WINSTON CHUNG MD
NPI 1851322085
Internal Medicine in Los Alamitos, CA

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
3801 KATELLA AVE, SUITE 330, LOS ALAMITOS, CA 90720(562) 594-9546 Get Directions Write a Review

NPPES record last updated: September 7, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Winston Chung Md NPPES

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

WINSTON CHUNG MD (NPI 1851322085) is an individual internal medicine provider in Los Alamitos, California, licensed in California (G79052) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1992).

NPPES Registry Identity

NPI1851322085
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWINSTON CHUNGCredential: MD
Location Address3801 KATELLA AVE, SUITE 330Los Alamitos, CA 90720-3338
Mailing Address3801 Katella Ave, Suite 330Los Alamitos, CA 90720-3338
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1992
Enumeration DateJuly 5, 2006
Last NPPES UpdateSeptember 7, 2007
NPI 1851322085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · G79052
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3801 KATELLA AVE, Los Alamitos, CA 90720

Other Identifiers 1

Medicare UPINF92796

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

Winston Chung 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 ID9931244027
PECOS Enrollment IDI20100301000289
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 18

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.

Follow-up hospital inpatient care per day, typically 35 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.
593 services155 patients
Established patient office or other outpatient visit, 20-29 minutes 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.
459 services204 patients
Follow-up nursing facility visit per day, typically 15 minutes 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
280 services54 patients
Initial hospital inpatient care per day, typically 70 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.
169 services152 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.
129 services33 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
120 services110 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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 10

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

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
2 suppliers18 claims62 services$1.69 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
1 supplier12 claims365 services$4.30 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
1 supplier12 claims6,617 services$0.24 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261
DME-Hospital Beds · category DB000N
2 suppliers34 claims34 services$36.03 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers31 claims31 services$24.75 avg. paid by Medicare
Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630
DME-Other DME · category DE000N
2 suppliers12 claims12 services$39.35 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 20

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

Specialist
3801 KATELLA AVE, STE 110
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
3801 KATELLA AVE, STE 401
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
3801 KATELLA AVE, SUITE 401
LOS ALAMITOS, CA 90720
Otolaryngology (Otolaryngic Allergy)
3801 KATELLA AVE, STE 425
LOS ALAMITOS, CA 90720
Pediatrics (Adolescent Medicine)
3801 KATELLA AVE, SUITE 221
LOS ALAMITOS, CA 90720
Internal Medicine (Interventional Cardiology)
3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720
Dermatology (MOHS-Micrographic Surgery)
3801 KATELLA AVE, SUITE 414
LOS ALAMITOS, CA 90720
Specialist
3801 KATELLA AVE, SUITE 425
LOS ALAMITOS, CA 90720

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 Winston Chung's NPI number?

The NPI number for Winston Chung is 1851322085. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Winston Chung located?

Winston Chung practices at 3801 Katella Ave Suite 330, Los Alamitos, CA 90720. The listed phone number is (562) 594-9546.

What is Winston Chung's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Winston Chung enrolled in Medicare?

Yes. Winston Chung 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 Winston Chung was last updated on September 7, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.