DR. WALAILUK CHAIYARAT MD NPI 1811140478

NPI Information

  • NPI: 1811140478
  • Provider Name: DR. WALAILUK CHAIYARAT, MD
  • Classification: Internal Medicine - 207RH0003X
  • Specialization: Hematology & Oncology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 2571 PARK AVE
    CONCORD, CA
    ZIP 94520
  • Phone: (925) 674-2100

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NPI Details

DR. Walailuk Chaiyarat, MD is a hematology and oncology internal medicine in Concord, CA with 26 years of experience. The provider is 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. DR. Walailuk Chaiyarat, MD NPI is 1811140478. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

2571 PARK AVE
CONCORD, CA
ZIP 94520-901
Phone: (925) 674-2100

The NPI 1811140478 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram (HCPCS:Q5101)
  • Injection, fosaprepitant, 1 mg (HCPCS:J1453)
  • Injection, pembrolizumab, 1 mg (HCPCS:J9271)
  • Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS:Q0138)
  • Injection, denosumab, 1 mg (HCPCS:J0897)
  • Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS:Q5106)
  • Injection, dexamethasone sodium phosphate, 1 mg (HCPCS:J1100)
  • Injection, palonosetron hcl, 25 mcg (HCPCS:J2469)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Injection, fluorouracil, 500 mg (HCPCS:J9190)
  • Injection, pegfilgrastim, excludes biosimilar, 0.5 mg (HCPCS:J2506)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Injection, carboplatin, 50 mg (HCPCS:J9045)
  • Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less (HCPCS:96367)
  • Infusion into a vein for hydration, each additional hour (HCPCS:96361)
  • Injection of additional new drug or substance into vein (HCPCS:96375)
  • Administration of chemotherapy into vein, 1 hour or less (HCPCS:96413)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Infusion, normal saline solution , 1000 cc (HCPCS:J7030)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (HCPCS:96365)
  • Infusion into a vein for hydration, 31-60 minutes (HCPCS:96360)
  • Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (HCPCS:J3420)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Injection, diphenhydramine hcl, up to 50 mg (HCPCS:J1200)
  • Infusion, normal saline solution, 250 cc (HCPCS:J7050)
  • Administration of chemotherapy into vein, each additional hour (HCPCS:96415)
  • Administration of additional new drug or substance into vein, 1 hour or less (HCPCS:96417)
  • Injection, hydromorphone, up to 4 mg (HCPCS:J1170)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
  • Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion (HCPCS:96368)
  • Infusion into a vein for therapy, prevention, or diagnosis, each additional hour (HCPCS:96366)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)
  • Irrigation of implanted venous access drug delivery device (HCPCS:96523)
  • Administration of additional new drug or substance into vein using push technique (HCPCS:96411)
  • Injection of drug or substance into vein (HCPCS:96374)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Administration of prolonged chemotherapy into vein (HCPCS:96416)
  • Injection, furosemide, up to 20 mg (HCPCS:J1940)
  • Application of on-body injector for under skin injection (HCPCS:96377)
  • Injection, lorazepam, 2 mg (HCPCS:J2060)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • Telephone medical discussion with physician, 21-30 minutes (HCPCS:99443)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Follow-up hospital inpatient care per day, typically 15 minutes (HCPCS:99231)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS:38222)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)

The enumeration date for this NPI number is 10/28/2008 and was last updated on 6/11/2019.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RH0003XInternal MedicineHematology & OncologyA117301CALIFORNIAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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