DAVID L MERRIFIELD JR. MD
NPI 1770666018
Emergency Medicine in Johnson City, TN
NPI Status: Active since October 23, 2006
Contact Information
401 PRINCETON RD
JOHNSON CITY, TN
ZIP 37601
Phone: (423) 854-5880
Fax: (423) 854-5685
- Individual
- Male
- Emergency Medicine
About DAVID MERRIFIELD
This page provides the complete NPI Profile along with additional information for David Merrifield, a provider established in Johnson City, Tennessee with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1770666018 assigned on October 2006. The practitioner's primary taxonomy code is 207P00000X with license number 26618 (TN). The provider is registered as an individual and his NPI record was last updated 15 years ago.
- NPI
- 1770666018
- Provider Name
- DAVID L MERRIFIELD JR. MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 401 PRINCETON RD JOHNSON CITY, TN 37601
- Location Phone
- (423) 854-5880
- Location Fax
- (423) 854-5685
- Mailing Address
- PO BOX 5789 JOHNSON CITY, TN 37602
- Mailing Phone
- (423) 915-1126
- Mailing Fax
- (423) 854-5685
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-23-2006
- Last Update Date
- 03-25-2011
- 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
- Taxonomy Code
- 207P00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 26618
- License State
- TN
- Taxonomy Description
- An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 1510289 | MEDICAID (05) | TN | |
| 10393I8420 | MEDICARE PIN (08) | TN | |
| 7100143500 | MEDICAID (05) | KY | |
| G64318 | MEDICARE UPIN (02) | ||
| 3818081 | MEDICARE ID-TYPE UNSPECIFIED (04) | TN | |
| 3818081 | MEDICAID (05) | TN |
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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 1770666018, 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 5 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770666018, enumerated as an "individual" on October 23, 2006.
The provider is located at 401 PRINCETON RD JOHNSON CITY, TN 37601 and the phone number is (423) 854-5880.
Emergency Medicine with taxonomy code 207P00000X.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
