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ALEXANDRA LIEB MD
NPI 1831770809
Internal Medicine in Bronx, NY

Active since April 20, 2021PECOS Enrolled
1265 FRANKLIN AVE GROUND FL, BRONX, NY 10456(718) 992-7669 Get Directions Write a Review

NPPES record last updated: November 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 19, 2024, Oct 4, 2024, Apr 20, 2021 (3 updates tracked since 2021).

About Alexandra Lieb Md NPPES

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

ALEXANDRA LIEB MD (NPI 1831770809) is an individual internal medicine provider in Bronx, New York, licensed in New York (330729) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831770809
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALEXANDRA LIEBCredential: MD
Location Address1265 FRANKLIN AVE GROUND FLBronx, NY 10456-3501
Mailing Address1276 Fulton AveBronx, NY 10456-3467 · (718) 992-7669
Phone(718) 992-7669
Sole ProprietorNo
Enumeration DateApril 20, 2021
Last NPPES UpdateNovember 19, 20243 updates tracked since enumeration
NPPES CertifiedNovember 15, 2024
✔ NPI 1831770809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 330729✔ Licensed in PA · MD486048
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.
1265 FRANKLIN AVE GROUND FL, Bronx, NY 10456
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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 (PECOS)

Alexandra Lieb 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.

Medicare Billing Reassignments

2

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

Bronxcare Health System
Same address
Psychiatry
1276 FULTON AVE
Bronx, NY 10456
  • Reassigned Medicare billing, New York enrollment
  • 795 clinicians in this Medicare group
NPI 1073806519 (718) 901-8920
Openloop Healthcare Partners PC
1,027 mi
General Practice
317 6TH AVE STE 400
Des Moines, IA 50309
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 8 clinicians in this Medicare group
NPI 1245820661 (573) 286-7212

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10456 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.

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 Alexandra Lieb's NPI number?

The NPI number for Alexandra Lieb is 1831770809. It was assigned to this individual provider in the NPPES registry on April 20, 2021.

Where is Alexandra Lieb located?

Alexandra Lieb practices at 1265 Franklin Ave Ground Fl, Bronx, NY 10456. The listed phone number is (718) 992-7669.

What is Alexandra Lieb's specialty?

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

Is Alexandra Lieb enrolled in Medicare?

Yes. Alexandra Lieb is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexandra Lieb's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Lieb reassigns Medicare benefits to 2 organizations: Bronxcare Health System (Bronx, NY) and Openloop Healthcare Partners PC (Des Moines, IA). 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 Alexandra Lieb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Lieb accept?

Health plans from Anthem Blue Cross and Blue Shield list Alexandra Lieb 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 Alexandra Lieb was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.