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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN ROWE HALLSTEN MD
NPI 1821679077
Surgery - Vascular Surgery in La Jolla, CA

Active since April 19, 2021
9500 GILMAN DR, LA JOLLA, CA 92093(858) 657-7404 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 23, 2026, Apr 19, 2021 (2 updates tracked since 2021).

About John Rowe Hallsten Md NPPES

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

JOHN ROWE HALLSTEN MD (NPI 1821679077) is an individual vascular surgery provider in La Jolla, California, licensed in California (A199281) and active in the NPI registry since April 2021. He maintains a secondary practice location in La Mesa.

NPPES Registry Identity

NPI1821679077
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameJOHN ROWE HALLSTENCredential: MD
Location Address9500 GILMAN DRLa Jolla, CA 92093-5004
Mailing Address3721 Balboa Ter Unit ASan Diego, CA 92117-5470 · (916) 915-2226
Phone(858) 657-7404
Sole ProprietorNo
Enumeration DateApril 19, 2021
Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1821679077 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License✔ Licensed in CA · A199281
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
9500 GILMAN DR, La Jolla, CA 92093
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Secondary Practice Location 1

Location 18860 Center Dr Ste 450LA Mesa, CA 91942-7001 · Phone (619) 460-6200

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.

DR. LEE LE WANG M.D.
Radiology (Diagnostic Radiology)
9500 GILMAN DR
LA JOLLA, CA 92093
San Diego County (858) 534-3880
BONNIE SUSAN OMEARA NP
Nurse Practitioner (Adult Health)
9500 GILMAN DR
LA JOLLA, CA 92093
San Diego County (858) 534-3300
ELKA RUBIN MD
Radiology (Diagnostic Radiology)
9500 GILMAN DR
LA JOLLA, CA 92093
San Diego County (858) 534-2230
DR. ROBERT J PARMER M.D.
Internal Medicine
9500 GILMAN DR, MAIL CODE 9111-H
LA JOLLA, CA 92093
San Diego County (858) 552-8585
ANGELA R ACFALLE NP CNS
Nurse Practitioner (Adult Health)
9500 GILMAN DR, # 0039
LA JOLLA, CA 92093
San Diego County (858) 534-2918
BRITNIE PRIEST MAT, ATC, LAT
Specialist/Technologist (Athletic Trainer)
9500 GILMAN DR, MC0529
LA JOLLA, CA 92093
San Diego County (858) 822-6747
CHRISTOPHER MONGLIN LIU
Orthopaedic Surgery
9500 GILMAN DR
LA JOLLA, CA 92093
San Diego County (571) 721-9812
GLORIA LIN
Student in an Organized Health Care Education/Training Program
9500 GILMAN DR
LA JOLLA, CA 92093
San Diego County (858) 657-8803

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 John Hallsten's NPI number?

The NPI number for John Hallsten is 1821679077. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is John Hallsten located?

John Hallsten practices at 9500 Gilman Dr, La Jolla, CA 92093. The listed phone number is (858) 657-7404.

What is John Hallsten's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

When was this NPI record last updated?

The NPPES record for John Hallsten was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.