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DR. SANDRA ALEKSIC MD
NPI 1265864409
Internal Medicine - Endocrinology, Diabetes & Metabolism in Tarrytown, NY

Active since July 30, 2013PECOS Enrolled
100/100
CMS Quality Rating
150 WHITE PLAINS RD FL 2, TARRYTOWN, NY 10591(914) 909-3190(914) 631-0094 Get Directions Write a Review

NPPES record last updated: January 12, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 12, 2021, Feb 7, 2017 (2 updates tracked since 2017).

About Dr. Sandra Aleksic Md NPPES

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

DR. SANDRA ALEKSIC MD (NPI 1265864409) is an individual endocrinology, diabetes & metabolism provider in Tarrytown, New York, licensed in New York (299307) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1265864409
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. SANDRA ALEKSICCredential: MD
Location Address150 WHITE PLAINS RD FL 2Tarrytown, NY 10591-5535
Mailing Address3411 Wayne Ave, 2nd Floor, Endocrinology SuiteBronx, NY 10467-2509 · (718) 920-4420
Phone(914) 909-3190
Fax(914) 631-0094
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 30, 2013
Last NPPES UpdateJanuary 12, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2021
✔ NPI 1265864409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NY · 299307
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.
150 WHITE PLAINS RD FL 2, Tarrytown, NY 10591
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sandra Aleksic Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385983675
PECOS Enrollment IDI20191129000071
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 Reassignments

2

Medicare enrollment records show Sandra Aleksic reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Montefiore Medical Center
13 mi
Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1063525152 (914) 378-6021
Physician Affiliate Group Of New York PC
18 mi
Dietitian, Registered
506 LENOX AVE
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 2,094 clinicians in this Medicare group
NPI 1013375526 (212) 939-2467

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

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 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.
34 services26 patients

Hospital Affiliations CMS Care Compare

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10591 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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 Sandra Aleksic's NPI number?

The NPI number for Sandra Aleksic is 1265864409. It was assigned to this individual provider in the NPPES registry on July 30, 2013.

Where is Sandra Aleksic located?

Sandra Aleksic practices at 150 White Plains Rd Fl 2, Tarrytown, NY 10591. The listed phone number is (914) 909-3190.

What is Sandra Aleksic's specialty?

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

Is Sandra Aleksic enrolled in Medicare?

Yes. Sandra Aleksic is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sandra Aleksic's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Aleksic reassigns Medicare benefits to 2 organizations: Montefiore Medical Center (Bronx, NY) and Physician Affiliate Group Of New York PC (New York, NY). Each 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 Sandra Aleksic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sandra Aleksic affiliated with any hospitals?

According to CMS data, Sandra Aleksic is affiliated with Montefiore Medical Center.

When was this NPI record last updated?

The NPPES record for Sandra Aleksic was last updated on January 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.