DR. MARK GORDON GILCHRIST MD
NPI 1184625428
Pediatrics in Chelmsford, MA
NPI Status: Active since August 09, 2005
Contact Information
4 MEETING HOUSE RD
CHELMSFORD, MA
ZIP 01824
Phone: (978) 250-4081
Fax: (978) 250-3956
- Individual
- Male
- Pediatrics
- Accepts Insurance
- CLIA Number: 22D0678842
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 05-17-2027
About MARK GILCHRIST
This page provides the complete NPI Profile along with additional information for Mark Gilchrist, a pediatrician established in Chelmsford, Massachusetts with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1184625428 assigned on August 2005. The practitioner's primary taxonomy code is 208000000X with license number 223713 (MA). The provider is registered as an individual and his NPI record was last updated 17 years ago.
- NPI
- 1184625428
- Provider Name
- DR. MARK GORDON GILCHRIST MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4 MEETING HOUSE RD CHELMSFORD, MA 01824
- Location Phone
- (978) 250-4081
- Location Fax
- (978) 250-3956
- Mailing Address
- 4 MEETING HOUSE RD CHELMSFORD, MA 01824
- Mailing Phone
- (978) 250-4081
- Mailing Fax
- (978) 250-3956
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-09-2005
- Last Update Date
- 12-30-2008
- Code Navigator
A pediatrician like Mark Gilchrist is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.
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
Pediatrics
- Taxonomy Code
- 208000000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 223713
- License State
- MA
- Taxonomy Description
- A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
- Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
- Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
- Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
- Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
- Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
- Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
- Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
- Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
- Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
- Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
- Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
- Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
- Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
- Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
- Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
- Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
- Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
- Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
- Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 22D0678842
- Facility Type
- Physician Office
- Certificate Effective Date
- May 18, 2025
- Certificate Expiration Date
- May 17, 2027
- Laboratory Director
- MARK G. GILCHRIST
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Mark Gilchrist to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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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 1184625428, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
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 52 is 60. 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.
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1184625428, enumerated as an "individual" on August 09, 2005.
The provider is located at 4 MEETING HOUSE RD CHELMSFORD, MA 01824 and the phone number is (978) 250-4081.
Pediatrics with taxonomy code 208000000X.
The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield. Please consult your insurance carrier or call the provider to verify.
