NATALIA MATILDE TIJARO OVALLE
NPI 1245859487
Internal Medicine - Medical Oncology in New York, NY

Q: What is Natalia Tijaro Ovalle's NPI number?

The NPI number for Natalia Tijaro Ovalle is 1245859487. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Q: What is Natalia Tijaro Ovalle's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Active since April 08, 2020PECOS Enrolled

1275 YORK AVE, NEW YORK, NY 10065(929) 248-2677 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 29, 2026, Apr 8, 2020 (2 updates tracked since 2020).

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About Natalia Matilde Tijaro Ovalle NPPES

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

NATALIA MATILDE TIJARO OVALLE (NPI 1245859487) is an individual medical oncology provider in New York, New York, licensed in New York (339927) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1245859487

Entity TypeIndividualFemale

Primary Taxonomy207RX0202X

Provider Legal NameNATALIA MATILDE TIJARO OVALLE

Location Address1275 YORK AVENew York, NY 10065-6007

Mailing Address1275 York AveNew York, NY 10065-6007 · (212) 639-2000

Phone(929) 248-2677

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateApril 8, 2020

Last NPPES UpdateJanuary 29, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 29, 2026

✔ NPI 1245859487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in NY · 339927

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

1275 YORK AVE, New York, NY 10065

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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)

Natalia Matilde Tijaro Ovalle is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658795356

PECOS Enrollment IDI20260629001042

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

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

Mskcc Clinical Practice Plan

Same address

Medical Oncology

1275 YORK AVE
New York, NY 10065

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

NPI 1588789341 (212) 639-2000

Memorial Hematology Lymphoma Group

Same address

Hematology & Oncology

1275 YORK AVE
New York, NY 10065

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

NPI 1891766366 (646) 227-3813

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 10065 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

$198.19 typical visit price

range $65.69 – $198.19

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

Most-billed visit code 99205

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.

MRS. ZANA CORREA NP

Nurse Practitioner (Adult Health)