DR. SEAN CHRISTOPHER MEEHAN D.M.D.
NPI 1740281724
Oral Medicine in Philadelphia, PA
NPI Status: Active since August 02, 2005
Contact Information
240 S 40TH ST
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 746-7982
- Individual
- Male
- Oral Medicine
About SEAN MEEHAN
This page provides the complete NPI Profile along with additional information for Sean Meehan, a provider established in Philadelphia, Pennsylvania with a medical specialization in Oral Medicine. The healthcare provider is registered in the NPI registry with number 1740281724 assigned on August 2005. The practitioner's primary taxonomy code is 125Q00000X with license number DS-028464-L (PA). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1740281724
- Provider Name
- DR. SEAN CHRISTOPHER MEEHAN D.M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 240 S 40TH ST PHILADELPHIA, PA 19104
- Location Phone
- (215) 746-7982
- Mailing Address
- 240 S 40TH ST PHILADELPHIA, PA 19104
- Mailing Phone
- (215) 746-7982
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-02-2005
- Last Update Date
- 04-26-2026
- 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
Oral Medicine
- Taxonomy Code
- 125Q00000X
- Type
- Dental Providers
- License No.
- DS-028464-L
- License State
- PA
- Taxonomy Description
- Oral Medicine is the specialty of dentistry responsible for the oral health care of medically complex patients and for the diagnosis and management of medically related diseases, disorders and conditions affecting the oral and maxillofacial region. Oral Medicine specialists have training and expertise in the diagnosis and management of oral and mucosal diseases, medical management of maxillofacial pathologies from hematology and oncology, organ transplant services, autoimmune disorders, including acute and chronic pain conditions of oral & maxillofacial region. Oral Medicine specialists co-manage oral and maxillofacial conditions and diseases in collaboration with medical specialists and other dentists in hospitals and outpatient medical clinics, particularly in the management of patients with complex medical conditions requiring multidisciplinary healthcare intervention.
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 | 1223G0001X | Dental Providers | Dentist | 12911 (NC) |
| 2 | 1223G0001X | Dental Providers | Dentist | 3019-97 (MS) |
| 3 | 1223G0001X | Dental Providers | Dentist | DS-028464-L (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 1740281724, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. 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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1740281724, enumerated as an "individual" on August 02, 2005.
The provider is located at 240 S 40TH ST PHILADELPHIA, PA 19104 and the phone number is (215) 746-7982.
Oral Medicine with taxonomy code 125Q00000X.
