John Flannery, M.D.
NPI 1134164197 · Internal Medicine Physician · Hilton Head Island, SC
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Flannery, M.D. is a Internal Medicine Physician provider in Hilton Head Island, SC (NPI 1134164197).
Provider details
- NPI number
- 1134164197
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26923 (NC)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 809 S Long DrSuite HRockingham, NC 28379-4377Phone: (910) 417-4005Fax: (910) 417-4014
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2019-02-07
Frequently asked questions
- What is John Flannery's NPI number?
- John Flannery's National Provider Identifier (NPI) is 1134164197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flannery's specialty?
- John Flannery is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Flannery located?
- John Flannery's practice location on file with NPPES is 25 Hospital Center Blvd, Hilton Head Island, SC 29926-2738.
- What is John Flannery's phone number?
- The practice phone number listed in the NPPES registry for John Flannery is (843) 784-8224.
- Does John Flannery accept Medicare?
- John Flannery is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Flannery's NPI active?
- Yes — John Flannery's NPI (1134164197) is active in the NPPES registry as of the last update on 2019-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.