DR. JOSEPH MICKLER PARKER M.D.
NPI 1700947694
Internal Medicine - Sleep Medicine in Washington, DC
NPI Status: Active since December 13, 2006
Contact Information
2 WRAMC DEPARTMENT
6900 GEORGIA AVE NW
WASHINGTON, DC
ZIP 20307
Phone: (202) 782-6205
- Individual
- Male
- Internal Medicine
- Sleep Medicine
About JOSEPH PARKER
This page provides the complete NPI Profile along with additional information for Joseph Parker, an internist established in Washington, District Of Columbia with a medical specialization in Internal Medicine, focusing in sleep medicine . The healthcare provider is registered in the NPI registry with number 1700947694 assigned on December 2006. The practitioner's primary taxonomy code is 207RS0012X with license number D0040171 (MD). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1700947694
- Provider Name
- DR. JOSEPH MICKLER PARKER M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2 WRAMC DEPARTMENT 6900 GEORGIA AVE NW WASHINGTON, DC 20307
- Location Phone
- (202) 782-6205
- Mailing Address
- 2 WRAMC ROOM 2J38 6900 GEORGIA AVE NW WASHINGTON, DC 20307
- Mailing Phone
- (202) 782-6205
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-13-2006
- Last Update Date
- 09-11-2025
- Code Navigator
An internist like Joseph Parker is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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
Internal Medicine Sleep Medicine
- Taxonomy Code
- 207RS0012X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D0040171
- License State
- MD
- Taxonomy Description
- An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
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 | 207RC0200X | Allopathic & Osteopathic Physicians | Internal Medicine | D0040171 (MD) |
| 2 | 207RP1001X | Allopathic & Osteopathic Physicians | Internal Medicine | D0040171 (MD) |
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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 1700947694, 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 19 providers are registered at the same or a nearby location.
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
WASHINGTON, DC 20307
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1700947694, enumerated as an "individual" on December 13, 2006.
The provider is located at 2 WRAMC DEPARTMENT 6900 GEORGIA AVE NW WASHINGTON, DC 20307 and the phone number is (202) 782-6205.
Internal Medicine with taxonomy code 207RS0012X and a focus in Sleep Medicine.
