Richard Joseph Castiello, M.D.
Specialist · Chevy Chase, MD
Richard Joseph Castiello, M.D. is a specialist with a practice address in Chevy Chase, Maryland, and NPI 1053469296, issued on Jan 6, 2007. Check the license (Maryland D13753, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard Joseph Castiello
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- D13753 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5530 Wisconsin Ave, Chevy Chase, MD 20815
- Phone
- (301) 986-1880
- Enumerated
- Jan 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 718-7372
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 5530 Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Joseph Castiello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D13753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
29 Medicare Part D claims, against an average of 1,380 among the 8,233 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.
Richard Joseph Castiello among 938 specialist records in Maryland
Richard Joseph Castiello, M.D. is one of 938 specialist records with a practice address in Maryland. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 61% of them.
- NPI issued2007 · 61% of these records are older, 28% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2007 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 specialist records list a practice address in Chevy Chase
They are 29 of the 1,118 NPPES records with a practice address in Chevy Chase, and 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Chevy Chase → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Marwa Adi, MDChevy Chase, MD 208151104820190
- David Berler, MDChevy Chase, MD 208151780687509
- Richard Conant, M.D.Chevy Chase, MD 208151568450112
- Douglas Feldman, M.D.Chevy Chase, MD 208151851364434
- Leonard Glassman, M.D.Chevy Chase, MD 208151821048109
- Stephen Kay, M.D.Chevy Chase, MD 208151881691632
- Carol Kleinman, MDChevy Chase, MD 208151184621690
- Brooke MerriwetherChevy Chase, MD 208151891791893
Common questions
What is Richard Joseph Castiello, M.D.'s NPI number?
Richard Joseph Castiello, M.D.'s National Provider Identifier (NPI) is 1053469296, issued on Jan 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard Joseph Castiello, M.D. located?
The NPPES record lists a practice address at 5530 Wisconsin Ave, Chevy Chase, MD, 20815. Phone: (301) 986-1880. Providers update this record themselves, so call before visiting.
How can I verify Richard Joseph Castiello, M.D.'s license?
NPPES lists Maryland license number D13753, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Richard Joseph Castiello, M.D. prescribe under Medicare Part D?
In 2024, Richard Joseph Castiello, M.D. had 29 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.