ALFREDO LEE CHANG MD
NPI 1689944407
Internal Medicine - Critical Care Medicine in Los Angeles, CA

Q: What is Alfredo Lee Chang's NPI number?

The NPI number for Alfredo Lee Chang is 1689944407. It was assigned to this individual provider in the NPPES registry on January 10, 2012.

Q: What is Alfredo Lee Chang'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 Alfredo Lee Chang was last updated on April 20, 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.

Active since January 10, 2012PECOS EnrolledAccepts Medicare Assignment

1520 SAN PABLO STREET, SUITE1000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: April 20, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Alfredo Lee Chang Md NPPES

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

ALFREDO LEE CHANG MD (NPI 1689944407) is an individual critical care medicine provider in Los Angeles, California, licensed in California (A142854) and active in the NPI registry since January 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1689944407

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameALFREDO LEE CHANGCredential: MD

Location Address1520 SAN PABLO STREET, SUITE1000Los Angeles, CA 90033-5310

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100

Phone(323) 442-5100

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateJanuary 10, 2012

Last NPPES UpdateApril 20, 2020

NPPES CertifiedApril 20, 2020

✔ NPI 1689944407 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 · A142854

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 52549 (CT)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A142854 (CA)

1520 SAN PABLO STREET, Los Angeles, CA 90033

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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

Alfredo Lee Chang 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 ID2567694409

PECOS Enrollment IDI20200429001108

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 15

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.

2,458 services587 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.

615 services198 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.

329 services184 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.

259 services250 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.

156 services103 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.

148 services61 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.

41 services41 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.

36 services34 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.

35 services33 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.

35 services33 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

27 services27 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.

27 services20 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.

24 services22 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

22 services22 patients

Emergent insertion of breathing tube into windpipe using an endoscope 31500

This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.

11 services11 patients

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

$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 22

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

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers23 claims43 services$1.45 avg. paid by Medicare

Aerosol mask, used with dme nebulizer A7015

DME-Other DME · category DE000N

1 supplier20 claims20 services$0.97 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers13 claims13 services$70.60 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

3 suppliers17 claims17 services$45.52 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

4 suppliers25 claims25 services$16.77 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

4 suppliers18 claims18 services$10.62 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

4 suppliers27 claims137 services$1.66 avg. paid by Medicare

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

DME-Other DME · category DE001N

2 suppliers13 claims13 services$5.28 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 suppliers59 claims59 services$14.08 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 suppliers55 claims56 services$775.00 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

1 supplier15 claims15 services$64.19 avg. paid by Medicare

High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each E0483

DME-Other DME · category DE000N

1 supplier22 claims22 services$890.45 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers11 claims11 services$115.47 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

3 suppliers87 claims87 services$2.88 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

3 suppliers110 claims110 services$25.63 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

3 suppliers112 claims112 services$63.29 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier40 claims40 services$28.40 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

1 supplier14 claims1,920 services$6.62 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

3 suppliers13 claims4,086 services$0.04 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

2 suppliers17 claims2,820 services$0.09 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 supplier17 claims89,250 services$0.15 avg. paid by Medicare

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

DME-Other DME · category DE000N

4 suppliers32 claims32 services$25.18 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 10

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

SAURABH D ASHIER PA-C

Physician Assistant (Surgical)

1520 SAN PABLO STREET
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5849

JOHN MATTHEW RINGMAN MD

Psychiatry & Neurology (Neurology)

1520 SAN PABLO STREET, SUITE 3000
LOS ANGELES, CA 90033

Los Angeles County (323) 457-5710

DR. CHIRAG H. PATEL M.D.

Multi-Specialty

1520 SAN PABLO STREET, SUITE 3000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5710

DEIRDRE R ANGLIN MD

Emergency Medicine

1520 SAN PABLO STREET
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5955

CAROLINE T. NGUYEN M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

1520 SAN PABLO STREET, SUITE 1000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5100

THOMAS A HICKLIN I MD

Psychiatry & Neurology (Psychiatry)

1520 SAN PABLO STREET, SUITE 1652
LOS ANGELES, CA 90033

Los Angeles County (323) 442-6000

DANIELLE MARIE FEIGENBAUM M.D.

Psychiatry & Neurology (Neurology)

1520 SAN PABLO STREET, SUITE 3000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5710

DR. PARKASH GILL M.D.

Internal Medicine (Hematology)

1520 SAN PABLO STREET, SUITE 1000
LOS ANGELES, CA 90033

Los Angeles County (626) 457-5839

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 Alfredo Lee Chang's NPI number?

The NPI number for Alfredo Lee Chang is 1689944407. It was assigned to this individual provider in the NPPES registry on January 10, 2012.

Where is Alfredo Lee Chang located?

Alfredo Lee Chang practices at 1520 San Pablo Street Suite1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Alfredo Lee Chang's specialty?

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

Is Alfredo Lee Chang enrolled in Medicare?

Yes. Alfredo Lee Chang 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 Alfredo Lee Chang was last updated on April 20, 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.