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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

TEPPEI MASUNAGA
NPI 1720985963
Internal Medicine - Gastroenterology in La Jolla, CA

Active since October 21, 2026
9350 CAMPUS POINT DR, LA JOLLA, CA 92037(619) 543-2347 Get Directions Write a Review

NPPES record added: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Teppei Masunaga NPPES

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

TEPPEI MASUNAGA (NPI 1720985963) is an individual gastroenterology provider in La Jolla, California, licensed in California (1004) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1720985963
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTEPPEI MASUNAGA
Location Address9350 CAMPUS POINT DRLa Jolla, CA 92037-1300
Mailing Address9500 Gilman DrLa Jolla, CA 92093-0956
Phone(619) 543-2347
Sole ProprietorNo
Enumeration DateOctober 21, 2026
NPPES CertifiedOctober 21, 2026
✔ NPI 1720985963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · 1004
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
9350 CAMPUS POINT DR, La Jolla, CA 92037
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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.

ARTHUR SHEN PHARMD
Pharmacist (Pharmacotherapy)
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (858) 657-8512
ERIN ANDREA GROSS M.D.
Obstetrics & Gynecology
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (800) 926-8273
DR. DOUGLAS ANDREW WOELKERS M.D.
Obstetrics & Gynecology (Obstetrics)
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (800) 926-8273
EMILY SERENO AUD
Audiologist
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (800) 926-8273
NEIL J. FARBER MD
Internal Medicine
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (858) 657-6946
MICHELLE ANN GARCIA CACHO PT
Physical Therapist
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (800) 926-8273
MR. KENNETH NICHOLAS HALTER II PA-C
Physician Assistant
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (858) 657-6035
DR. CLAUDIA BRITTNEY DZIEGIELEWSKI MD
Internal Medicine (Gastroenterology)
9350 CAMPUS POINT DR
LA JOLLA, CA 92037
San Diego County (858) 657-7000

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 Teppei Masunaga's NPI number?

The NPI number for Teppei Masunaga is 1720985963. It was assigned to this individual provider in the NPPES registry on October 21, 2026.

Where is Teppei Masunaga located?

Teppei Masunaga practices at 9350 Campus Point Dr, La Jolla, CA 92037. The listed phone number is (619) 543-2347.

What is Teppei Masunaga's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Teppei Masunaga was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.