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MR. OLIVER LIM ONG M.D.
NPI 1811951734
Internal Medicine - Endocrinology, Diabetes & Metabolism in Glendale, CA

Active since April 17, 2006PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
801 S CHEVY CHASE DR, #102, GLENDALE, CA 91205(818) 265-2242(818) 265-2241 Get Directions Write a Review

NPPES record last updated: July 11, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Oliver Lim Ong M.d. NPPES

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

MR. OLIVER LIM ONG M.D. (NPI 1811951734) is an individual endocrinology, diabetes & metabolism provider in Glendale, California, licensed in California (A76526) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1996).

NPPES Registry Identity

NPI1811951734
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameMR. OLIVER LIM ONGCredential: M.D.
Location Address801 S CHEVY CHASE DR, #102Glendale, CA 91205-4431
Mailing Address801 S Chevy Chase Dr, #20Glendale, CA 91205-4431 · (818) 265-2242 · Fax (818) 265-2241
Phone(818) 265-2242
Fax(818) 265-2241
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1996
Enumeration DateApril 17, 2006
Last NPPES UpdateJuly 11, 2012
✔ NPI 1811951734 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A76526
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
801 S CHEVY CHASE DR, Glendale, CA 91205
Open in Google Maps ↗

Other Identifiers 1

Medicare PINWA76526ACA

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. Oliver Lim Ong M.d. 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 ID5496705634
PECOS Enrollment IDI20050126000371
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 7

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.

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.
697 services421 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
457 services125 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
85 services85 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
80 services74 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
45 services35 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91205 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.24
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
3 suppliers27 claims257 services$18.20 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
3 suppliers28 claims640 services$2.34 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
68 suppliers361 claims1,031 services$5.37 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
2 suppliers13 claims13 services$2.71 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
49 suppliers198 claims283 services$0.93 avg. paid by Medicare
For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500
DME-Orthotic Devices · category DF000N
4 suppliers17 claims34 services$57.72 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

GLENDALE COMMUNITY MEDICAL GROUP INC
Specialist
801 S CHEVY CHASE DR, 105
GLENDALE, CA 91205
Los Angeles County (818) 265-2203
PATRICK MINASSIAN DDS INC
Dentist
801 S CHEVY CHASE DR, SUITE 108
GLENDALE, CA 91205
Los Angeles County (818) 242-6161
DR. JEAN-PIERRE E ANTAKI M.D.
Internal Medicine (Infectious Disease)
801 S CHEVY CHASE DR, #105
GLENDALE, CA 91205
Los Angeles County (818) 242-5299
DR. CHUNG ACUPUNCTURE CLINIC, INC.
Acupuncturist
801 S CHEVY CHASE DR, #104
GLENDALE, CA 91205
Los Angeles County (818) 517-6940
GARNIK YEGYAN MD A MEDICAL CORPORATION
Specialist
801 S CHEVY CHASE DR, #101
GLENDALE, CA 91205
Los Angeles County (818) 247-2212
ANTAKI & ASSOCIATES INFECTIOUS DISEASE MEDICAL GROUP INC
Internal Medicine (Infectious Disease)
801 S CHEVY CHASE DR, 101
GLENDALE, CA 91205
Los Angeles County (818) 242-5299
RAPIDCARE URGENT CARE CENTERS/SO CALIF URGENT CARE MEDICAL GROUP
Clinic/Center (Urgent Care)
801 S CHEVY CHASE DR, #105
GLENDALE, CA 91205
Los Angeles County (818) 265-2200
LUIS M ALBERT MD
Family Medicine
801 S CHEVY CHASE DR, SUITE 108
GLENDALE, CA 91205
Los Angeles County (818) 246-2456

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 Oliver Ong's NPI number?

The NPI number for Oliver Ong is 1811951734. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Oliver Ong located?

Oliver Ong practices at 801 S Chevy Chase Dr #102, Glendale, CA 91205. The listed phone number is (818) 265-2242.

What is Oliver Ong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Oliver Ong enrolled in Medicare?

Yes. Oliver Ong 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 Oliver Ong was last updated on July 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.