DR. TOM S CHIANG M.D.
NPI 1346345758
Internal Medicine - Infectious Disease in Mission Hills, CA

Q: What is Tom Chiang's NPI number?

The NPI number for Tom Chiang is 1346345758. It was assigned to this individual provider in the NPPES registry on September 13, 2006. The provider is also known as Dr. Tom Chiang MD.

Q: What is Tom Chiang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Tom Chiang was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 September 13, 2006PECOS EnrolledAccepts Medicare Assignment

11333 SEPULVEDA BLVD, MISSION HILLS, CA 91345(818) 365-9531 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 22, 2020, Jul 13, 2016, May 19, 2016 (3 updates tracked since 2016).

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About Dr. Tom S Chiang M.d. NPPES

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

DR. TOM S CHIANG M.D. (NPI 1346345758) is an individual infectious disease provider in Mission Hills, California, licensed in California (C129801) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1346345758

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. TOM S CHIANGCredential: M.D.

Location Address11333 SEPULVEDA BLVDMission Hills, CA 91345-1116

Mailing AddressPo Box 9602Mission Hills, CA 91346-9602 · (818) 837-5559 · Fax (818) 792-4793

Phone(818) 365-9531

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateSeptember 13, 2006

Last NPPES UpdateApril 25, 20253 updates tracked since enumeration

NPPES CertifiedApril 25, 2025

✔ NPI 1346345758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

Licenses✔ Licensed in CA · C129801✔ Licensed in NJ · 25MA08172900

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License C12801 (CA)

11333 SEPULVEDA BLVD, Mission Hills, CA 91345

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Other Names 1

Professional Name (2)Dr. Tom Chiang Md

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

Dr. Tom S Chiang 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 ID3274721402

PECOS Enrollment IDI20141114001896

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 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.

432 services81 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 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.

87 services78 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91345 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.

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