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MR. RON Y GU MD
NPI 1851494215
Internal Medicine in Hacienda Heights, CA

Active since September 07, 2006PECOS EnrolledAccepts Medicare Assignment
1850 S AZUSA AVE, SUITE 205, HACIENDA HEIGHTS, CA 91745(626) 964-2880(626) 964-2834 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Ron Y Gu Md NPPES

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

MR. RON Y GU MD (NPI 1851494215) is an individual internal medicine provider in Hacienda Heights, California, licensed in California (A37924) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of National Medical University (1968).

NPPES Registry Identity

NPI1851494215
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. RON Y GUCredential: MD
Location Address1850 S AZUSA AVE, SUITE 205Hacienda Heights, CA 91745
Mailing Address1850 S Azusa Ave, Suite 205Hacienda Heights, CA 91745 · (626) 964-2880 · Fax (626) 964-2834
Phone(626) 964-2880
Fax(626) 964-2834
Sole ProprietorNo
Medical School CMSNational Medical UniversityGraduated 1968
Enumeration DateSeptember 7, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1851494215 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 · A37924
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.
1850 S AZUSA AVE, Hacienda Heights, CA 91745
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINA88441
Medicaid00A379240CA
Medicare ID-Type UnspecifiedWA37924A

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

Mr. Ron Y Gu Md 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 ID5092995373
PECOS Enrollment IDI20110203000213
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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
25 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services16 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
16 services16 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
16 services16 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91745 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 20

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

PUENTE HILLS PHARMACY
Pharmacy (Community/Retail Pharmacy)
1850 S AZUSA AVE, SUITE 101
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 912-3311
MRS. JANE S GU MD
Pediatrics
1850 S AZUSA AVE, SUITE 205
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 964-2880
GARLAN G. LO M.D.
Ophthalmology
1850 S AZUSA AVE, STE 107
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 912-6888
MR. ANTHONY C. CHEN M.D.
Internal Medicine
1850 S AZUSA AVE, SUITE 102
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 912-2682
DR. STEPHEN CURTIS WONG M.D.
Allergy & Immunology (Allergy)
1850 S AZUSA AVE, SUITE 206
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 810-5450
ERNESTO G ONG M.D.
Pediatrics
1850 S AZUSA AVE
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 964-6012
RAYMOND WONG PHARM.D.
Durable Medical Equipment & Medical Supplies
1850 S AZUSA AVE, SUITE 101
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 912-3311
PIH HEALTH PHYSICIANS
Family Medicine
1850 S AZUSA AVE
HACIENDA HEIGHTS, CA 91745
Los Angeles County (626) 964-3040

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 Ron Gu's NPI number?

The NPI number for Ron Gu is 1851494215. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Ron Gu located?

Ron Gu practices at 1850 S Azusa Ave Suite 205, Hacienda Heights, CA 91745. The listed phone number is (626) 964-2880.

What is Ron Gu's specialty?

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

Is Ron Gu enrolled in Medicare?

Yes. Ron Gu 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 Ron Gu was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.