DR. MATTHEW STEWART CHANG M.D.
NPI 1750571683
Psychiatry & Neurology - Psychiatry in Redlands, CA

NPI Status: Active since July 26, 2007

Contact Information

255 TERRACINA BLVD
SUITE 204
REDLANDS, CA
ZIP 92373
Phone: (310) 359-8960

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry
  • PECOS Enrolled

About MATTHEW CHANG

This page provides the complete NPI Profile along with additional information for Matthew Chang, a provider established in Redlands, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1750571683 assigned on July 2007. The practitioner's primary taxonomy code is 2084P0800X with license number A105949 (CA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1750571683
Provider Name
DR. MATTHEW STEWART CHANG M.D.
Gender
Male
Entity Type
Individual
Location Address
255 TERRACINA BLVD SUITE 204 REDLANDS, CA 92373
Location Phone
(310) 359-8960
Mailing Address
255 TERRACINA BLVD REDLANDS, CA 92373
Mailing Phone
(310) 359-8960
Is Sole Proprietor?
Yes
Enumeration Date
07-26-2007
Last Update Date
03-27-2013
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A psychiatrist like Matthew Chang are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

Location Map

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
A105949
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Medicare Participation & PECOS Enrollment Status

Matthew Chang 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

  • 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

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 92373 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $179.42
  • Minimum New Patient Price $59.6
  • Maximum New Patient Price $179.42
  • Average New Patient Copayment $44.85
  • Minimum New Patient Copayment $14.9
  • Maximum New Patient Copayment $44.85

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $74.08
  • Minimum Established Patient Price $19.37
  • Maximum Established Patient Price $146.42
  • Average Established Patient Copayment $18.52
  • Minimum Established Patient Copayment $4.84
  • Maximum Established Patient Copayment $36.6

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for DR. MATTHEW STEWART CHANG M.D.

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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 1750571683, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
7
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 5 → 10 → 1 5 → 10 → 1 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 0 + 0 + 1 + 0 + 7 + 2 + 6 + 1 + 6 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1750571683.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Otolaryngology
255 TERRACINA BLVD, SUITE 201
REDLANDS, CA 92373
Obstetrics & Gynecology
255 TERRACINA BLVD, SUITE 202
REDLANDS, CA 92373
Specialist
255 TERRACINA BLVD, SUITE 201
REDLANDS, CA 92373
Obstetrics & Gynecology
255 TERRACINA BLVD, SUITE 202
REDLANDS, CA 92373
Internal Medicine
255 TERRACINA BLVD, STE# 101A & B
REDLANDS, CA 92373
Psychiatry & Neurology (Psychiatry)
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373
Dietitian, Registered
255 TERRACINA BLVD, SUITE 202
REDLANDS, CA 92373
Marriage & Family Therapist
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373
Physician Assistant (Medical)
255 TERRACINA BLVD, SUITE 101A
REDLANDS, CA 92373
Marriage & Family Therapist
255 TERRACINA BLVD, 204
REDLANDS, CA 92373
Social Worker (Clinical)
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373
Marriage & Family Therapist
255 TERRACINA BLVD, SUITE # 204
REDLANDS, CA 92373
Social Worker (Clinical)
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373
Dermatology (Dermatopathology)
255 TERRACINA BLVD, STE 206
REDLANDS, CA 92373
Family Medicine
255 TERRACINA BLVD, STE. 105
REDLANDS, CA 92373
Family Medicine
255 TERRACINA BLVD, STE. 105
REDLANDS, CA 92373
Nurse Practitioner
255 TERRACINA BLVD, SUITE 205A
REDLANDS, CA 92373
Social Worker (Clinical)
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373
Psychiatry & Neurology (Psychiatry)
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373
Marriage & Family Therapist
255 TERRACINA BLVD, SUITE 204
REDLANDS, CA 92373

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1750571683, enumerated as an "individual" on July 26, 2007.

The provider is located at 255 TERRACINA BLVD SUITE 204 REDLANDS, CA 92373 and the phone number is (310) 359-8960.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.