NPPES file of Aug 9, 2026

R. Gregory Montgomery, DDS

General Practice Dentistry · Mount Morris, PA

R. Gregory Montgomery, DDS is a general practice dentistry with a practice address in Mount Morris, Pennsylvania, and NPI 1376674218, issued on Mar 9, 2007. Check the license (Pennsylvania DS-026391-L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376674218
Name
R. Gregory Montgomery
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DS-026391-L PA
Self-reported in NPPES; status is on the state search
Practice location
120 Locust Avenue Extention, Mount Morris, PA 15349
Phone
(724) 324-9001
Enumerated
Mar 9, 2007
Record last updated
Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify R. Gregory Montgomery in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license DS-026391-L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

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2.5 times the Medicare Part D claims of the average general practice dentistry in 2024

210 Medicare Part D claims for 82 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 49 claims were for opioids.

  1. R. Montgomery210
  2. Specialty average83

Most prescribed

  1. Amoxicillin60 claims
  2. Hydrocodone-Acetaminophen40 claims
  3. Clindamycin Hcl25 claims
  4. Ibuprofen19 claims
  5. Azithromycin14 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.

R. Gregory Montgomery among 4,612 general practice dentistry records in Pennsylvania

R. Gregory Montgomery, DDS is one of 4,612 general practice dentistry records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 37% of them.

  • NPI issued2007 · 37% of these records are older, 39% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2012 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 general practice dentistry record lists a practice address in Mount Morris

They are 1 of the 27 NPPES records with a practice address in Mount Morris, and 4,612 general practice dentistry records in Pennsylvania.

The 8 general practice dentistry records with the nearest ZIP codes

  1. John Basile, D.D.SHouston, PA 153421346392297
  2. James Davis, DDSFredericktown, PA 153331235181124
  3. Ronald Sebastian, D.D.S.Fredericktown, PA 153331710978416
  4. Tugraberk Usul, DMDFredericktown, PA 153331538783287
  5. Sherri Fortsch-Thomas, DMDFinleyville, PA 153321891875837
  6. Dale Thomas, DMDFinleyville, PA 153321164504676
  7. Thomas Pavelka, DMDEighty Four, PA 153301740510122
  8. Amber Brancolini, D.M.D.Waynesburg, PA 153701386848018

Common questions

What is R. Gregory Montgomery, DDS's NPI number?

R. Gregory Montgomery, DDS's National Provider Identifier (NPI) is 1376674218, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is R. Gregory Montgomery, DDS located?

The NPPES record lists a practice address at 120 Locust Avenue Extention, Mount Morris, PA, 15349. Phone: (724) 324-9001. Providers update this record themselves, so call before visiting.

How can I verify R. Gregory Montgomery, DDS's license?

NPPES lists Pennsylvania license number DS-026391-L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does R. Gregory Montgomery, DDS prescribe under Medicare Part D?

In 2024, R. Gregory Montgomery, DDS had 210 Medicare Part D claims for 82 beneficiaries; the average among general practice dentistry prescribers was 83. 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.