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

DR. MARY TALLMADGE JACKSON M.D.
NPI 1043296882
Obstetrics & Gynecology in Arroyo Grande, CA

Active since December 22, 2005
120 CORBETT CANYON RD, ARROYO GRANDE, CA 93420(805) 459-0529(805) 474-8555 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Feb 16, 2016 (2 updates tracked since 2016).

About Dr. Mary Tallmadge Jackson M.d. NPPES

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

DR. MARY TALLMADGE JACKSON M.D. (NPI 1043296882) is an individual obstetrics & gynecology provider in Arroyo Grande, California, licensed in California (G56252) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1043296882
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARY TALLMADGE JACKSONCredential: M.D.
Location Address120 CORBETT CANYON RDArroyo Grande, CA 93420-5151
Mailing Address120 Corbett Canyon RdArroyo Grande, CA 93420-5151 · (805) 474-8518 · Fax (805) 474-8555
Phone(805) 459-0529
Fax(805) 474-8555
Sole ProprietorNo
Enumeration DateDecember 22, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1043296882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CA · G56252✔ Licensed in HI · 6198
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
120 CORBETT CANYON RD, Arroyo Grande, CA 93420
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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 Mary Jackson's NPI number?

The NPI number for Mary Jackson is 1043296882. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Mary Jackson located?

Mary Jackson practices at 120 Corbett Canyon Rd, Arroyo Grande, CA 93420. The listed phone number is (805) 459-0529.

What is Mary Jackson's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Mary Jackson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.