Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Karen Ellis Estrada-Stephen, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1750812590

Dr. Karen Ellis Estrada-Stephen, MD is an Obstetrics/Gynecology in Gilbert, Arizona. Graduated from University of Wisconsin School of Medicine in 2017, 9 years ago. Practices with Arizona OB GYN Affiliates PC, a 121-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
9
Trained at
University of Wisconsin School of Medicine
Licensed in
AZ
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3370 S Mercy Rd Ste 314
Gilbert, AZ 85297-0417
Phone: (480) 782-0993
Fax: (833) 337-0386
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 22711 S Ellsworth Rd Ste 104, Queen Creek, AZ 85142-6789 — (480) 782-0993

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 63168 (AZ)

Record details

NPI number1750812590
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2017
Last updated in NPPESApril 22, 2026
Certification dateApril 22, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Arizona Ob Gyn Affiliates Pc — 121 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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