CALEB HSIEH M.D.
NPI 1760725550
Internal Medicine - Pulmonary Disease in Torrance, CA

Q: What is Caleb Hsieh's NPI number?

The NPI number for Caleb Hsieh is 1760725550. It was assigned to this individual provider in the NPPES registry on April 1, 2013.

Q: What is Caleb Hsieh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Caleb Hsieh was last updated on December 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 01, 2013PECOS EnrolledAccepts Medicare Assignment

86.1/100

CMS Quality Rating

23550 HAWTHORNE BLVD STE 180, TORRANCE, CA 90505(310) 378-7533(310) 378-6677 Get Directions Write a Review

NPPES record last updated: December 16, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 16, 2020, Oct 8, 2019 (2 updates tracked since 2019).

On this page

About Caleb Hsieh M.d. NPPES

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

CALEB HSIEH M.D. (NPI 1760725550) is an individual pulmonary disease provider in Torrance, California, licensed in California (A134543) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Northwestern University Feinberg Medical School (2013).

NPPES Registry Identity

NPI1760725550

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameCALEB HSIEHCredential: M.D.

Location Address23550 HAWTHORNE BLVD STE 180Torrance, CA 90505-4721

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8771

Phone(310) 378-7533

Fax(310) 378-6677

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2013

Enumeration DateApril 1, 2013

Last NPPES UpdateDecember 16, 20202 updates tracked since enumeration

NPPES CertifiedDecember 16, 2020

✔ NPI 1760725550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A134543

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

23550 HAWTHORNE BLVD STE 180, Torrance, CA 90505

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Secondary Practice Location 1

Location 114445 Olive View Drive, #2B182Los Angeles, CA 91342 · Phone (818) 364-3205

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caleb Hsieh 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 ID8729388111

PECOS Enrollment IDI20151208002308

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.

Medicare Billing Reassignments

Medicare enrollment records show Caleb Hsieh reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California

Same address

Pulmonary Disease

23550 HAWTHORNE BLVD, #180
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
16 clinicians in this Medicare group

NPI 1366789307 (310) 301-8707

Southbay Critical Care A Medical Partnership

1.9 mi

Critical Care Medicine

4101 TORRANCE BLVD
Torrance, CA 90503

Reassigned Medicare billing, California enrollment
13 clinicians in this Medicare group

NPI 1568174282 (949) 829-8299

Superior Hospitalist Medical Group Inc

9.9 mi

Hospitalist

1680 E 120TH ST
Los Angeles, CA 90059

Reassigned Medicare billing, California enrollment
198 clinicians in this Medicare group

NPI 1780047712 (330) 493-4443

The Regents Of The University Of California

19 mi

Internal Medicine

200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095

Reassigned Medicare billing, California enrollment
1,766 clinicians in this Medicare group

NPI 1235107566 (310) 794-1276

Southern California Hospitalist Network Medical Group Inc

27 mi

Internal Medicine

625 THE CITY DR S STE 320
Orange, CA 92868

Reassigned Medicare billing, California enrollment
187 clinicians in this Medicare group

NPI 1790880458 (714) 202-2330

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

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.

943 services276 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.

228 services179 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.

156 services69 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.

135 services126 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.

120 services78 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.

77 services48 patients

Therapy procedure using a positive pressure ventilator 94660

A positive pressure ventilator is a device that helps with breathing. It pushes air into the lungs to assist in maintaining oxygen levels. This can be essential for patients with conditions that affect their ability to breathe independently. It's non-invasive and comfortable.

54 services41 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.

32 services32 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

31 services31 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.

24 services23 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.

22 services11 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.

20 services20 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

20 services17 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.

17 services17 patients

Aspiration of initial secretion of lung airway using an endoscope 31645

This procedure involves using a thin, flexible tube called an endoscope to collect initial secretions from your lung airway. This helps doctors diagnose and treat respiratory conditions. It's a safe, minimally invasive procedure.

16 services13 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes 99422

This is a digital health service for existing patients. Over a week, your healthcare provider will assess and manage your health concerns online. The total time spent communicating will be between 11-20 minutes. This service offers convenience and continuous care.

