Clifford Cloonan, MD
NPI 1003854753 · Emergency Medicine Physician · Mechanicsburg, PA
Clifford Cloonan, MD is a Emergency Medicine Physician provider in Mechanicsburg, PA (NPI 1003854753).
Provider details
- NPI number
- 1003854753
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD423158 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-03
- Last updated
- 2018-01-26
Frequently asked questions
- What is Clifford Cloonan's NPI number?
- Clifford Cloonan's National Provider Identifier (NPI) is 1003854753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Cloonan's specialty?
- Clifford Cloonan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Cloonan located?
- Clifford Cloonan's practice location on file with NPPES is 6481 Carlisle Pike, Mechanicsburg, PA 17050-2377.
- What is Clifford Cloonan's phone number?
- The practice phone number listed in the NPPES registry for Clifford Cloonan is (717) 516-6396.
- Is Clifford Cloonan's NPI active?
- Yes — Clifford Cloonan's NPI (1003854753) is active in the NPPES registry as of the last update on 2018-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.