Robert Ryan Callahan, D.C.
Chiropractor · Jacksonville, FL
Robert Ryan Callahan, D.C. is a chiropractor with a practice address in Jacksonville, Florida, and NPI 1841512860, issued on Feb 17, 2010. Check the license (Florida CH9909, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Ryan Callahan
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- CH9909 FL
Self-reported in NPPES; status is on the state search - Practice location
- 8384 Baymeadows RD Ste 3, Jacksonville, FL 32256
- Phone
- (904) 731-3370
- Enumerated
- Feb 17, 2010
- Record last updated
- Feb 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141020002222); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 2009
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 6,967 in Florida → Look up another NPI →
Verify Robert Ryan Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license CH9909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Ryan Callahan among 6,967 chiropractor records in Florida
Robert Ryan Callahan, D.C. is one of 6,967 chiropractor records with a practice address in Florida. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 50% of them.
- NPI issued2010 · 50% of these records are older, 47% newer
- In a Medicare fileNo · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2009 · median 2007 among the 2,252 with a school on file
- Record last updated2010 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
250 chiropractor records list a practice address in Jacksonville
They are 250 of the 24,194 NPPES records with a practice address in Jacksonville, and 6,967 chiropractor records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,967 in Florida → Every provider in Jacksonville → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Joseph Altomare, DCJacksonville, FL 322561235376054
- Bryce Arndt, D.C.Jacksonville, FL 322561669641452
- Jeremiah CarlsonJacksonville, FL 322561699787010
- Kevin Determan, B.S.,D.C.,F.A.S.A.Jacksonville, FL 322561306883566
- Stephen Fierro, DCJacksonville, FL 322561366496135
- Mary Fowler, D.C.Jacksonville, FL 322561477707974
- Jeanie Froman-Bohall, D.C.Jacksonville, FL 322561124221163
- Arden Hunziker, D.C.Jacksonville, FL 322561275719056
Common questions
What is Robert Ryan Callahan, D.C.'s NPI number?
Robert Ryan Callahan, D.C.'s National Provider Identifier (NPI) is 1841512860, issued on Feb 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Robert Ryan Callahan, D.C. located?
The NPPES record lists a practice address at 8384 Baymeadows RD Ste 3, Jacksonville, FL, 32256. Phone: (904) 731-3370. Providers update this record themselves, so call before visiting.
How can I verify Robert Ryan Callahan, D.C.'s license?
NPPES lists Florida license number CH9909, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.