Mark R. Grenadier, DDS
Oral and Maxillofacial Surgery (Dentist) · Pittsburgh, PA
Mark R. Grenadier, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Pittsburgh, Pennsylvania, and NPI 1932181831, issued on Nov 16, 2005. Check the license (Pennsylvania DS025828L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark R. Grenadier
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- DS025828L PA
Self-reported in NPPES; status is on the state search - Practice location
- 4955 Steubenville Pike, Pittsburgh, PA 15205
- Phone
- (412) 788-9333
- Enumerated
- Nov 16, 2005
- Record last updated
- Aug 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (412) 788-9341
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 386 in Pennsylvania → Look up another NPI →
Also registered at 4955 Steubenville Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Piper CullenFamily Nurse Practitioner1689237604
- Rebecca Geyer, DNPFamily Nurse Practitioner1134503808
- Eric HeimbergerAthletic Trainer1730885708
- Tracy Strobel, MPTPhysical Therapist1801993845
Verify Mark R. Grenadier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DS025828LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average oral and maxillofacial surgery (dentist) in 2024
972 Medicare Part D claims for 410 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. 346 claims were for opioids.
Most prescribed
- Amoxicillin341 claims
- Hydrocodone-Acetaminophen298 claims
- Ibuprofen69 claims
- Clindamycin Hcl49 claims
- Oxycodone-Acetaminophen41 claims
- Amoxicillin-Clavulanate Potass35 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.
Mark R. Grenadier among 386 oral and maxillofacial surgery (dentist) records in Pennsylvania
Mark R. Grenadier, DDS is one of 386 oral and maxillofacial surgery (dentist) records with a practice address in Pennsylvania. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2010 · 61% 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 Pennsylvania 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 Pennsylvania
There are 386 oral and maxillofacial surgery (dentist) records in Pennsylvania.
All 386 in Pennsylvania → Every provider in Pittsburgh → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Michael Kahn, D.M.D.Pittsburgh, PA 152061033195938
- Joseph Defrancesco, DMDPittsburgh, PA 152021134148364
- Nicholaus Barbosa, M.D, D.M.DPittsburgh, PA 152121215375803
- Anel Basic, DMDPittsburgh, PA 152121881368686
- Svitozar Fokshey, DMDPittsburgh, PA 152121295049252
- Scott Godwin, DMDPittsburgh, PA 152121851778997
- Kaveh Ahani, DMDPittsburgh, PA 152131669877577
- Maryjane Anderson, D.M.D.Pittsburgh, PA 152131427505395
Common questions
What is Mark R. Grenadier, DDS's NPI number?
Mark R. Grenadier, DDS's National Provider Identifier (NPI) is 1932181831, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Grenadier, DDS located?
The NPPES record lists a practice address at 4955 Steubenville Pike, Pittsburgh, PA, 15205. Phone: (412) 788-9333. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Grenadier, DDS's license?
NPPES lists Pennsylvania license number DS025828L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Mark R. Grenadier, DDS prescribe under Medicare Part D?
In 2024, Mark R. Grenadier, DDS had 972 Medicare Part D claims for 410 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.