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ALEXANDER ROBERT DRINNAN MD, MS
NPI 1598406225
Pediatrics in Oakland, CA

Active since April 05, 2022
747 52ND ST STE 245, OAKLAND, CA 94609(510) 428-3331 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: May 8, 2025, Apr 7, 2022 (2 updates tracked since 2022).

About Alexander Robert Drinnan Md, Ms NPPES

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

ALEXANDER ROBERT DRINNAN MD, MS (NPI 1598406225) is an individual pediatrics provider in Oakland, California, licensed in California (190204) and active in the NPI registry since April 2022.

NPPES Registry Identity

NPI1598406225
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameALEXANDER ROBERT DRINNANCredential: MD, MS
Location Address747 52ND ST STE 245Oakland, CA 94609-1809
Mailing Address747 52nd St Ste 245Oakland, CA 94609-1809 · (510) 428-3331
Phone(510) 428-3331
Sole ProprietorYes
Enumeration DateApril 5, 2022
Last NPPES UpdateMay 8, 20252 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1598406225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · 190204
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
747 52ND ST STE 245, Oakland, CA 94609
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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.

MARISELLA GARCIA MD
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331
BRADY DANA JOHNSON MD, MPHTM
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331
CORRILYNN LYNCH
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331
MOIRA K O'CONNOR LENTH MD
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331
MS. RUNI TANNA
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (000) 000-0000
SONIA SUBUDHI MD
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331
CHUKWUEMEKA OBIEFUNA AJAELO MD
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331
AMY MAO MD
Student in an Organized Health Care Education/Training Program
747 52ND ST STE 245
OAKLAND, CA 94609
Alameda County (510) 428-3331

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 Alexander Drinnan's NPI number?

The NPI number for Alexander Drinnan is 1598406225. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Alexander Drinnan located?

Alexander Drinnan practices at 747 52nd St Ste 245, Oakland, CA 94609. The listed phone number is (510) 428-3331.

What is Alexander Drinnan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Alexander Drinnan was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.