Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KARISHMA TREON D.O.
NPI 1578057816
Internal Medicine - Endocrinology, Diabetes & Metabolism in Great Neck, NY

Active since June 20, 2018PECOS Enrolled
865 NORTHERN BLVD STE 203, GREAT NECK, NY 11021(516) 708-2540 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 26, 2024, Jun 20, 2018 (2 updates tracked since 2018).

About Karishma Treon D.o. NPPES

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

KARISHMA TREON D.O. (NPI 1578057816) is an individual endocrinology, diabetes & metabolism provider in Great Neck, New York, licensed in New York (328141) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (2018).

NPPES Registry Identity

NPI1578057816
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameKARISHMA TREONCredential: D.O.
Location Address865 NORTHERN BLVD STE 203Great Neck, NY 11021-5310
Mailing Address865 Northern Blvd Ste 203Great Neck, NY 11021-5310 · (516) 708-2540
Sole ProprietorYes
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2018
Enumeration DateJune 20, 2018
Last NPPES UpdateOctober 19, 20262 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1578057816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NY · 328141
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 5101023856 (MI)
Also ListedPediatricsTaxonomy 208000000X · License 5101023856 (MI)
865 NORTHERN BLVD STE 203, Great Neck, NY 11021

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

Karishma Treon D.o. 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 ID5890157002
PECOS Enrollment IDI20241014002870
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 Karishma Treon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group

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 2

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330195
Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11021 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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 10

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Internal Medicine (Endocrinology, Diabetes & Metabolism)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Internal Medicine (Endocrinology, Diabetes & Metabolism)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Internal Medicine (Endocrinology, Diabetes & Metabolism)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Internal Medicine (Endocrinology, Diabetes & Metabolism)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Specialist
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Nurse Practitioner (Family)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021
Nurse Practitioner (Family)
865 NORTHERN BLVD STE 203
GREAT NECK, NY 11021

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 Karishma Treon's NPI number?

The NPI number for Karishma Treon is 1578057816. It was assigned to this individual provider in the NPPES registry on June 20, 2018.

Where is Karishma Treon located?

Karishma Treon practices at 865 Northern Blvd Ste 203, Great Neck, NY 11021. The listed phone number is (516) 708-2540.

What is Karishma Treon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Karishma Treon enrolled in Medicare?

Yes. Karishma Treon 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 Karishma Treon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karishma Treon reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). 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 Karishma Treon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Karishma Treon affiliated with any hospitals?

According to CMS data, Karishma Treon is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.

When was this NPI record last updated?

The NPPES record for Karishma Treon was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.