Julia Ann Castle, MD, MPH, FACP
Internal Medicine Physician · Newport, RI
Julia Ann Castle, MD, MPH, FACP is an internal medicine physician with a practice address in Newport, Rhode Island, and NPI 1437392297, issued on Apr 9, 2009. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Julia Ann Castle
- Credential
- MD, MPH, FACP
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 36251020 WI
36251-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 43 Smith RD, Newport, RI 02841
- Phone
- (401) 841-3771
- Enumerated
- Apr 9, 2009
- Record last updated
- Feb 6, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 43 Smith RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Julia Ann Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and DisciplineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
Julia Ann Castle among 1,033 internal medicine physician records in Rhode Island
Julia Ann Castle, MD, MPH, FACP is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 47% of them.
- NPI issued2009 · 47% of these records are older, 51% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Newport
They are 22 of the 542 NPPES records with a practice address in Newport, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Newport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leslie Franklin, MDNewport, RI 028411447247002
- Zain Alfanek, MDNewport, RI 028401962077800
- William Batty, M.D.Middletown, RI 028421447246434
- Katherine Behan, MDMiddletown, RI 028421376593491
- Chyi Chyi Chong, MDNewport, RI 028401871722280
- Robert Cicchelli, MDMiddletown, RI 028421508851601
- David Cunningham, MDMiddletown, RI 028421720073406
- Michael Duque, M.D.Middletown, RI 028421871816488
Common questions
What is Julia Ann Castle, MD, MPH, FACP's NPI number?
Julia Ann Castle, MD, MPH, FACP's National Provider Identifier (NPI) is 1437392297, issued on Apr 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Julia Ann Castle, MD, MPH, FACP located?
The NPPES record lists a practice address at 43 Smith RD, Newport, RI, 02841. Phone: (401) 841-3771. Providers update this record themselves, so call before visiting.
How can I verify Julia Ann Castle, MD, MPH, FACP's license?
Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Julia Ann Castle, MD, MPH, FACP prescribe under Medicare Part D?
In 2024, Julia Ann Castle, MD, MPH, FACP had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.