James Spencer Slattery, DMD
General Practice Dentistry · Glen Mills, PA
James Spencer Slattery, DMD is a general practice dentistry with a practice address in Glen Mills, Pennsylvania, and NPI 1962059899, issued on Aug 26, 2019. Check the license (Pennsylvania DS042287, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Spencer Slattery
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DS042287 PA
Self-reported in NPPES; status is on the state search - Practice location
- 23 Regency Plz, Glen Mills, PA 19342
- Phone
- (610) 358-5690
- Enumerated
- Aug 26, 2019
- Record last updated
- Jun 25, 2025
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,612 in Pennsylvania → Look up another NPI →
Verify James Spencer Slattery in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DS042287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average general practice dentistry in 2024
33 Medicare Part D claims for 25 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin27 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.
James Spencer Slattery among 4,612 general practice dentistry records in Pennsylvania
James Spencer Slattery, DMD 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 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 14% 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 updated2025 · 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).
8 general practice dentistry records list a practice address in Glen Mills
They are 8 of the 490 NPPES records with a practice address in Glen Mills, and 4,612 general practice dentistry records in Pennsylvania.
All 4,612 in Pennsylvania → Every provider in Glen Mills → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Emma Anderman, DMDGlen Mills, PA 193421033042403
- Emily DingGlen Mills, PA 193421902580418
- Deron Kovac, D.M.D.Glen Mills, PA 193421720141104
- Michael MatkovGlen Mills, PA 193421861554065
- Robert McCoyGlen Mills, PA 193421720278476
- Adarsh Modani, D.D.S.Glen Mills, PA 193421245645696
- Steven Schwartz, DDSGlen Mills, PA 193421407993678
- Louis Berges, DMDGlenmoore, PA 193431760975007
Common questions
What is James Spencer Slattery, DMD's NPI number?
James Spencer Slattery, DMD's National Provider Identifier (NPI) is 1962059899, issued on Aug 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is James Spencer Slattery, DMD located?
The NPPES record lists a practice address at 23 Regency Plz, Glen Mills, PA, 19342. Phone: (610) 358-5690. Providers update this record themselves, so call before visiting.
How can I verify James Spencer Slattery, DMD's license?
NPPES lists Pennsylvania license number DS042287, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does James Spencer Slattery, DMD prescribe under Medicare Part D?
In 2024, James Spencer Slattery, DMD had 33 Medicare Part D claims for 25 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.