James A. Giles, MD PHD
Vascular Neurology Physician · New Haven, CT
James A. Giles, MD PHD is a vascular neurology physician with a practice address in New Haven, Connecticut, and NPI 1467867481, issued on Jun 28, 2014. Check the license (Connecticut 071814, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James A. Giles
- Credential
- MD PHD
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License number
- 071814 CT
Self-reported in NPPES; status is on the state search - Practice location
- 15 York St, New Haven, CT 06510
- Phone
- (203) 747-4276
- Enumerated
- Jun 28, 2014
- Record last updated
- Dec 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20221201000243); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular neurology physician records → All 22 in Connecticut → Look up another NPI →
Also registered at 15 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karam Al JumailyStudent in an Organized Health Care Education/Training Program1023836269
- Carolyn ArenaPsychiatric/Mental Health Nurse Practitioner1184294472
- Diana AthonvarangkulEndocrinology, Diabetes & Metabolism Physician1275980450
- Nigel Bamford, MDNeurology with Special Qualifications in Child Neurology Physician1639255318
- Ami Belmont, M.D.Internal Medicine Physician1295183226
- Jean Bolognia, MDDermatology Physician1942291331
Verify James A. Giles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 071814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average vascular neurology physician in 2024
346 Medicare Part D claims for 76 beneficiaries, against an average of 270 among the 598 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Rosuvastatin Calcium57 claims
- Amlodipine Besylate39 claims
- Praluent Pen33 claims
- Atorvastatin Calcium27 claims
- Repatha Sureclick26 claims
- Eliquis25 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.
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James A. Giles among 22 vascular neurology physician records in Connecticut
James A. Giles, MD PHD is one of 22 vascular neurology physician records with a practice address in Connecticut. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 95% of these records are
- Graduated2013 · median 2009 among the 21 with a school on file
- Record last updated2025 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Neurology Physician providers in Connecticut
There are 22 vascular neurology physician records in Connecticut.
All 22 in Connecticut → Every provider in New Haven → Vascular Neurology Physician nationwide →
The 8 vascular neurology physician records with the nearest ZIP codes
- Adam De Havenon, MDNew Haven, CT 065101487897898
- Rachel Forman, M.D.New Haven, CT 065101518347129
- Adam Jasne, M.D.New Haven, CT 065191104182658
- Pooja Khatri, MDNew Haven, CT 065191558397398
- Nishant Mishra, MBBS PHDNew Haven, CT 065191023470721
- Srikant Rangaraju, M.D.New Haven, CT 065191225262140
- Nastajjia Krementz, MDBridgeport, CT 066061730541228
- Navdeep Singh LailNorwich, CT 063601376077271
Common questions
What is James A. Giles, MD PHD's NPI number?
James A. Giles, MD PHD's National Provider Identifier (NPI) is 1467867481, issued on Jun 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is James A. Giles, MD PHD located?
The NPPES record lists a practice address at 15 York St, New Haven, CT, 06510. Phone: (203) 747-4276. Providers update this record themselves, so call before visiting.
How can I verify James A. Giles, MD PHD's license?
NPPES lists Connecticut license number 071814, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James A. Giles, MD PHD prescribe under Medicare Part D?
In 2024, James A. Giles, MD PHD had 346 Medicare Part D claims for 76 beneficiaries; the average among vascular neurology physician prescribers was 270. 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.