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DR. JAMES A GILES MD PHD
NPI 1467867481
Psychiatry & Neurology - Vascular Neurology in New Haven, CT

Active since June 28, 2014PECOS EnrolledAccepts Medicare Assignment
15 YORK ST, NEW HAVEN, CT 06510(203) 747-4276 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 4, 2025, Jul 11, 2023, Jul 11, 2022 and 4 more (7 updates tracked since 2019).

About Dr. James A Giles Md Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES A GILES MD PHD (NPI 1467867481) is an individual vascular neurology provider in New Haven, Connecticut, licensed in Connecticut (071814) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1467867481
Entity TypeIndividualMale
Primary Taxonomy2084V0102X
Provider Legal NameDR. JAMES A GILESCredential: MD PHD
Location Address15 YORK STNew Haven, CT 06510-3221
Mailing Address100 York St Ste 1nNew Haven, CT 06511-5620 · (203) 737-4276
Phone(203) 747-4276
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJune 28, 2014
Last NPPES UpdateDecember 4, 20257 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1467867481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Vascular NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084V0102X
License✔ Licensed in CT · 071814
Definition
Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 071814 (CT)
15 YORK ST, New Haven, CT 06510
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Secondary Practice Location 1

Location 120 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James A Giles Md Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072733427
PECOS Enrollment IDI20221201000243
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Giles reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
0.4 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services43 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
37 services21 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
37 services37 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
36 services34 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
20 services13 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KARAM AL JUMAILY
Student in an Organized Health Care Education/Training Program
15 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-4668
AARON VASSALL M.D.
Student in an Organized Health Care Education/Training Program
15 YORK ST, YNHH DEPT OF MEDICINE, LMP 1092
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5555
MS. PEGGY SUEJIN MYUNG M.D., PH.D.
Dermatology (Dermatopathology)
15 YORK ST, LMP 5031
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (215) 668-7559
ROBERT E TIGELAAR MD
Dermatology
15 YORK ST, DERMATOLOGY, LCI ROOM 609
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-4632
REBECCA SLOTKIN M.D.
Internal Medicine
15 YORK ST, YNHH DEPT OF MEDICINE, LMP 1092
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5555
MICHAEL GIRARDI MD
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-4632
GERALD H FRIEDLAND MD
Internal Medicine (Infectious Disease)
15 YORK ST, NATHAN SMITH BUILDING
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-5303
KACIE R CARLSON PA-C
Physician Assistant
15 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-4632

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Giles's NPI number?

The NPI number for James Giles is 1467867481. It was assigned to this individual provider in the NPPES registry on June 28, 2014.

Where is James Giles located?

James Giles practices at 15 York St, New Haven, CT 06510. The listed phone number is (203) 747-4276.

What is James Giles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Is James Giles enrolled in Medicare?

Yes. James Giles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for James Giles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Giles reassigns Medicare benefits to Yale University (New Haven, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Giles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Giles accept?

Health plans from Anthem Blue Cross and Blue Shield list James Giles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Giles was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.