oben's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esther Oben reassigns Medicare benefits to 3 organizations: Sjhmc Physician Services (Phoenix, AZ), District Medical Group, Inc (Phoenix, AZ) and Aia Hospitalists LLC (Phoenix, AZ). 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 Esther Oben's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Esther Oben accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Esther Oben 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 Esther Oben was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.