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JOHN GINHSUN WEAR
NPI 1255080198
Internal Medicine in San Marino, CA

Active since March 19, 2022PECOS EnrolledAccepts Medicare Assignment
375 HUNTINGTON DR STE G, SAN MARINO, CA 91108(626) 441-4231 Get Directions Write a Review

NPPES record last updated: July 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 4, 2025, Jul 25, 2022 (2 updates tracked since 2022).

About John Ginhsun Wear NPPES

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

JOHN GINHSUN WEAR (NPI 1255080198) is an individual internal medicine provider in San Marino, California, licensed in California (20A21491) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Pasadena, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1255080198
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN GINHSUN WEAR
Location Address375 HUNTINGTON DR STE GSan Marino, CA 91108-2357
Mailing Address375 Huntington Dr Ste GSan Marino, CA 91108-2357
Phone(626) 441-4231
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 19, 2022
Last NPPES UpdateJuly 4, 20252 updates tracked since enumeration
NPPES CertifiedJuly 4, 2025
✔ NPI 1255080198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A21491
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
375 HUNTINGTON DR STE G, San Marino, CA 91108
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Secondary Practice Location 1

Location 165 N Madison Ave Ste 800Pasadena, CA 91101-2038 · Phone (626) 792-3141

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John Ginhsun Wear is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749791614
PECOS Enrollment IDI20250617003016
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YA-GIN HANNA HUANG MD
Internal Medicine
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231
DEREK CHEUNG MD
Internal Medicine
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231
JENNIFER OH NP
Nurse Practitioner (Family)
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231
DR. SONYA M EHRESMANN M.D.
Internal Medicine
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231

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 Wear's NPI number?

The NPI number for John Wear is 1255080198. It was assigned to this individual provider in the NPPES registry on March 19, 2022.

Where is John Wear located?

John Wear practices at 375 Huntington Dr Ste G, San Marino, CA 91108. The listed phone number is (626) 441-4231.

What is John Wear's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Wear enrolled in Medicare?

Yes. John Wear is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for John Wear was last updated on July 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.