1. Home
  2. Directory
  3. California
  4. Downey
  5. Internal Medicine
  6. NPI Profile

DR. CHAIYAPORN BOONCHALERMVICHIAN MD
NPI 1801046867
Internal Medicine - Hematology & Oncology in Downey, CA

Active since September 26, 2008PECOS EnrolledAccepts Medicare Assignment
11480 BROOKSHIRE AVE, SUITE 309, DOWNEY, CA 90241(562) 869-1201(562) 869-1281 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 19, 2018, Mar 17, 2017, Jan 30, 2017 (3 updates tracked since 2017).

About Dr. Chaiyaporn Boonchalermvichian Md NPPES

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

DR. CHAIYAPORN BOONCHALERMVICHIAN MD (NPI 1801046867) is an individual hematology & oncology provider in Downey, California, licensed in California (A112439) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1801046867
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. CHAIYAPORN BOONCHALERMVICHIANCredential: MD
Location Address11480 BROOKSHIRE AVE, SUITE 309Downey, CA 90241-5018
Mailing Address18000 Studebaker Rd Ste 800Cerritos, CA 90703-2671 · (562) 735-3226 · Fax (562) 869-1281
Phone(562) 869-1201
Fax(562) 869-1281
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateSeptember 26, 2008
Last NPPES UpdateOctober 24, 20253 updates tracked since enumeration
NPPES CertifiedOctober 24, 2025
✔ NPI 1801046867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in CA · A112439✔ Licensed in IN · 01098101A
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 01098101A (IN)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 01098101A (IN)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 01098101A (IN)
Also ListedGeneral Acute Care HospitalTaxonomy 282N00000X · License 2008014384 (MO)
11480 BROOKSHIRE AVE, Downey, CA 90241
Open in Google Maps ↗

Secondary Practice Location 1

Location 11030 W Michigan StIndianapolis, IN 46202-5201 · Phone (317) 948-6260

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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. Chaiyaporn Boonchalermvichian 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 ID5698051381
PECOS Enrollment IDI20251030001398
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 Chaiyaporn Boonchalermvichian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Iu Health Medical Group, LLC
1,806 mi
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group
NPI 1326893777 (317) 962-2000

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

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health Ball Memorial Hospital

Acute Care Hospitals · Muncie, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150089
Location2401 University AveMuncie, IN 47303 · Delaware County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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. VINOD D PATEL M.D.
Internal Medicine
11480 BROOKSHIRE AVE, SUITE #204
DOWNEY, CA 90241
Los Angeles County (562) 862-2775
FRISCHER MEDICAL GROUP
Internal Medicine (Gastroenterology)
11480 BROOKSHIRE AVE, 200
DOWNEY, CA 90241
Los Angeles County (562) 806-0874
THE ONCOLOGY INSTITUTE OF HOPE AND INNOVATION
Internal Medicine (Hematology & Oncology)
11480 BROOKSHIRE AVE, SUITE 309
DOWNEY, CA 90241
Los Angeles County (562) 869-1201
DR. MICHAEL SHAOYI FANG M.D.
Internal Medicine (Nephrology)
11480 BROOKSHIRE AVE, STE 302
DOWNEY, CA 90241
Los Angeles County (626) 337-2265
LAUREN RAE GILLAN PA-C
Physician Assistant
11480 BROOKSHIRE AVE, SUITE 309
DOWNEY, CA 90241
Los Angeles County (562) 869-1201
NEIL E KLEIN MD A MEDICAL CORPORATION
Surgery (Plastic and Reconstructive Surgery)
11480 BROOKSHIRE AVE, SUITE 306
DOWNEY, CA 90241
Los Angeles County (562) 861-8246
JANESSA JAMES CREADO NP
Nurse Practitioner (Family)
11480 BROOKSHIRE AVE, SUITE 308
DOWNEY, CA 90241
Los Angeles County (562) 862-3656
RITA ROY M.D.
Pediatrics
11480 BROOKSHIRE AVE, SUITE 105
DOWNEY, CA 90241
Los Angeles County (562) 622-1100

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 Chaiyaporn Boonchalermvichian's NPI number?

The NPI number for Chaiyaporn Boonchalermvichian is 1801046867. It was assigned to this individual provider in the NPPES registry on September 26, 2008.

Where is Chaiyaporn Boonchalermvichian located?

Chaiyaporn Boonchalermvichian practices at 11480 Brookshire Ave Suite 309, Downey, CA 90241. The listed phone number is (562) 869-1201.

What is Chaiyaporn Boonchalermvichian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Chaiyaporn Boonchalermvichian enrolled in Medicare?

Yes. Chaiyaporn Boonchalermvichian 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 Chaiyaporn Boonchalermvichian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chaiyaporn Boonchalermvichian reassigns Medicare benefits to Iu Health Medical Group, LLC (Indianapolis, IN). 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 Chaiyaporn Boonchalermvichian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chaiyaporn Boonchalermvichian accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Chaiyaporn Boonchalermvichian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Chaiyaporn Boonchalermvichian affiliated with any hospitals?

According to CMS data, Chaiyaporn Boonchalermvichian is affiliated with Indiana University Health and Indiana University Health Ball Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Chaiyaporn Boonchalermvichian was last updated on October 24, 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.