JOANNE HOJSAK M.D.
NPI 1437128378
Pediatrics - Pediatric Critical Care Medicine in New York, NY

Q: What is Joanne Hojsak's NPI number?

The NPI number for Joanne Hojsak is 1437128378. It was assigned to this individual provider in the NPPES registry on March 14, 2006. The provider is also known as Joanne Marolda Hojsak M.D..

Q: What is Joanne Hojsak's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Q: When was this NPI record last updated?

The NPPES record for Joanne Hojsak was last updated on March 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since March 14, 2006PECOS Enrolled

1 GUSTAVE L LEVY PL, BOX 1202B, NEW YORK, NY 10029(212) 241-6529 Get Directions Write a Review

NPPES record last updated: March 26, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Joanne Hojsak M.d. NPPES

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

JOANNE HOJSAK M.D. (NPI 1437128378) is an individual pediatric critical care medicine provider in New York, New York, licensed in New York (168437) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437128378

Entity TypeIndividualFemale

Primary Taxonomy2080P0203X

Provider Legal NameJOANNE HOJSAKCredential: M.D.

Location Address1 GUSTAVE L LEVY PL, BOX 1202BNew York, NY 10029-6500

Mailing Address1 Gustave L Levy Pl, Box 1202bNew York, NY 10029-6500 · (212) 241-6529

Phone(212) 241-6529

Sole ProprietorYes

Enumeration DateMarch 14, 2006

Last NPPES UpdateMarch 26, 2013

✔ NPI 1437128378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0203X

License✔ Licensed in NY · 168437

Definition

A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.

Also ListedPediatricsTaxonomy 208000000X · License 168437 (NY)

1 GUSTAVE L LEVY PL, New York, NY 10029

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Other Names 1

Professional Name (2)Joanne Marolda Hojsak M.d.

Other Identifiers 1

Other168437NY · Ny License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joanne Hojsak M.d. 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 Reassignment

Medicare enrollment records show Joanne Hojsak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Icahn School Of Medicine At Mount Sinai

Same address

Critical Care Medicine

1 GUSTAVE L LEVY PL
New York, NY 10029

Reassigned Medicare billing, New York enrollment
329 clinicians in this Medicare group

NPI 1215488127 (212) 241-6500

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

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.

MRS. LAURA MANNING R.D., C.D.N.

Dietitian, Registered

1 GUSTAVE L LEVY PL, BOX 1625
NEW YORK, NY 10029

New York County (212) 241-9426

AMY JAYANT SANGHVI MD

Emergency Medicine

1 GUSTAVE L LEVY PL, BOX 1149
NEW YORK, NY 10029

New York County (212) 241-0748

MOUNT SINAI MEDICAL CENTER

General Acute Care Hospital

1 GUSTAVE L LEVY PL
NEW YORK, NY 10029

New York County (800) 637-4624

ANURADHA LALA-TRINDADE

Internal Medicine (Cardiovascular Disease)

1 GUSTAVE L LEVY PL
NEW YORK, NY 10029

New York County (212) 987-3100

RENA DYMERSKY RPA-C, MS

Physician Assistant

1 GUSTAVE L LEVY PL
NEW YORK, NY 10029

New York County (212) 241-6500

JENNY H CHUNG PHARMD, RN, FNP-BC

Nurse Practitioner (Family)

1 GUSTAVE L LEVY PL, TRANSPLANT INST. DEPARTMENT BOX 1104
NEW YORK, NY 10029

New York County (212) 659-8006

ERIKA JACOBSON RD,CDN

Dietitian, Registered

1 GUSTAVE L LEVY PL
NEW YORK, NY 10029

New York County (917) 241-5633

SARAH ALICIA REDA

Student in an Organized Health Care Education/Training Program

1 GUSTAVE L LEVY PL
NEW YORK, NY 10029

New York County (212) 241-6500

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 Joanne Hojsak's NPI number?

The NPI number for Joanne Hojsak is 1437128378. It was assigned to this individual provider in the NPPES registry on March 14, 2006. The provider is also known as Joanne Marolda Hojsak M.D..

Where is Joanne Hojsak located?

Joanne Hojsak practices at 1 Gustave L Levy Pl Box 1202B, New York, NY 10029. The listed phone number is (212) 241-6529.

What is Joanne Hojsak's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Joanne Hojsak enrolled in Medicare?

Yes. Joanne Hojsak is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joanne Hojsak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanne Hojsak reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Joanne Hojsak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joanne Hojsak accept?

Health plans from Oscar Health list Joanne Hojsak 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 Joanne Hojsak was last updated on March 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.