Timothy Shelton Longest, D.D.S.
General Practice Dentistry · Oakland, MD
Timothy Shelton Longest, D.D.S. is a general practice dentistry with a practice address in Oakland, Maryland, and NPI 1487759460, issued on Sep 14, 2006. Check the license (Maryland 9960, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy Shelton Longest
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 9960 MD
Self-reported in NPPES; status is on the state search - Practice location
- 15703 Garrett Hwy, Oakland, MD 21550
- Phone
- (301) 334-2225
- Enumerated
- Sep 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 334-2331
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,408 in Maryland → Look up another NPI →
Also registered at 15703 Garrett Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elaine Allen, D.M.D.General Practice Dentistry1578698015
- William Yant, D.D.S.General Practice Dentistry1669577847
Verify Timothy Shelton Longest in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 9960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average general practice dentistry in 2024
62 Medicare Part D claims for 52 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin36 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.
Industry payments in 2024: $10.98
1 payment: food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Timothy Shelton Longest among 2,408 general practice dentistry records in Maryland
Timothy Shelton Longest, D.D.S. is one of 2,408 general practice dentistry records with a practice address in Maryland. 62% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 72% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 72% 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 Maryland 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 Oakland
They are 8 of the 304 NPPES records with a practice address in Oakland, and 2,408 general practice dentistry records in Maryland.
All 2,408 in Maryland → Every provider in Oakland → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Elaine Allen, D.M.D.Oakland, MD 215501578698015
- Michael Anderson, D.D.S.Oakland, MD 215501205195781
- Albert Getty, D.D.S.Oakland, MD 215501407991953
- Lindsay Jenkins, D.D.S.Oakland, MD 215501174739627
- Frank Mastalerz, DDSOakland, MD 215501114132552
- Stephen Mullins, D.D.SOakland, MD 215501992793178
- William Yant, D.D.S.Oakland, MD 215501669577847
- Stephen Sines, DDSMidland, MD 215421053479477
Common questions
What is Timothy Shelton Longest, D.D.S.'s NPI number?
Timothy Shelton Longest, D.D.S.'s National Provider Identifier (NPI) is 1487759460, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Shelton Longest, D.D.S. located?
The NPPES record lists a practice address at 15703 Garrett Hwy, Oakland, MD, 21550. Phone: (301) 334-2225. Providers update this record themselves, so call before visiting.
How can I verify Timothy Shelton Longest, D.D.S.'s license?
NPPES lists Maryland license number 9960, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy Shelton Longest, D.D.S. prescribe under Medicare Part D?
In 2024, Timothy Shelton Longest, D.D.S. had 62 Medicare Part D claims for 52 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.