DR. INNA CARMELA MATAAC DE LEON MD
NPI 1548958747
Hospitalist in New York, NY

Q: What is Inna Carmela De Leon's NPI number?

The NPI number for Inna Carmela De Leon is 1548958747. It was assigned to this individual provider in the NPPES registry on April 26, 2023.

Q: What is Inna Carmela De Leon's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Active since April 26, 2023PECOS EnrolledAccepts Medicare Assignment

550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Inna Carmela Mataac De Leon Md NPPES

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

DR. INNA CARMELA MATAAC DE LEON MD (NPI 1548958747) is an individual hospitalist provider in New York, New York, licensed in New York (336089) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1548958747

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameDR. INNA CARMELA MATAAC DE LEONCredential: MD

Location Address550 1ST AVENew York, NY 10016-6402

Mailing Address550 1st AveNew York, NY 10016-6402 · (212) 263-5506

Phone(212) 263-5506

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateApril 26, 2023

Last NPPES UpdateAugust 7, 2026

NPPES CertifiedAugust 7, 2026

✔ NPI 1548958747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in NY · 336089

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

550 1ST AVE, New York, NY 10016

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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 and accepts Medicare assignment

Dr. Inna Carmela Mataac De Leon Md 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 ID7416428404

PECOS Enrollment IDI20260610001973

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 Inna Carmela De Leon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University

1,039 mi

Cardiovascular Disease

3301 QUANTUM BLVD
Boynton Beach, FL 33426

Reassigned Medicare billing, New York enrollment
7,712 clinicians in this Medicare group

NPI 1285826438 (877) 648-2964

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

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330214

Location550 First AvenueNew York, NY 10016 · New York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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

$150.24 typical visit price

range $65.69 – $198.19

Typical copayment $37.56 (range $16.42 – $49.54)

Most-billed visit code 99204

Established Patient

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

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 20

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

DR. SHARON URALIL D.O.

Internal Medicine

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-3293

DR. DIANA TREVAS FLEISHER

Emergency Medicine (Pediatric Emergency Medicine)

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-3293

DR. MONICA GUPTA M.D.

Allergy & Immunology

550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016

New York County (212) 263-6397

CHRISTINE CHAN M.D.

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

DR. MATTHEW CHIARELLO MD

Radiology (Vascular & Interventional Radiology)

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

DR. MEGAN ELIZABETH JENKINS M.D.

Surgery

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-7300

DR. MANAN PATEL M.D.

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

VICKY CHIANG

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

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 Inna Carmela De Leon's NPI number?

The NPI number for Inna Carmela De Leon is 1548958747. It was assigned to this individual provider in the NPPES registry on April 26, 2023.

Where is Inna Carmela De Leon located?

Inna Carmela De Leon practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.

What is Inna Carmela De Leon's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Inna Carmela De Leon enrolled in Medicare?

Yes. Inna Carmela De Leon 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 Inna Carmela De Leon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Inna Carmela De Leon reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Inna Carmela De Leon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Inna Carmela De Leon affiliated with any hospitals?

According to CMS data, Inna Carmela De Leon is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Inna Carmela De Leon was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.