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DR. ERIC VAN MASTROLONARDO MD
NPI 1376122101
Otolaryngology in Saint Louis, MO

Active since April 07, 2021PECOS Enrolled
4500 FOREST PARK AVE, DEPT OTOLARYNGOLOGY, 5TH FL, SAINT LOUIS, MO 63108(314) 362-7509(888) 452-4025 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 7, 2026, Apr 7, 2021 (2 updates tracked since 2021).

About Dr. Eric Van Mastrolonardo Md NPPES

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

DR. ERIC VAN MASTROLONARDO MD (NPI 1376122101) is an individual otolaryngology provider in Saint Louis, Missouri, licensed in Missouri (2026004588) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376122101
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. ERIC VAN MASTROLONARDOCredential: MD
Location Address4500 FOREST PARK AVE, DEPT OTOLARYNGOLOGY, 5TH FLSaint Louis, MO 63108-2114
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-7509 · Fax (888) 452-4025
Phone(314) 362-7509
Fax(888) 452-4025
Sole ProprietorNo
Enumeration DateApril 7, 2021
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedApril 7, 2021
✔ NPI 1376122101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in MO · 2026004588
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
4500 FOREST PARK AVE, Saint Louis, MO 63108
Open in Google Maps ↗

Other Identifiers 1

Medicaid200173705MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eric Van Mastrolonardo 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 63108 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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.

MS. KIM M FRENCH ANP
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-7216
DR. RAVI VIJ MD
Internal Medicine (Medical Oncology)
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 454-8304
MR. STEVEN CHARLES FUCHS JR. PHARM.D.
Pharmacist
4500 FOREST PARK AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 657-9013
MS. MEGAN ELIZABETH NEUDECKER FNP
Nurse Practitioner (Family)
4500 FOREST PARK AVE, DIV SURG ONCOLOGY, 5TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-2280
MS. CATHERINE C ROGERS ANP
Nurse Practitioner (Adult Health)
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-7216
DR. ZEYNEP GUL MD
Urology
4500 FOREST PARK AVE, DIV SURG UROLOGY, 5TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-8200
MS. STEPHANIE ANNE VOLLMER ANP
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 454-8304
MS. KAYLA THERESE JARRETT PA
Physician Assistant
4500 FOREST PARK AVE, DEPT NEUROLOGICAL SURGERY, STE 1B
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3577

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 Eric Mastrolonardo's NPI number?

The NPI number for Eric Mastrolonardo is 1376122101. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Eric Mastrolonardo located?

Eric Mastrolonardo practices at 4500 Forest Park Ave Dept Otolaryngology, 5th Fl, Saint Louis, MO 63108. The listed phone number is (314) 362-7509.

What is Eric Mastrolonardo's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Eric Mastrolonardo enrolled in Medicare?

Yes. Eric Mastrolonardo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eric Mastrolonardo was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.