Eric Van Mastrolonardo, MD
Otolaryngology Physician · Saint Louis, MO
Eric Van Mastrolonardo, MD is an otolaryngology physician with a practice address in Saint Louis, Missouri, and NPI 1376122101, issued on Apr 7, 2021. Check the license (Missouri 2026004588, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Eric Van Mastrolonardo
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 2026004588 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4500 Forest Park Ave, Saint Louis, MO 63108
- Phone
- (314) 362-7509
- Enumerated
- Apr 7, 2021
- Record last updated
- Jul 7, 2026
- Fax
- (888) 452-4025
- Medicaid ID
- 200173705 MO
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 253 in Missouri → Look up another NPI →
Also registered at 4500 Forest Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric Van Mastrolonardo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2026004588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average otolaryngology physician in 2024
65 Medicare Part D claims for 31 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen12 claims
- Methylprednisolone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Eric Van Mastrolonardo among 253 otolaryngology physician records in Missouri
Eric Van Mastrolonardo, MD is one of 253 otolaryngology physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 85% of them.
- NPI issued2021 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Missouri
There are 253 otolaryngology physician records in Missouri.
All 253 in Missouri → Every provider in Saint Louis → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Zoe Fullerton, MDSaint Louis, MO 631081730708322
- Ryan Judd, MDSaint Louis, MO 631081184204927
- Patrik Pipkorn, MDSaint Louis, MO 631081437565819
- Sidharth Puram, MDSaint Louis, MO 631081568800183
- Morgan Sandelski, MDSaint Louis, MO 631081881221208
- Benjamin Wahle, MDSaint Louis, MO 631081689194243
- Sharon Collins, MDSaint Louis, MO 631061558442418
- Joel Goebel, MDSaint Louis, MO 631101407874977
Common questions
What is Eric Van Mastrolonardo, MD's NPI number?
Eric Van Mastrolonardo, MD's National Provider Identifier (NPI) is 1376122101, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Eric Van Mastrolonardo, MD located?
The NPPES record lists a practice address at 4500 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 362-7509. Providers update this record themselves, so call before visiting.
How can I verify Eric Van Mastrolonardo, MD's license?
NPPES lists Missouri license number 2026004588, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric Van Mastrolonardo, MD prescribe under Medicare Part D?
In 2024, Eric Van Mastrolonardo, MD had 65 Medicare Part D claims for 31 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.