John Robert Mascaro, DMD MD
Oral and Maxillofacial Surgery (Dentist) · Willoughby, OH
John Robert Mascaro, DMD MD is an oral and maxillofacial surgery (dentist) with a practice address in Willoughby, Ohio, and NPI 1619989654, issued on Aug 11, 2006. Check the license (Ohio 30019907, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Robert Mascaro
- Credential
- DMD MD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- 30019907 OH
35066280 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4230 State Route 306, Willoughby, OH 44094
- Phone
- (440) 946-2247
- Enumerated
- Aug 11, 2006
- Record last updated
- Jan 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (440) 946-3530
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 234 in Ohio → Look up another NPI →
Also registered at 4230 State Route 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Chepla, DDSOral and Maxillofacial Surgery (Dentist)1942212980
- James Trouten, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1871708818
Verify John Robert Mascaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 30019907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
382 Medicare Part D claims for 250 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 150 claims were for opioids.
Most prescribed
- Amoxicillin170 claims
- Hydrocodone-Acetaminophen84 claims
- Acetaminophen-Codeine40 claims
- Clindamycin Hcl40 claims
- Tramadol Hcl23 claims
- Amoxicillin-Clavulanate Potass11 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.
John Robert Mascaro among 234 oral and maxillofacial surgery (dentist) records in Ohio
John Robert Mascaro, DMD MD is one of 234 oral and maxillofacial surgery (dentist) records with a practice address in Ohio. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 49% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 13% of these records are
- Record last updated2008 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Ohio
There are 234 oral and maxillofacial surgery (dentist) records in Ohio.
All 234 in Ohio → Every provider in Willoughby → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- William Chepla, DDSWilloughby, OH 440941942212980
- Jasem Alburaih, B.D.S.Cleveland, OH 441061538536792
- Fatema AlotaibiCleveland, OH 441061821878943
- Nada Alwanni, DMD, MSCleveland, OH 441061124472139
- Dale Baur, DDSCleveland, OH 441061245218544
- Michael Horan, M.D., D.D.S., PH.D.Cleveland, OH 441061558561712
- Jacob KiriakosCleveland, OH 441061215753348
- Kian Yaghoubnejad, MD DDSCleveland, OH 441061740868025
Common questions
What is John Robert Mascaro, DMD MD's NPI number?
John Robert Mascaro, DMD MD's National Provider Identifier (NPI) is 1619989654, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Robert Mascaro, DMD MD located?
The NPPES record lists a practice address at 4230 State Route 306, Willoughby, OH, 44094. Phone: (440) 946-2247. Providers update this record themselves, so call before visiting.
How can I verify John Robert Mascaro, DMD MD's license?
NPPES lists Ohio license number 30019907, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does John Robert Mascaro, DMD MD prescribe under Medicare Part D?
In 2024, John Robert Mascaro, DMD MD had 382 Medicare Part D claims for 250 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.