Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Louise Stepan Kiernan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1104289065

Mary Louise Stepan Kiernan, MD is an Obstetrics/Gynecology in Long Beach, California. Graduated from New York Medical College in 2016, 10 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Trained at
New York Medical College
Licensed in
CA
In the registry since
2016
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

3711 Long Beach Blvd Ste 700
Long Beach, CA 90807-3353
Phone: (562) 424-8422
Fax: (562) 424-8770
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A170051 (CA)

Record details

NPI number1104289065
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2016
Last updated in NPPESMarch 4, 2022
Certification dateMarch 4, 2022

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2016 (10 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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