DR. JEFFREY CHEN D.O.
NPI 1801120191
Internal Medicine - Critical Care Medicine in Monterey Park, CA

Q: What is Jeffrey Chen's NPI number?

The NPI number for Jeffrey Chen is 1801120191. It was assigned to this individual provider in the NPPES registry on September 20, 2009.

Q: What is Jeffrey Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Chen was last updated on April 20, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 20, 2009PECOS EnrolledAccepts Medicare Assignment

500 N GARFIELD AVE, SUITE 204, MONTEREY PARK, CA 91754(626) 280-4393 Get Directions Write a Review

NPPES record last updated: April 20, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 20, 2020, Jul 27, 2018 (2 updates tracked since 2018).

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About Dr. Jeffrey Chen D.o. NPPES

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

DR. JEFFREY CHEN D.O. (NPI 1801120191) is an individual critical care medicine provider in Monterey Park, California, licensed in California (20A10906) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1801120191

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. JEFFREY CHENCredential: D.O.

Location Address500 N GARFIELD AVE, SUITE 204Monterey Park, CA 91754

Mailing Address1404 Laurel StSouth Pasadena, CA 91030-4413 · (626) 689-0090

Phone(626) 280-4393

Sole ProprietorYes

Medical School CMSOtherGraduated 2008

Enumeration DateSeptember 20, 2009

Last NPPES UpdateApril 20, 20202 updates tracked since enumeration

NPPES CertifiedApril 20, 2020

✔ NPI 1801120191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in CA · 20A10906

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License 20A10906 (CA)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 20A10906 (CA)

500 N GARFIELD AVE, Monterey Park, CA 91754

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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

Dr. Jeffrey Chen D.o. 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 ID1355596057

PECOS Enrollment IDI20130304000164

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 19

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

1,769 services540 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.

508 services212 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

495 services209 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.

320 services188 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.

188 services185 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

127 services94 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

40 services40 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

40 services40 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

40 services40 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.

34 services34 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.

28 services28 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

21 services20 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

17 services17 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

17 services16 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

14 services14 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

13 services13 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

12 services12 patients

Test to determine lung volumes using gas dilution or washout 94727

12 services12 patients

Test to examine how well the lungs exchange gases 94729

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91754 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.

Referred Medical Equipment & Supplies CMS DME claims 21

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

2 suppliers12 claims12 services$32.47 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

2 suppliers21 claims101 services$14.05 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

4 suppliers21 claims116 services$11.30 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

5 suppliers44 claims44 services$43.67 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers34 claims34 services$15.37 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

4 suppliers36 claims36 services$10.43 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers55 claims259 services$1.74 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

3 suppliers28 claims28 services$5.28 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

3 suppliers11 claims11 services$11.30 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

3 suppliers71 claims71 services$13.46 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier15 claims15 services$766.23 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

2 suppliers15 claims15 services$67.38 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers98 claims98 services$2.61 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers45 claims45 services$27.24 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

4 suppliers129 claims129 services$63.26 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers38 claims38 services$28.71 avg. paid by Medicare

Acetylcysteine, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per gram J7608

DME-Drugs Administered Through DME · category DG000N

3 suppliers17 claims1,220 services$3.93 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

4 suppliers35 claims5,856 services$0.09 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$28.28 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

4 suppliers26 claims26 services$24.18 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 90 days Q0514

DME-Other DME · category DE000N

1 supplier12 claims12 services$52.01 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

SHAN CHU MD

Internal Medicine (Pulmonary Disease)

500 N GARFIELD AVE, STE 204
MONTEREY PARK, CA 91754

Los Angeles County (626) 280-4393

DR. WENDY H WU D.P.M.

Podiatrist (Foot & Ankle Surgery)

500 N GARFIELD AVE, SUITE 210
MONTEREY PARK, CA 91754

Los Angeles County (626) 312-2000

DR. TSANG-HUNG CHANG M.D.

Obstetrics & Gynecology

500 N GARFIELD AVE, SUITE 201
MONTEREY PARK, CA 91754

Los Angeles County (626) 572-0661

SZE-WAI NG, M.D., A PROFESSIONAL CORPORATION

Clinic/Center (Primary Care)

500 N GARFIELD AVE, SUITE 109
MONTEREY PARK, CA 91754

Los Angeles County (626) 288-3288

DR. SUISUN SIMON CHAN M.D.

Internal Medicine (Gastroenterology)

500 N GARFIELD AVE, SUITE 308
MONTEREY PARK, CA 91754

Los Angeles County (626) 288-8292

M Y NASIR MD INC

Family Medicine

500 N GARFIELD AVE, #110
MONTEREY PARK, CA 91754

Los Angeles County (626) 288-8900

NING LI

Acupuncturist

500 N GARFIELD AVE, #201
MONTEREY PARK, CA 91754

Los Angeles County (626) 571-7115

JACK MORGAN, DPM, INC A PROFESSIONAL CORPORATION

Podiatrist (Foot & Ankle Surgery)

500 N GARFIELD AVE, 108
MONTEREY PARK, CA 91754

Los Angeles County (626) 288-2760

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 Jeffrey Chen's NPI number?

The NPI number for Jeffrey Chen is 1801120191. It was assigned to this individual provider in the NPPES registry on September 20, 2009.

Where is Jeffrey Chen located?

Jeffrey Chen practices at 500 N Garfield Ave Suite 204, Monterey Park, CA 91754. The listed phone number is (626) 280-4393.

What is Jeffrey Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Jeffrey Chen enrolled in Medicare?

Yes. Jeffrey Chen 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 Jeffrey Chen was last updated on April 20, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.