CAROLINE DIANA JONES MD
NPI 1366146102
Internal Medicine in Williamsville, NY

Active since March 27, 2023PECOS Enrolled
325 ESSJAY RD, WILLIAMSVILLE, NY 14221(716) 656-4880(716) 250-5943 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Caroline Diana Jones Md NPPES

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

CAROLINE DIANA JONES MD (NPI 1366146102) is an individual internal medicine provider in Williamsville, New York, licensed in New York (344111) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1366146102
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCAROLINE DIANA JONESCredential: MD
Location Address325 ESSJAY RDWilliamsville, NY 14221-8243
Mailing Address425 Essjay Rd Ste 170Williamsville, NY 14221-8235 · (716) 630-1219 · Fax (716) 817-1726
Fax(716) 250-5943
Sole ProprietorNo
Enumeration DateMarch 27, 2023
Last NPPES UpdateJune 24, 2026
NPPES CertifiedJune 24, 2026
NPI 1366146102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 344111
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
325 ESSJAY RD, Williamsville, NY 14221

Other Names 1

Professional Name (2)Caroline Lojacono Jones Md

Secondary Practice Locations 4

Location 1295 Essjay RdWilliamsville, NY 14221-5795 · Phone (716) 630-1000 · Fax (716) 250-5943
Location 285 High StBuffalo, NY 14203-1194 · Phone (716) 630-1000 · Fax (716) 250-5943
Location 36950 S Transit RdLockport, NY 14094-6333 · Phone (716) 630-1000 · Fax (716) 250-5943
Location 43900 N Buffalo StOrchard Park, NY 14127-1842 · Phone (716) 630-1000 · Fax (716) 250-5943

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Caroline Diana Jones Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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.

Internal Medicine
325 ESSJAY RD
WILLIAMSVILLE, NY 14221
Physical Therapist
325 ESSJAY RD, SUITE 305
WILLIAMSVILLE, NY 14221
Dermatology
325 ESSJAY RD
WILLIAMSVILLE, NY 14221
Family Medicine (Adult Medicine)
325 ESSJAY RD
WILLIAMSVILLE, NY 14221
Physician Assistant (Medical)
325 ESSJAY RD
WILLIAMSVILLE, NY 14221
Internal Medicine (Nephrology)
325 ESSJAY RD
WILLIAMSVILLE, NY 14221
Physician Assistant
325 ESSJAY RD
WILLIAMSVILLE, NY 14221
Nurse Practitioner (Family)
325 ESSJAY RD
WILLIAMSVILLE, NY 14221

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 Caroline Jones's NPI number?

The NPI number for Caroline Jones is 1366146102. It was assigned to this individual provider in the NPPES registry on March 27, 2023. The provider is also known as Caroline Lojacono Jones MD.

Where is Caroline Jones located?

Caroline Jones practices at 325 Essjay Rd, Williamsville, NY 14221. The listed phone number is (716) 656-4880.

What is Caroline Jones's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Caroline Jones enrolled in Medicare?

Yes. Caroline Jones is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Caroline Jones was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.