Official registry information on file with the National Plan and Provider Enumeration System.
DR. OSCAR L. CHIEN M.D. (NPI 1679675904) is an individual geriatric medicine provider in San Gabriel, California, licensed in California (A54999) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
NPI1679675904
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. OSCAR L. CHIENCredential: M.D.
Location Address1448 S. SAN GABRIEL BL.San Gabriel, CA 91776
Mailing Address1448 S. San Gabriel Bl.San Gabriel, CA 91776 · (626) 569-2888 · Fax (626) 569-9929
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.
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
✔
Enrolled in Medicare and accepts Medicare assignment
Dr. Oscar L. Chien 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 ID2860516564
PECOS Enrollment IDI20100902000070
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 claims15
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.
2,140 services490 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
1,199 services119 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
727 services106 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
155 services113 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
140 services102 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
134 services64 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
131 services46 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
131 services17 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
130 services96 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.
113 services66 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
57 services14 patients
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181
This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.
52 services44 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
38 services37 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
26 services26 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
24 services17 patients
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91776 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.
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.
13.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality
0
Improvement Activities
0
Cost
44.02
Referred Medical Equipment & Supplies CMS DME claims43
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
30 suppliers168 claims354 services$4.87 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
26 suppliers123 claims142 services$0.84 avg. paid by Medicare
Oropharyngeal suction catheter, each A4628
DME-Other DME · category DE000N
3 suppliers13 claims113 services$3.14 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
3 suppliers24 claims48 services$57.28 avg. paid by Medicare
For diabetics only, multiple density insert, direct formed, molded to foot after external heat source of 230 degrees fahrenheit or higher, total contact with patient's foot, including arch, base layer minimum of 1/4 inch material of shore a 35 durometer or 3/16 inch material of shore a 40 durometer (or higher), prefabricated, each A5512
DME-Orthotic Devices · category DF000N
2 suppliers23 claims138 services$24.66 avg. paid by Medicare
Tubing, used with suction pump, each A7002
DME-Other DME · category DE000N
2 suppliers13 claims50 services$3.51 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers13 claims13 services$40.74 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers13 claims13 services$12.98 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
5 suppliers19 claims19 services$9.76 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
5 suppliers19 claims109 services$1.40 avg. paid by Medicare
Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
5 suppliers45 claims1,369 services$2.62 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
8 suppliers70 claims2,095 services$4.34 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
5 suppliers67 claims24,906 services$0.31 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
3 suppliers16 claims6,515 services$0.26 avg. paid by Medicare
Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
4 suppliers32 claims15,840 services$0.55 avg. paid by Medicare
Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
3 suppliers29 claims29 services$39.33 avg. paid by Medicare
Seat attachment, walker E0156
DME-Other DME · category DE000N
3 suppliers18 claims18 services$12.93 avg. paid by Medicare
Commode chair, mobile or stationary, with fixed arms E0163
DME-Other DME · category DE000N
3 suppliers15 claims15 services$38.66 avg. paid by Medicare
Hospital bed, fixed height, with any type side rails, with mattress E0250
DME-Hospital Beds · category DB000N
1 supplier14 claims15 services$43.98 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
5 suppliers65 claims65 services$44.32 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), without side rails, without mattress E0295
DME-Hospital Beds · category DB000N
2 suppliers11 claims11 services$38.56 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers104 claims104 services$14.30 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
2 suppliers24 claims24 services$769.69 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
5 suppliers67 claims67 services$3.46 avg. paid by Medicare
Respiratory suction pump, home model, portable or stationary, electric E0600
DME-Other DME · category DE000N
2 suppliers11 claims11 services$30.38 avg. paid by Medicare
1 supplier11 claims11 services$22.69 avg. paid by Medicare
Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630
DME-Other DME · category DE000N
5 suppliers43 claims43 services$33.47 avg. paid by Medicare
Iv pole E0776
DME-Other DME · category DE000N
5 suppliers42 claims42 services$5.05 avg. paid by Medicare
Wheelchair accessory, positioning belt/safety belt/pelvic strap, each E0978
DME-Wheelchairs · category DD021N
5 suppliers12 claims12 services$15.10 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
9 suppliers151 claims155 services$63.64 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers21 claims21 services$30.86 avg. paid by Medicare
General use wheelchair seat cushion, width less than 22 inches, any depth E2601
DME-Wheelchairs · category DD021N
4 suppliers20 claims20 services$24.30 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
4 suppliers28 claims5,999 services$0.03 avg. paid by Medicare
Ipratropium bromide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram J7644
DME-Drugs Administered Through DME · category DG006N
1 supplier14 claims360 services$0.16 avg. paid by Medicare
Revefenacin inhalation solution, fda-approved final product, non-compounded, administered through dme, 1 microgram J7677
DME-Drugs Administered Through DME · category DG006N
1 supplier20 claims105,000 services$0.15 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
4 suppliers49 claims50 services$18.82 avg. paid by Medicare
Standard hemi (low seat) wheelchair K0002
DME-Wheelchairs · category DD000N
1 supplier22 claims23 services$28.89 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
4 suppliers52 claims67 services$19.40 avg. paid by Medicare
High strength, lightweight wheelchair K0004
DME-Wheelchairs · category DD000N
1 supplier37 claims65 services$34.27 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
4 suppliers33 claims34 services$9.41 avg. paid by Medicare
Lumbar orthosis, sagittal control, with rigid anterior and posterior panels, posterior extends from l-1 to below l-5 vertebra, produces intracavitary pressure to reduce load on the intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L0627
DME-Orthotic Devices · category DF007N
1 supplier12 claims12 services$332.83 avg. paid by Medicare
Knee orthosis, elastic with condylar pads and joints, with or without patellar control, prefabricated, includes fitting and adjustment L1820
DME-Orthotic Devices · category DF011N
1 supplier11 claims22 services$122.48 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
4 suppliers34 claims34 services$26.04 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.
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 Oscar Chien's NPI number?
The NPI number for Oscar Chien is 1679675904. It was assigned to this individual provider in the NPPES registry on September 5, 2006.
Where is Oscar Chien located?
Oscar Chien practices at 1448 S. San Gabriel Bl., San Gabriel, CA 91776. The listed phone number is (626) 569-2888.
What is Oscar Chien's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Oscar Chien enrolled in Medicare?
Yes. Oscar Chien 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 Oscar Chien was last updated on April 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Oscar L. Chien, M.D. · NPI 1679675904
Geriatric Medicine physician in San Gabriel, California. Individual provider, active in the CMS NPPES registry since September 5, 2006.
## Identity
- **NPI:** 1679675904 (Entity type: Individual)
- **Enumerated:** September 5, 2006
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** A54999 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1448 S. SAN GABRIEL BL., San Gabriel, CA 91776
- **Phone:** (626) 569-2888 · **Fax:** (626) 569-9929
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** April 2, 2020
- **Other identifiers:** Medicaid 00A549990 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1679675904) · Data from the CMS NPPES public registry.
# Dr. Oscar L. Chien, M.D. · NPI 1679675904
Geriatric Medicine physician in San Gabriel, California. Individual provider, active in the CMS NPPES registry since September 5, 2006.
## Identity
- **NPI:** 1679675904 (Entity type: Individual)
- **Enumerated:** September 5, 2006
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** A54999 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1448 S. SAN GABRIEL BL., San Gabriel, CA 91776
- **Phone:** (626) 569-2888 · **Fax:** (626) 569-9929
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** April 2, 2020
- **Other identifiers:** Medicaid 00A549990 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1679675904) · Data from the CMS NPPES public registry.