DR. SOPHIA CHUN MD
NPI 1104939990
Internal Medicine in Seal Beach, CA

Q: What is Sophia Chun's NPI number?

The NPI number for Sophia Chun is 1104939990. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Q: What is Sophia Chun's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sophia Chun was last updated on November 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 August 16, 2006PECOS EnrolledAccepts Medicare Assignment

1661 GOLDEN RAIN RD, SEAL BEACH, CA 90740(562) 493-9581(562) 795-6397 Get Directions Write a Review

NPPES record last updated: November 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 15, 2025, Sep 22, 2020, Aug 18, 2020 (3 updates tracked since 2020).

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About Dr. Sophia Chun Md NPPES

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

DR. SOPHIA CHUN MD (NPI 1104939990) is an individual internal medicine provider in Seal Beach, California, licensed in California (G80141) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1993).

NPPES Registry Identity

NPI1104939990

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. SOPHIA CHUNCredential: MD

Location Address1661 GOLDEN RAIN RDSeal Beach, CA 90740-4907

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(562) 493-9581

Fax(562) 795-6397

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1993

Enumeration DateAugust 16, 2006

Last NPPES UpdateNovember 15, 20253 updates tracked since enumeration

NPPES CertifiedNovember 15, 2025

✔ NPI 1104939990 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 · G80141

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.

1661 GOLDEN RAIN RD, Seal Beach, CA 90740

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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

Dr. Sophia Chun 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 ID3971783929

PECOS Enrollment IDI20110208000352

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 Sophia Chun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centers For Family Medicine Gp

2.6 mi

Family Medicine

3460 KATELLA AVE
Los Alamitos, CA 90720

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

NPI 1467598243 (562) 594-6599

Healthcare Partners Affiliates Medical Group

15 mi

Addiction Medicine

14591 NEWPORT AVE
Tustin, CA 92780

Reassigned Medicare billing, California enrollment
2,052 clinicians in this Medicare group

NPI 1891981502 (714) 442-4864

Stallant Medical Group Inc

56 mi

Rural Health

27811 GREENSPOT RD
Highland, CA 92346

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

NPI 1508683111 (912) 347-3974

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 4

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.

148 services77 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.

113 services68 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

17 services16 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90740 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 3

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

Addition to lower extremity, dorsiflexion and plantar flexion assist/resist, each joint L2220

DME-Orthotic Devices · category DF000N

3 suppliers19 claims46 services$85.12 avg. paid by Medicare

Addition to lower extremity, varus/valgus correction, plastic modification, padded/lined L2275

DME-Orthotic Devices · category DF000N

2 suppliers11 claims14 services$113.02 avg. paid by Medicare

Addition to lower extremity orthosis, soft interface for molded plastic, below knee section L2820

DME-Orthotic Devices · category DF000N

2 suppliers17 claims21 services$90.51 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.

DR. DAVID RAE PARK MD

Family Medicine