DAVID HANBYUL CHANG PHARMD
NPI 1508783739
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Fairhaven, MA
NPI Status: Active since June 30, 2026
Contact Information
200 MILL RD
FAIRHAVEN, MA
ZIP 02719
Phone: (508) 973-2360
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Male
- Pharmacist
- Pharmacist Clinician (PhC)/ Clinical Pha...
About DAVID CHANG
This page provides the complete NPI Profile along with additional information for David Chang, a provider established in Fairhaven, Massachusetts with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1508783739 assigned on June 2026. The practitioner's primary taxonomy code is 1835P0018X with license number PH235996 (MA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1508783739
- Provider Name
- DAVID HANBYUL CHANG PHARMD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 200 MILL RD FAIRHAVEN, MA 02719
- Location Phone
- (508) 973-2360
- Mailing Address
- 200 MILL RD FAIRHAVEN, MA 02719
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-30-2026
- Last Update Date
- 06-30-2026
- Code Navigator
A pharmacist like David Chang fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.
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
Pharmacist Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
- Taxonomy Code
- 1835P0018X
- Type
- Pharmacy Service Providers
- License No.
- PH235996
- License State
- MA
- Taxonomy Description
- Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.
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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 1508783739, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
FAIRHAVEN, MA 02719
FAIRHAVEN, MA 02719
FAIRHAVEN, MA 02719
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1508783739, enumerated as an "individual" on June 30, 2026.
The provider is located at 200 MILL RD FAIRHAVEN, MA 02719 and the phone number is (508) 973-2360.
Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.
