Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr
NPI 1932248853 · Internal Medicine Physician · Meridian, MS
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr is a Internal Medicine Physician organization in Meridian, MS (NPI 1932248853).
Provider details
- NPI number
- 1932248853
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Allen, Administrator(601) 581-2295
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
19 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
Other names (DBA / former)
- Doing business as
- Internal Medicine Clinic, PLLC
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2011-12-14
Frequently asked questions
- What is Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's NPI number?
- Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's National Provider Identifier (NPI) is 1932248853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr?
- Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr located?
- Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's practice location on file with NPPES is 1600 22nd Ave, Meridian, MS 39301-3223.
- What is Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's phone number?
- The practice phone number listed in the NPPES registry for Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr is (601) 483-5322.
- Does Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr accept Medicare?
- Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr 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 Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr?
- The authorized official listed on Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's NPPES record is James Allen, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's NPI active?
- Yes — Joel T Callahan Thomas H Greer Jr & a Gary Boone Ptr's NPI (1932248853) is active in the NPPES registry as of the last update on 2011-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.