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

ALEKSANDR GRZHIBEK MD
NPI 1932781572
Internal Medicine - Nephrology in Brooklyn, NY

Q: What is Aleksandr Grzhibek's NPI number?

The NPI number for Aleksandr Grzhibek is 1932781572. It was assigned to this individual provider in the NPPES registry on April 23, 2021.

Q: What is Aleksandr Grzhibek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since April 23, 2021PECOS Enrolled

577 PROSPECT AVE APT 1B, BROOKLYN, NY 11215(718) 369-0318 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 11, 2026, Jun 21, 2024, Apr 23, 2021 (3 updates tracked since 2021).

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About Aleksandr Grzhibek Md NPPES

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

ALEKSANDR GRZHIBEK MD (NPI 1932781572) is an individual nephrology provider in Brooklyn, New York, licensed in New York (331103) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932781572

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameALEKSANDR GRZHIBEKCredential: MD

Location Address577 PROSPECT AVE APT 1BBrooklyn, NY 11215-6074

Mailing Address577 Prospect Ave Apt 1bBrooklyn, NY 11215-6074 · (718) 369-0318

Phone(718) 369-0318

Sole ProprietorNo

Enumeration DateApril 23, 2021

Last NPPES UpdateAugust 11, 20263 updates tracked since enumeration

NPPES CertifiedAugust 11, 2026

✔ NPI 1932781572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in NY · 331103

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

577 PROSPECT AVE APT 1B, Brooklyn, NY 11215

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aleksandr Grzhibek 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 11215 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 4

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

DR. MARIANA CHANG MD

Internal Medicine (Nephrology)

577 PROSPECT AVE APT 1B
BROOKLYN, NY 11215

Kings County (718) 369-0318

JAQUELINE ALVARADO-VALADEZ MD

Internal Medicine (Nephrology)

577 PROSPECT AVE APT 1B
BROOKLYN, NY 11215

Kings County (212) 420-2000

DR. KRISHNA SURY M.D.

Internal Medicine (Nephrology)

577 PROSPECT AVE APT 1B
BROOKLYN, NY 11215

Kings County (718) 369-0318

DR. YUANPU ZHENG M.D.

Internal Medicine

577 PROSPECT AVE APT 1B
BROOKLYN, NY 11215

Kings County (718) 369-0318

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 Aleksandr Grzhibek's NPI number?

The NPI number for Aleksandr Grzhibek is 1932781572. It was assigned to this individual provider in the NPPES registry on April 23, 2021.

Where is Aleksandr Grzhibek located?

Aleksandr Grzhibek practices at 577 Prospect Ave Apt 1B, Brooklyn, NY 11215. The listed phone number is (718) 369-0318.

What is Aleksandr Grzhibek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Aleksandr Grzhibek enrolled in Medicare?

Yes. Aleksandr Grzhibek is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Aleksandr Grzhibek was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.