THOMAS JOSEPH ASCIUTO
NPI 1649298852
Internal Medicine - Pulmonary Disease in Fountain Valley, CA

Q: What is Thomas Asciuto's NPI number?

The NPI number for Thomas Asciuto is 1649298852. It was assigned to this individual provider in the NPPES registry on July 17, 2006. The provider is also known as Dr. Thomas J Asciuto M.D..

Q: What is Thomas Asciuto'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 Thomas Asciuto was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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 July 17, 2006PECOS EnrolledAccepts Medicare Assignment

48.31/100

CMS Quality Rating

18111 BROOKHURST ST 4600, FOUNTAIN VALLEY, CA 92708(714) 861-4545(714) 861-4549 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Thomas Joseph Asciuto NPPES

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

THOMAS JOSEPH ASCIUTO (NPI 1649298852) is an individual pulmonary disease provider in Fountain Valley, California, licensed in California (A53904) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of New York University School Of Medicine (1989).

NPPES Registry Identity

NPI1649298852

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameTHOMAS JOSEPH ASCIUTO

Location Address18111 BROOKHURST ST 4600Fountain Valley, CA 92708-6728

Mailing Address18111 Brookhurst St 4600Fountain Valley, CA 92708-6728 · (714) 861-4545 · Fax (714) 861-4549

Phone(714) 861-4545

Fax(714) 861-4549

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 1989

Enumeration DateJuly 17, 2006

Last NPPES UpdateJanuary 29, 2026

NPPES CertifiedJanuary 29, 2026

✔ NPI 1649298852 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 · A53904

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 ListedEmergency Medicine · Undersea and Hyperbaric MedicineTaxonomy 207PE0005X · License A53904 (CA)

18111 BROOKHURST ST 4600, Fountain Valley, CA 92708

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Other Names 1

Professional Name (2)Dr. Thomas J Asciuto M.d.

Secondary Practice Location 1

Location 1101 The City Dr SOrange, CA 92868-3201 · Phone (714) 456-8888

Other Identifiers 1

MedicaidGR0086880CA

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

Thomas Joseph Asciuto 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 ID7012051345

PECOS Enrollment IDI20100225000706

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 Thomas Asciuto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thomas J Asciuto MD Corporation

0.1 mi

Pulmonary Disease

18111 BROOKHURST ST, SUITE 4600
Fountain Valley, CA 92708

Reassigned Medicare billing, California enrollment

NPI 1659630622 (714) 861-4545

The Regents Of The University Of California-Irvine

7.1 mi

Hospitalist

101 THE CITY DR S BLDG 1
Orange, CA 92868

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

NPI 1154479723 (714) 456-7002

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 12

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.

440 services210 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.

258 services168 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.

167 services153 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.

167 services153 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.

167 services153 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.

165 services151 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.

131 services49 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.

75 services75 patients

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.

74 services42 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.

23 services17 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.

19 services19 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 92708 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.

48.31/100

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

Individually scored

Quality

Promoting Interoperability

Improvement Activities

Cost

66.61

Reported Quality Measures

e-Prescribing

95%353 patients3/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

16%529 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 23

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 suppliers133 claims133 services$34.26 avg. paid by Medicare

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

DME-Other DME · category DE001N

4 suppliers30 claims30 services$69.37 avg. paid by Medicare

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

DME-Other DME · category DE001N

4 suppliers30 claims88 services$27.47 avg. paid by Medicare

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

DME-Other DME · category DE001N

10 suppliers56 claims330 services$15.98 avg. paid by Medicare

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

DME-Other DME · category DE001N

7 suppliers61 claims357 services$13.04 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

12 suppliers124 claims124 services$45.94 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

13 suppliers83 claims83 services$15.73 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

10 suppliers22 claims22 services$11.07 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

15 suppliers153 claims914 services$1.76 avg. paid by Medicare

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

DME-Other DME · category DE001N

2 suppliers26 claims26 services$5.18 avg. paid by Medicare

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

DME-Other DME · category DE001N

9 suppliers59 claims59 services$11.05 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

2 suppliers16 claims16 services$14.84 avg. paid by Medicare

Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465

DME-Other DME · category DE005N

1 supplier12 claims12 services$784.18 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 supplier23 claims23 services$67.56 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers14 claims14 services$113.57 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers22 claims22 services$12.63 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

6 suppliers108 claims108 services$29.14 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

6 suppliers118 claims118 services$63.11 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers57 claims57 services$31.28 avg. paid by Medicare

Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605

DME-Drugs Administered Through DME · category DG006N

1 supplier19 claims840 services$4.58 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

2 suppliers11 claims420 services$6.19 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

4 suppliers26 claims1,410 services$0.81 avg. paid by Medicare

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

DME-Other DME · category DE000N

6 suppliers44 claims44 services$24.83 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 Thomas Asciuto's NPI number?

The NPI number for Thomas Asciuto is 1649298852. It was assigned to this individual provider in the NPPES registry on July 17, 2006. The provider is also known as Dr. Thomas J Asciuto M.D..

Where is Thomas Asciuto located?

Thomas Asciuto practices at 18111 Brookhurst St 4600, Fountain Valley, CA 92708. The listed phone number is (714) 861-4545.

What is Thomas Asciuto's specialty?

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

Is Thomas Asciuto enrolled in Medicare?

Yes. Thomas Asciuto 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 Thomas Asciuto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Asciuto reassigns Medicare benefits to 2 organizations: Thomas J Asciuto MD Corporation (Fountain Valley, CA) and The Regents Of The University Of California-Irvine (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 Thomas Asciuto'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 Thomas Asciuto was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.