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DR. TOM GIANG M.D.
NPI 1669668901
Internal Medicine in Monterey Park, CA

Active since September 20, 2007PECOS EnrolledAccepts Medicare Assignment
600 N GARFIELD AVE, STE 100, MONTEREY PARK, CA 91754(626) 280-2533(626) 280-8513 Get Directions Write a Review

NPPES record last updated: September 20, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Tom Giang M.d. NPPES

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

DR. TOM GIANG M.D. (NPI 1669668901) is an individual internal medicine provider in Monterey Park, California, licensed in California (A47871) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1669668901
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TOM GIANGCredential: M.D.
Location Address600 N GARFIELD AVE, STE 100Monterey Park, CA 91754-1166
Mailing Address600 N Garfield Ave, Ste 100Monterey Park, CA 91754-1166 · (626) 280-2533 · Fax (626) 280-8513
Phone(626) 280-2533
Fax(626) 280-8513
Sole ProprietorYes
Medical School CMSOtherGraduated 1982
Enumeration DateSeptember 20, 2007
✔ NPI 1669668901 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 · A47871
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.
600 N GARFIELD AVE, Monterey Park, CA 91754
Open in Google Maps ↗

Other Identifiers 2

Medicare PINA47871CA
Medicare UPINC63942CA

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. Tom Giang 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 ID3072539261
PECOS Enrollment IDI20051017001130
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 Tom Giang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Holistic Medical Group Corporation
0.7 mi
Neuromusculoskeletal Medicine & OMM
405 N GARFIELD AVE
Monterey Park, CA 91754
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1417032004 (626) 280-4884

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 5

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.

Application of electrical stimulation with therapist present, each 15 minutes 97032
Electrical stimulation is a therapeutic treatment that sends light electrical pulses to a specific area of your body. This is done under the supervision of a therapist for 15-minute intervals. It can reduce pain, stimulate muscles, and improve circulation.
598 services14 patients
Application of ultrasound, each 15 minutes 97035
Ultrasound is a medical procedure that uses high-frequency sound waves to capture live images from inside your body. It's a painless process typically lasting 15 minutes per session. This method aids in diagnosing conditions and monitoring health without any radiation exposure.
598 services14 patients
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
595 services14 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.
131 services14 patients
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.
62 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91754 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.

LI ZHOU LAC
Acupuncturist
600 N GARFIELD AVE, SUITE 100
MONTEREY PARK, CA 91754
Los Angeles County (626) 289-6616
HUO CHEN, M.D.
Specialist
600 N GARFIELD AVE, SUITE 105
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-9269
ERIC S.P. CHAN, M.D., INC.
Obstetrics & Gynecology
600 N GARFIELD AVE, 312
MONTEREY PARK, CA 91754
Los Angeles County (626) 927-0874
LYNN JIE XU NP
Nurse Practitioner (Adult Health)
600 N GARFIELD AVE, 105
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-9269
NA CHOU NP-C
Nurse Practitioner (Family)
600 N GARFIELD AVE, SUITE 308
MONTEREY PARK, CA 91754
Los Angeles County (626) 288-0889
M.D. MEDICAL CENTER, INC
Family Medicine
600 N GARFIELD AVE, SUITE 111
MONTEREY PARK, CA 91754
Los Angeles County (626) 280-3651
KUAN I WANG MD
Obstetrics & Gynecology
600 N GARFIELD AVE, #309
MONTEREY PARK, CA 91754
Los Angeles County (626) 288-0123
DR. HUO CHEN M.D.
Specialist
600 N GARFIELD AVE, SUITE 105
MONTEREY PARK, CA 91754
Los Angeles County (626) 307-9269

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 Tom Giang's NPI number?

The NPI number for Tom Giang is 1669668901. It was assigned to this individual provider in the NPPES registry on September 20, 2007.

Where is Tom Giang located?

Tom Giang practices at 600 N Garfield Ave Ste 100, Monterey Park, CA 91754. The listed phone number is (626) 280-2533.

What is Tom Giang's specialty?

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

Is Tom Giang enrolled in Medicare?

Yes. Tom Giang 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 Tom Giang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tom Giang reassigns Medicare benefits to Holistic Medical Group Corporation (Monterey Park, 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 Tom Giang'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 Tom Giang was last updated on September 20, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.