HCA HEALTH SERVICES OF NEW HAMPSHIRE, INC.
NPI 1821929555
Clinic/Center - Radiology, Mammography in Portsmouth, NH
NPI Status: Active since May 29, 2026
Contact Information
155 BORTHWICK AVE STE 101
PORTSMOUTH, NH
ZIP 03801
Phone: (615) 344-9551
This NPI profile has been added to the NPI registry within the last 30 days.
- Organization
- Clinic/Center
- Radiology, Mammography
About HCA HEALTH SERVICES OF NEW HAMPSHIRE, INC.
This page provides the complete NPI Profile along with additional information for Hca Health Services Of New Hampshire, Inc., a provider established in Portsmouth, New Hampshire operating as a Clinic/center, focusing in radiology, mammography . The healthcare provider is registered in the NPI registry with number 1821929555 assigned on May 2026. The practitioner's primary taxonomy code is 261QR0206X. The provider is registered as an organization and their NPI record was last updated May 2026. The authorized official of this NPI record is Haley Biggers (Cfo)
- NPI
- 1821929555
- Provider Name
- HCA HEALTH SERVICES OF NEW HAMPSHIRE, INC.
- Entity Type
- Organization
- Location Address
- 155 BORTHWICK AVE STE 101 PORTSMOUTH, NH 03801
- Location Phone
- (615) 344-9551
- Mailing Address
- 155 BORTHWICK AVE STE 101 PORTSMOUTH, NH 03801
- Mailing Phone
- (615) 344-9551
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- Yes
- Enumeration Date
- 05-29-2026
- Last Update Date
- 05-29-2026
- Code Navigator
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
Clinic/Center Radiology, Mammography
- Taxonomy Code
- 261QR0206X
- Type
- Ambulatory Health Care Facilities
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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 1821929555, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821929555, enumerated as an "organization" on May 29, 2026.
The provider is located at 155 BORTHWICK AVE STE 101 PORTSMOUTH, NH 03801 and the phone number is (615) 344-9551.
Clinic/Center with taxonomy code 261QR0206X and a focus in Radiology, Mammography.
