Mark R Grenadier DDS, P.C.

Mark R Grenadier DDS, P.C. is a healthcare organization registered as Oral & Maxillofacial Surgery (D.M.D.) in Pittsburgh, PA, holding Type 2 (organization) NPI 1811268782 since 2012. The authorized official on file is Sheila Grenadier, Office Manager.

✓ Active NPI ✓ Valid NPI checksum

NPI	1811268782
Entity type	Organization (Type 2)
Legal business name	Mark R Grenadier DDS, P.C.
Practice address	4955 STEUBENVILLE PIKE, #361, Pittsburgh, PA, 15205
Phone	4127889333
Fax	4127889341
Enumeration date	2012-01-24
Last updated in NPPES	2012-10-26

Authorized official

Name	Sheila Grenadier
Title	Office Manager
Phone	4127889333

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
204E00000X	Oral & Maxillofacial Surgery (D.M.D.)	Primary	DS025828-L	PA

Copy-ready billing details

Provider: Mark R Grenadier DDS, P.C.
NPI: 1811268782
Taxonomy: 204E00000X (Oral & Maxillofacial Surgery (D.M.D.))
Address: 4955 STEUBENVILLE PIKE, #361, Pittsburgh, PA, 15205

Providers at this address

NPI	Name	Type	Specialty	Location
1932181831	Mark Grenadier	Individual	Oral and Maxillofacial Surgery (Dentist)	Pittsburgh, PA
1902911456	West Penn Allegheny Health System, Inc.	Organization	Podiatrist	Pittsburgh, PA
1801993845	Tracy Strobel	Individual	Physical Therapist	Pittsburgh, PA
1811098528	Allergic Diseases & Asthma Associates	Organization	Specialist	Pittsburgh, PA
1447401682	Tri-State Orthopaedics & Sports Medicine	Organization	Durable Medical Equipment & Medical Supplies	Pittsburgh, PA
1306077227	Miguel A. Marrero, MD, PC	Organization	Gynecology Physician	Pittsburgh, PA
1669773560	Aaa Ear & Aid Specialists	Organization	Hearing and Speech Clinic/Center	Pittsburgh, PA
1689237604	Piper Cullen	Individual	Family Nurse Practitioner	Pittsburgh, PA

Verify this record

Cross-check NPI 1811268782 against the authoritative CMS record: view Mark R Grenadier DDS, P.C. on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Mark R Grenadier DDS, P.C. located?

The practice location on file with NPPES is in Pittsburgh, PA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2012-10-26. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-10-26.