JOHN CHRISTOPHER DANIEL MD
NPI 1558345918
Family Medicine - Adolescent Medicine in Groton, CT
NPI Status: Active since November 30, 2005
Contact Information
TROUT AVE BLDG 141
NAVAL SUBMARINE MEDICAL RESEARCH LABORATORY
GROTON, CT
ZIP 06349
Phone: (860) 694-2377
Fax: (860) 694-3590
- Individual
- Male
- Family Medicine
- Adolescent Medicine
About JOHN DANIEL
This page provides the complete NPI Profile along with additional information for John Daniel, a primary care provider established in Groton, Connecticut with a medical specialization in Family Medicine, focusing in adolescent medicine . The healthcare provider is registered in the NPI registry with number 1558345918 assigned on November 2005. The practitioner's primary taxonomy code is 207QA0000X with license number MD034609E (PA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1558345918
- Provider Name
- JOHN CHRISTOPHER DANIEL MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- TROUT AVE BLDG 141 NAVAL SUBMARINE MEDICAL RESEARCH LABORATORY GROTON, CT 06349
- Location Phone
- (860) 694-2377
- Location Fax
- (860) 694-3590
- Mailing Address
- ROUTE 12 BLDG 449 NAVAL HEALTH CARE NEW ENGLAND ATTN PROFESSIONAL AFFAIRS GROTON, CT 06349
- Mailing Phone
- (860) 694-2377
- Mailing Fax
- (860) 694-3590
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-30-2005
- Last Update Date
- 09-11-2025
- Code Navigator
A primary care provider (PCP) like John Daniel sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
Family Medicine Adolescent Medicine
- Taxonomy Code
- 207QA0000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD034609E
- License State
- PA
- Taxonomy Description
- A family medicine physician with multidisciplinary training in the unique physical, psychological and social characteristics of adolescents and their health care problems and needs.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207Q00000X | Allopathic & Osteopathic Physicians | Family Medicine | MD034609E (PA) |
| 2 | 2083A0100X | Allopathic & Osteopathic Physicians | Preventive Medicine | MD034609E (PA) |
| 3 | 208D00000X | Allopathic & Osteopathic Physicians | General Practice | MD034609E (PA) |
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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 1558345918, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558345918, enumerated as an "individual" on November 30, 2005.
The provider is located at TROUT AVE BLDG 141 NAVAL SUBMARINE MEDICAL RESEARCH LABORATORY GROTON, CT 06349 and the phone number is (860) 694-2377.
Family Medicine with taxonomy code 207QA0000X and a focus in Adolescent Medicine.
