William J Cullen MD LLC
NPI 1710212865 · Internal Medicine Physician · Silver Spring, MD
William J Cullen MD LLC is a Internal Medicine Physician organization in Silver Spring, MD (NPI 1710212865).
Provider details
- NPI number
- 1710212865
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Cullen, Ceo(301) 332-4817
- License
- D51779 (MD)
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
16 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
- 2009-10-07
- Last updated
- 2009-10-07
Frequently asked questions
- What is William J Cullen MD LLC's NPI number?
- William J Cullen MD LLC's National Provider Identifier (NPI) is 1710212865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William J Cullen MD LLC?
- William J Cullen MD LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William J Cullen MD LLC located?
- William J Cullen MD LLC's practice location on file with NPPES is 9509 Thornhill Rd, Silver Spring, MD 20901-4835.
- What is William J Cullen MD LLC's phone number?
- The practice phone number listed in the NPPES registry for William J Cullen MD LLC is (301) 332-4817.
- Who is the authorized official for William J Cullen MD LLC?
- The authorized official listed on William J Cullen MD LLC's NPPES record is William Cullen, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William J Cullen MD LLC's NPI active?
- Yes — William J Cullen MD LLC's NPI (1710212865) is active in the NPPES registry as of the last update on 2009-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.