FAIRFAX FAMILY PRACTICE CENTERS PC
NPI 1205944964
Family Medicine in Herndon, VA
NPI Status: Active since August 25, 2006
Contact Information
381 ELDEN ST STE 1000
HERNDON, VA
ZIP 20170
Phone: (703) 481-1505
Fax: (703) 742-8793
- Organization
- Family Medicine
- CLIA Number: 49D0222068
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 03-29-2027
About FAIRFAX FAMILY PRACTICE CENTERS PC
This page provides the complete NPI Profile along with additional information for Fairfax Family Practice Centers Pc, a primary care provider established in Herndon, Virginia operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1205944964 assigned on August 2006. The practitioner's primary taxonomy code is 207Q00000X. The provider is registered as an organization and their NPI record was last updated February 2026. Fairfax Family Practice Centers Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is David W Lee Md (President)
- NPI
- 1205944964
- Provider Name
- FAIRFAX FAMILY PRACTICE CENTERS PC
- Entity Type
- Organization
- Location Address
- 381 ELDEN ST STE 1000 HERNDON, VA 20170
- Location Phone
- (703) 481-1505
- Location Fax
- (703) 742-8793
- Mailing Address
- 381 ELDEN ST STE 1000 HERNDON, VA 20170
- Mailing Phone
- (703) 481-1505
- Mailing Fax
- (703) 742-8793
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-25-2006
- Last Update Date
- 02-09-2026
- Code Navigator
A primary care provider (PCP) like Fairfax Family Practice Centers Pc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
Family Medicine
- Taxonomy Code
- 207Q00000X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
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 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 2 | 261QP2000X | Ambulatory Health Care Facilities | Clinic/Center | |
| 3 | 363A00000X | Physician Assistants & Advanced Practice Nursing Providers | Physician Assistant | |
| 4 | 363LF0000X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner |
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 49D0222068
- Facility Type
- Physician Office
- Certificate Effective Date
- March 30, 2025
- Certificate Expiration Date
- March 29, 2027
- Laboratory Director
- THOMAS EHRILCH
- Certificate Type
- Certificate for Provider-Performed Microscopy Procedures (PPMP)
- Certificate Type Description
- This CLIA certificate is issued to Fairfax Family Practice Centers Pc in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.
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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 1205944964, 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 10 providers are registered at the same or a nearby location.
HERNDON, VA 20170
HERNDON, VA 20170
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1205944964, enumerated as an "organization" on August 25, 2006.
The provider is located at 381 ELDEN ST STE 1000 HERNDON, VA 20170 and the phone number is (703) 481-1505.
Family Medicine with taxonomy code 207Q00000X.
