Fairfax Lung Center PC
NPI 1790951994 · Pulmonary Disease Physician · Fairfax, VA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fairfax Lung Center PC is a Pulmonary Disease Physician organization in Fairfax, VA (NPI 1790951994).
Provider details
- NPI number
- 1790951994
- Entity type
- Organization
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Hartzell, President(703) 389-1027
- License
- 101239857 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-07
- Last updated
- 2009-02-02
Frequently asked questions
- What is Fairfax Lung Center PC's NPI number?
- Fairfax Lung Center PC's National Provider Identifier (NPI) is 1790951994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Fairfax Lung Center PC?
- Fairfax Lung Center PC is classified in the NPPES registry as Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Fairfax Lung Center PC located?
- Fairfax Lung Center PC's practice location on file with NPPES is 3650 Joseph Siewick Dr, Fairfax, VA 22033-1710.
- What is Fairfax Lung Center PC's phone number?
- The practice phone number listed in the NPPES registry for Fairfax Lung Center PC is (703) 389-1027.
- Does Fairfax Lung Center PC accept Medicare?
- Fairfax Lung Center PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Fairfax Lung Center PC?
- The authorized official listed on Fairfax Lung Center PC's NPPES record is William Hartzell, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Fairfax Lung Center PC's NPI active?
- Yes — Fairfax Lung Center PC's NPI (1790951994) is active in the NPPES registry as of the last update on 2009-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.