David Greg Oliver, M.D.
Specialist · Easton, MD
David Greg Oliver, M.D. is a specialist with a practice address in Easton, Maryland, and NPI 1265424733, issued on Aug 19, 2005. Check the license (Maryland D0039749, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Greg Oliver
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- D0039749 MD
Self-reported in NPPES; status is on the state search - Practice location
- 503 Cynwood Dr, Easton, MD 21601
- Phone
- (410) 822-0110
- Enumerated
- Aug 19, 2005
- Record last updated
- Oct 29, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 822-4785
- Medicare enrollment
- Enrolled (PECOS I20040330001222); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 503 Cynwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Greg Oliver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D0039749Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average specialist in 2024
6,249 Medicare Part D claims for 919 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Trelegy Ellipta819 claims
- Azithromycin635 claims
- Prednisone620 claims
- Albuterol Sulfate Hfa563 claims
- Breo Ellipta459 claims
- Montelukast Sodium393 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: $909.19
42 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through one group practice
- University OF Maryland Community Medical Group IncChestertown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Greg Oliver among 938 specialist records in Maryland
David Greg Oliver, M.D. is one of 938 specialist records with a practice address in Maryland. 36% 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, 83% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1985 · median 1989 among the 220 with a school on file
- 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 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 specialist records list a practice address in Easton
They are 10 of the 928 NPPES records with a practice address in Easton, and 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Easton → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Syed Ali, M.D.Easton, MD 216011952338998
- John Condit, D.O.Easton, MD 216011811909179
- Brian Corden, M.D.Easton, MD 216011710914924
- Michael Del Torto, M.D.Easton, MD 216011598784118
- Charles Dinapoli, M.D.Easton, MD 216011952376840
- Stephen Hanna, M.D.Easton, MD 216011164535894
- Benjamin Knox, MDEaston, MD 216011649276452
- Timothy Shanahan, D.O.Easton, MD 216011528072089
Common questions
What is David Greg Oliver, M.D.'s NPI number?
David Greg Oliver, M.D.'s National Provider Identifier (NPI) is 1265424733, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Greg Oliver, M.D. located?
The NPPES record lists a practice address at 503 Cynwood Dr, Easton, MD, 21601. Phone: (410) 822-0110. Providers update this record themselves, so call before visiting.
How can I verify David Greg Oliver, M.D.'s license?
NPPES lists Maryland license number D0039749, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does David Greg Oliver, M.D. prescribe under Medicare Part D?
In 2024, David Greg Oliver, M.D. had 6,249 Medicare Part D claims for 919 beneficiaries; the average among specialist prescribers was 1,380. 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.