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BASUKI K. GUNAWAN M.D.
NPI 1346352473
Internal Medicine in Downey, CA

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
9353 IMPERIAL HWY, DOWNEY, CA 90242(562) 657-4292 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Basuki K. Gunawan M.d. NPPES

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

BASUKI K. GUNAWAN M.D. (NPI 1346352473) is an individual internal medicine provider in Downey, California, licensed in California (A78609) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1346352473
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBASUKI K. GUNAWANCredential: M.D.
Location Address9353 IMPERIAL HWYDowney, CA 90242-2812
Mailing Address9353 Imperial HwyDowney, CA 90242-2812 · (562) 657-4292
Phone(562) 657-4292
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateAugust 31, 2006
Last NPPES UpdateDecember 21, 2021
✔ NPI 1346352473 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 · A78609
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.
9353 IMPERIAL HWY, Downey, CA 90242
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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

Basuki K. Gunawan 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 ID4880678515
PECOS Enrollment IDI20040617001538
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 Reassignment

Medicare enrollment records show Basuki Gunawan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.0 mi
Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242555 (562) 461-3000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90242 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.

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. DANNY HYUN KIM DPT
Physical Therapist
9353 IMPERIAL HWY, PHYSICAL THERAPY GMO 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-2682
ASHLEY VINH CHANG PT, DPT
Physical Therapist
9353 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273
QUENNIE M. BASA PHYSICAL THERAPIST
Physical Therapist (Orthopedic)
9353 IMPERIAL HWY, GARDEN MEDICAL OFFICE 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-2428
ELIZABETH PICINIC NORHEIM M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
9353 IMPERIAL HWY, FL 1
DOWNEY, CA 90242
Los Angeles County (562) 657-4243
KRISTINE JOAN PARKER M.A.
Speech-Language Pathologist
9353 IMPERIAL HWY, 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-4909
MRS. LORI TAGAMI P.T.
Physical Therapist
9353 IMPERIAL HWY, PHYSICAL MEDICINE, GARDEN MEDICAL BUILDING 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-4803
CARITIA OROZCO
Physical Therapist
9353 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (800) 823-4040
MR. MICHAEL HENRY LEAL PT, MPT
Physical Therapist (Orthopedic)
9353 IMPERIAL HWY, PM & R GARDEN BLDG 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-4803

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 Basuki Gunawan's NPI number?

The NPI number for Basuki Gunawan is 1346352473. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Basuki Gunawan located?

Basuki Gunawan practices at 9353 Imperial Hwy, Downey, CA 90242. The listed phone number is (562) 657-4292.

What is Basuki Gunawan's specialty?

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

Is Basuki Gunawan enrolled in Medicare?

Yes. Basuki Gunawan 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 organization bills Medicare for Basuki Gunawan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Basuki Gunawan reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, CA). The 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 Basuki Gunawan'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 Basuki Gunawan was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.