Guarionex Decastro, D.M.D., P.A.
Dentist · Little Rock, AR
Guarionex Decastro, D.M.D., P.A. is a dentist with a practice address in Little Rock, Arkansas, and NPI 1750499547, issued on Aug 29, 2006. Check the license (Arkansas 3449, as entered in NPPES) with the Arkansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Guarionex Decastro
- Credential
- D.M.D., P.A.
- Primary taxonomy
- Dentist 122300000X
- License number
- 3449 AR
Self-reported in NPPES; status is on the state search - Practice location
- 5917 W 12TH St, Little Rock, AR 72204
- Phone
- (501) 663-8307
- Enumerated
- Aug 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (501) 663-8308
- Entity
- Type 1 · individual
8 nearest dentist records → All 522 in Arkansas → Look up another NPI →
Verify Guarionex Decastro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
Search for license 3449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average dentist in 2024
11 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Guarionex Decastro among 522 dentist records in Arkansas
Guarionex Decastro, D.M.D., P.A. is one of 522 dentist records with a practice address in Arkansas. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 68% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Arkansas
There are 522 dentist records in Arkansas.
All 522 in Arkansas → Every provider in Little Rock → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Russell Dodd, DDSLittle Rock, AR 722041942366406
- Richard Keech, D.D.S.Little Rock, AR 722041609138569
- Henry Chu, D.D.SLittle Rock, AR 722051013959089
- James Davenport, D.D.S.Little Rock, AR 722051891073557
- James Dunlap, D.D.S.P.A,Little Rock, AR 722051164505764
- Kathleen Ederle, DDSLittle Rock, AR 722051174875249
- Ted Jolley, DDSLittle Rock, AR 722051306152434
- Charles Roberts, D.D.SLittle Rock, AR 722051598793705
Common questions
What is Guarionex Decastro, D.M.D., P.A.'s NPI number?
Guarionex Decastro, D.M.D., P.A.'s National Provider Identifier (NPI) is 1750499547, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guarionex Decastro, D.M.D., P.A. located?
The NPPES record lists a practice address at 5917 W 12TH St, Little Rock, AR, 72204. Phone: (501) 663-8307. Providers update this record themselves, so call before visiting.
How can I verify Guarionex Decastro, D.M.D., P.A.'s license?
NPPES lists Arkansas license number 3449, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.
How much does Guarionex Decastro, D.M.D., P.A. prescribe under Medicare Part D?
In 2024, Guarionex Decastro, D.M.D., P.A. had 11 Medicare Part D claims; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.