Esther O. Oben
Internal Medicine Physician · Phoenix, AZ
Esther O. Oben is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1932500360, issued on Sep 4, 2014. Check the license (Arizona 73406, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Esther O. Oben
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 73406 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 350 W Thomas RD, Phoenix, AZ 85013
- Phone
- (602) 406-5590
- Enumerated
- Sep 4, 2014
- Record last updated
- Aug 5, 2025
- Fax
- (602) 406-7170
- Medicare enrollment
- Enrolled (PECOS I20240802002554); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 350 W Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn AbrahamSpeech-Language Pathologist1275811176
- Abdullah Abu KarInternal Medicine Physician1407239718
- Melanie Adarme Sanchez, MDStudent in an Organized Health Care Education/Training Program1780444257
- Christine Adham, DOAnesthesiology Physician1679953202
- Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
- Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065
Verify Esther O. Oben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 73406Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
172 Medicare Part D claims for 43 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate17 claims
- Lisinopril15 claims
- Atorvastatin Calcium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Aia Hospitalists LLCPhoenix, AZ
- Sjhmc Physician ServicesPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Esther O. Oben among 2,853 internal medicine physician records in Arizona
Esther O. Oben is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Benchwick, D.O.Phoenix, AZ 850131346220134
- James Blair, MDPhoenix, AZ 850131780631044
- Obinna Egbo, M.D.Phoenix, AZ 850131992768378
- Sonal Haerter, M.D.Phoenix, AZ 850131619980737
- Matthew Hemstreet, M.D.Phoenix, AZ 850131275553182
- Steve Ibrahim, D.O.Phoenix, AZ 850131174634547
- Jasmine Kelley, MDPhoenix, AZ 850131568444644
- Caroline Kim Kupfer, M.D.Phoenix, AZ 850131083643480
Common questions
What is Esther O. Oben's NPI number?
Esther O. Oben's National Provider Identifier (NPI) is 1932500360, issued on Sep 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Esther O. Oben located?
The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-5590. Providers update this record themselves, so call before visiting.
How can I verify Esther O. Oben's license?
NPPES lists Arizona license number 73406, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Esther O. Oben prescribe under Medicare Part D?
In 2024, Esther O. Oben had 172 Medicare Part D claims for 43 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.