DR. MARK S. HSIAO M.D.
NPI 1114008984
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Alhambra, CA

NPI Status: Active since October 18, 2006

Contact Information

707 S GARFIELD AVE FL 2
ALHAMBRA, CA
ZIP 91801
Phone: (626) 282-1600
Fax: (626) 656-1264

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  • Individual
  • Male
  • Years of Experience 15
  • Orthopaedic Surgery
  • Orthopaedic Surgery of the Spine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARK HSIAO

This page provides the complete NPI Profile along with additional information for Mark Hsiao, a provider established in Alhambra, California with a medical specialization in Orthopaedic Surgery, focusing in orthopaedic surgery of the spine and more than 15 years of experience. He graduated from Creighton University School Of Medicine in 2011. The healthcare provider is registered in the NPI registry with number 1114008984 assigned on October 2006. The practitioner's primary taxonomy code is 207XS0117X with license number MD61024463 (WA). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1114008984
Provider Name
DR. MARK S. HSIAO M.D.
Gender
Male
Entity Type
Individual
Location Address
707 S GARFIELD AVE FL 2 ALHAMBRA, CA 91801
Location Phone
(626) 282-1600
Location Fax
(626) 656-1264
Mailing Address
PO BOX 50095 SEATTLE, WA 98145
Medical School Name
CREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2011
Is Sole Proprietor?
No
Enumeration Date
10-18-2006
Last Update Date
05-07-2024
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Location Map

Secondary Locations

  • 325 9th Ave
    Seattle, WA 98104
    (206) 520-5000

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Orthopaedic Surgery Orthopaedic Surgery of the Spine

Taxonomy Code
207XS0117X
Type
Allopathic & Osteopathic Physicians
License No.
MD61024463
License State
WA
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

Medicare Participation & PECOS Enrollment Status

Mark Hsiao is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Mark Hsiao is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8426066184

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20220930000958

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care

Electrical stimulation is a therapy method where mild electrical pulses are used to treat pain or stimulate muscles in certain areas. It's not for wound care but is part of a broader therapy plan. It's safe, non-invasive, and can help improve overall health.

This service was performed 88 times for 29 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 36 times for 35 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 219 times for 184 patients

Evaluation for physical therapy, typically 20 minutes

An evaluation for physical therapy is a short, 20-minute assessment where your physical condition, mobility, and pain levels are examined. This helps in designing a personalized therapy plan to enhance your physical function and well-being.

This service was performed 14 times for 14 patients

Follow-up hospital inpatient care per day, typically 15 minutes

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

This service was performed 30 times for 14 patients

Fusion of additional segment of spine

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

This service was performed 53 times for 13 patients

Hip replacement

A hip replacement is a surgical procedure where a worn-out or damaged hip joint is replaced with an artificial one. This procedure can greatly reduce pain and improve mobility. It's often recommended when other treatments like physical therapy or medications fail to alleviate symptoms.

This service was performed for 1-10 patients

Initial hospital inpatient care per day, typically 30 minutes

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

This service was performed 21 times for 21 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 18 times for 18 patients

Laminectomy or laminotomy (partial removal of spine bones)

A laminectomy or laminotomy is a surgical procedure that involves removing part of the bone in your spine, specifically the lamina, to alleviate pressure on your spinal cord or nerves. This can help reduce pain and improve mobility if you're suffering from conditions like herniated discs or spinal stenosis.

This service was performed for 1-10 patients

Lower limb (leg) arthroscopy (minimally invasive joint repair)

Lower limb arthroscopy is a minimally invasive procedure that allows doctors to examine and repair issues in your leg joints. It involves making small incisions through which a tiny camera and instruments are inserted. This technique can help diagnose and treat various joint problems with less pain and quicker recovery time.

This service was performed for 1-10 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 73 times for 73 patients

Placement of stabilizing device to back, 3-6 spine bone segments

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

This service was performed 11 times for 11 patients

Spinal fusion

Spinal fusion is a surgical procedure aimed at connecting two or more vertebrae in your spine to reduce pain and improve stability. It involves using a bone graft to cause the vertebrae to grow together, limiting the movement between them. This procedure is often performed to treat conditions like herniated discs or spinal stenosis.

This service was performed for 19 patients

Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes

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.

This service was performed 79 times for 29 patients

Therapy procedure using manual technique, each 15 minutes

This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.

This service was performed 43 times for 21 patients

X-ray of knee, 3 views

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

This service was performed 18 times for 12 patients

X-ray of lower and sacral spine, 2-3 views

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

This service was performed 121 times for 119 patients

X-ray of shoulder, minimum of 2 views

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

This service was performed 17 times for 13 patients

X-ray of upper spine, 2-3 views

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

This service was performed 30 times for 30 patients

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1114008984, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 0 → 0 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 2 + 4 + 0 + 0 + 1 + 6 + 9 + 1 + 6 + 24 = 56

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1114008984.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Orthopaedic Surgery (Foot and Ankle Surgery)
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801
Physician Assistant (Surgical)
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801
Physician Assistant
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801
Physician Assistant (Surgical)
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801
Orthopaedic Surgery
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801
Orthopaedic Surgery (Sports Medicine)
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 91801

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114008984, enumerated as an "individual" on October 18, 2006.

The provider is located at 707 S GARFIELD AVE FL 2 ALHAMBRA, CA 91801 and the phone number is (626) 282-1600.

Orthopaedic Surgery with taxonomy code 207XS0117X and a focus in Orthopaedic Surgery of the Spine.