JOHN WARREN SULLIVAN MD
NPI 1275506578
Psychiatry & Neurology - Clinical Neurophysiology in Longmeadow, MA
NPI Status: Active since February 08, 2006
Contact Information
175 DWIGHT RD
STE 301
LONGMEADOW, MA
ZIP 01106
Phone: (413) 737-4746
Fax: (413) 565-2297
- Individual
- Male
- Psychiatry & Neurology
- Clinical Neurophysiology
About JOHN SULLIVAN
This page provides the complete NPI Profile along with additional information for John Sullivan, a provider established in Longmeadow, Massachusetts with a medical specialization in Psychiatry & Neurology, focusing in clinical neurophysiology . The healthcare provider is registered in the NPI registry with number 1275506578 assigned on February 2006. The practitioner's primary taxonomy code is 2084N0600X with license number 35840 (MA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1275506578
- Provider Name
- JOHN WARREN SULLIVAN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 175 DWIGHT RD STE 301 LONGMEADOW, MA 01106
- Location Phone
- (413) 737-4746
- Location Fax
- (413) 565-2297
- Mailing Address
- 175 DWIGHT RD STE 301 LONGMEADOW, MA 01106
- Mailing Phone
- (413) 737-4746
- Mailing Fax
- (413) 565-2297
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-08-2006
- 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
Psychiatry & Neurology Clinical Neurophysiology
- Taxonomy Code
- 2084N0600X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 35840
- License State
- MA
- Taxonomy Description
- Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
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 | 2084N0400X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | 35840 (MA) |
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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 1275506578, 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.
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1275506578, enumerated as an "individual" on February 08, 2006.
The provider is located at 175 DWIGHT RD STE 301 LONGMEADOW, MA 01106 and the phone number is (413) 737-4746.
Psychiatry & Neurology with taxonomy code 2084N0600X and a focus in Clinical Neurophysiology.
