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DR. GREGORY SAN WONG MD
NPI 1336294875
Internal Medicine - Geriatric Medicine in Los Angeles, CA

Active since January 24, 2007PECOS Enrolled
1700 CESAR CHAVEZ AVE, SENIOR CARE CLINIC, LOS ANGELES, CA 90033(323) 307-0800(323) 307-0803 Get Directions Write a Review

NPPES record last updated: October 1, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gregory San Wong Md NPPES

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

DR. GREGORY SAN WONG MD (NPI 1336294875) is an individual geriatric medicine provider in Los Angeles, California, licensed in California (A96833) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336294875
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. GREGORY SAN WONGCredential: MD
Location Address1700 CESAR CHAVEZ AVE, SENIOR CARE CLINICLos Angeles, CA 90033-2414
Mailing Address1700 Cesar Chavez Ave #3900Los Angeles, CA 90033-2414 · (323) 307-0800 · Fax (323) 307-0803
Phone(323) 307-0800
Fax(323) 307-0803
Sole ProprietorNo
Enumeration DateJanuary 24, 2007
Last NPPES UpdateOctober 1, 2009
✔ NPI 1336294875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in CA · A96833
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
1700 CESAR CHAVEZ AVE, Los Angeles, CA 90033
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Other Identifiers 2

Medicaid00A968330CA
Medicare UPINAW165ZCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory San Wong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 90033 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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 5

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

DR. AZMY F GHALY MEDICAL DOCTOR
Internal Medicine (Geriatric Medicine)
1700 CESAR CHAVEZ AVE, SENIOR CARE CLINIC
LOS ANGELES, CA 90033
Los Angeles County (323) 307-0800
MRS. KARLA ILIANA MENJIVAR FNP
Nurse Practitioner (Family)
1700 CESAR CHAVEZ AVE, SUITE 3900
LOS ANGELES, CA 90033
Los Angeles County (323) 307-0800
MR. FRANCISCO QUIJAS MEDICAL DOCTOR
Internal Medicine (Geriatric Medicine)
1700 CESAR CHAVEZ AVE, SENIOR CARE CLINIC
LOS ANGELES, CA 90033
Los Angeles County (323) 307-0800
JOSE DIAZ
Registered Nurse (Women's Health Care, Ambulatory)
1700 CESAR CHAVEZ AVE
LOS ANGELES, CA 90033
Los Angeles County (562) 906-7766
SENIOR CARE CLINIC A MEDICAL CORPORATION
Internal Medicine (Geriatric Medicine)
1700 CESAR CHAVEZ AVE, # 3900
LOS ANGELES, CA 90033
Los Angeles County (323) 307-0800

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 Gregory Wong's NPI number?

The NPI number for Gregory Wong is 1336294875. It was assigned to this individual provider in the NPPES registry on January 24, 2007.

Where is Gregory Wong located?

Gregory Wong practices at 1700 Cesar Chavez Ave Senior Care Clinic, Los Angeles, CA 90033. The listed phone number is (323) 307-0800.

What is Gregory Wong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Gregory Wong enrolled in Medicare?

Yes. Gregory Wong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Wong was last updated on October 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.