15 services14 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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.

86.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

82.93

Promoting Interoperability

100

Improvement Activities

Cost

66.73

Referred Medical Equipment & Supplies CMS DME claims 24

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

10 suppliers263 claims263 services$33.85 avg. paid by Medicare

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

DME-Other DME · category DE001N

7 suppliers118 claims118 services$77.81 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

6 suppliers115 claims334 services$30.28 avg. paid by Medicare

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

DME-Other DME · category DE001N

12 suppliers139 claims815 services$16.09 avg. paid by Medicare

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

DME-Other DME · category DE001N

9 suppliers104 claims583 services$11.98 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

11 suppliers243 claims243 services$45.73 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

13 suppliers189 claims190 services$16.36 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

6 suppliers32 claims32 services$8.47 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

9 suppliers79 claims79 services$11.08 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

14 suppliers347 claims2,028 services$1.78 avg. paid by Medicare

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

DME-Other DME · category DE001N

5 suppliers31 claims31 services$5.12 avg. paid by Medicare

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

DME-Other DME · category DE001N

9 suppliers49 claims49 services$10.83 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 suppliers62 claims62 services$14.40 avg. paid by Medicare

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

DME-Other DME · category DE005N

3 suppliers68 claims68 services$773.38 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

4 suppliers32 claims32 services$848.37 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

11 suppliers64 claims64 services$109.38 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

5 suppliers54 claims59 services$3.11 avg. paid by Medicare

Respiratory suction pump, home model, portable or stationary, electric E0600

DME-Other DME · category DE000N

1 supplier12 claims12 services$36.77 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

15 suppliers593 claims593 services$27.00 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

7 suppliers140 claims140 services$65.68 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

5 suppliers44 claims44 services$32.34 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 suppliers15 claims3,474 services$0.03 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 suppliers16 claims1,680 services$0.09 avg. paid by Medicare

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

DME-Other DME · category DE000N

7 suppliers30 claims30 services$25.10 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 5

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

JANICE ERICA CHANG

Otolaryngology

23550 HAWTHORNE BLVD STE 180
TORRANCE, CA 90505

Los Angeles County (310) 465-2255

LINDSEY YIP DDS

Dentist

23550 HAWTHORNE BLVD STE 180
TORRANCE, CA 90505

Los Angeles County (424) 241-2001

DR. FELIX KYLE YIP DDS, MD

Dentist (Oral and Maxillofacial Surgery)

23550 HAWTHORNE BLVD STE 180
TORRANCE, CA 90505

Los Angeles County (424) 241-2001

DR. ALLEN HUANG D.D.S., M.D.

Dentist (Oral and Maxillofacial Surgery)

23550 HAWTHORNE BLVD STE 180
TORRANCE, CA 90505

Los Angeles County (424) 241-2001

YIP HUANG CRUM AFZALI PARTNERSHIP

Dentist (Oral and Maxillofacial Surgery)

23550 HAWTHORNE BLVD STE 180
TORRANCE, CA 90505

Los Angeles County (310) 683-2227

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 Caleb Hsieh's NPI number?

The NPI number for Caleb Hsieh is 1760725550. It was assigned to this individual provider in the NPPES registry on April 1, 2013.

Where is Caleb Hsieh located?

Caleb Hsieh practices at 23550 Hawthorne Blvd Ste 180, Torrance, CA 90505. The listed phone number is (310) 378-7533.

What is Caleb Hsieh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Caleb Hsieh enrolled in Medicare?

Yes. Caleb Hsieh 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.

Which organizations bill Medicare for Caleb Hsieh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caleb Hsieh reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (Torrance, CA), Southbay Critical Care A Medical Partnership (Torrance, CA), Superior Hospitalist Medical Group Inc (Los Angeles, CA), The Regents Of The University Of California (Los Angeles, CA) and Southern California Hospitalist Network Medical Group Inc (Orange, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Caleb Hsieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Caleb Hsieh was last updated on December 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.