DR. JOHN LOUIS GEESLIN M.D.
NPI 1952510604
Emergency Medicine - Hospice and Palliative Medicine in Mount Dora, FL
NPI Status: Active since May 21, 2007
Contact Information
970 FAIRVIEW AVE
MOUNT DORA, FL
ZIP 32757
Phone: (352) 383-8976
- Individual
- Male
- Emergency Medicine
- Hospice and Palliative Medicine
About JOHN GEESLIN
This page provides the complete NPI Profile along with additional information for John Geeslin, a provider established in Mount Dora, Florida with a medical specialization in Emergency Medicine, focusing in hospice and palliative medicine . The healthcare provider is registered in the NPI registry with number 1952510604 assigned on May 2007. The practitioner's primary taxonomy code is 207PH0002X with license number 19637 (FL). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1952510604
- Provider Name
- DR. JOHN LOUIS GEESLIN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 970 FAIRVIEW AVE MOUNT DORA, FL 32757
- Location Phone
- (352) 383-8976
- Mailing Address
- 970 FAIRVIEW AVE MOUNT DORA, FL 32757
- Mailing Phone
- (352) 383-8976
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-21-2007
- Last Update Date
- 09-11-2025
- 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
Emergency Medicine Hospice and Palliative Medicine
- Taxonomy Code
- 207PH0002X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 19637
- License State
- FL
- Taxonomy Description
- An emergency medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
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 | 174400000X | Other Service Providers | Specialist | 19637 (FL) |
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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 1952510604, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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 46 is 50. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1952510604, enumerated as an "individual" on May 21, 2007.
The provider is located at 970 FAIRVIEW AVE MOUNT DORA, FL 32757 and the phone number is (352) 383-8976.
Emergency Medicine with taxonomy code 207PH0002X and a focus in Hospice and Palliative Medicine.
