Orville John, D.D.S.
Dentist · La Plata, MD
Orville John, D.D.S. is a dentist with a practice address in La Plata, Maryland, and NPI 1912301201, issued on Oct 15, 2014. Check the license (Maryland 7066, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Orville John
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 7066 MD
3614 DC
Self-reported in NPPES; status is on the state search - Practice location
- 6620 Crain Hwy, La Plata, MD 20646
- Phone
- (301) 870-3966
- Enumerated
- Oct 15, 2014
- Entity
- Type 1 · individual
Also registered at 6620 Crain Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Demion Cornwall, DDSGeneral Practice Dentistry1982965711
- Ghassan Hatoum, MDGeneral Practice Physician1730226440
- Ibrahim Mady, MDGeneral Practice Physician1629115332
Verify Orville John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 7066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
26% fewer Medicare Part D claims than the average dentist in 2024
67 Medicare Part D claims for 38 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin41 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.
8 dentist records list a La Plata practice address
They are 8 of the 462 NPPES records with a La Plata practice address, and 1,930 dentist records in Maryland.
All 8 in La Plata → All 1,930 in Maryland → Every provider in La Plata →
Other dentist records in Maryland
- Vargha Abbasian, D.D.S.Elkton, MD1356656854
- Anahita Abdehou, DDSRosedale, MD1902062292
- Ossob Abdillahi, DMDGaithersburg, MD1932237385
- Laylo Abdurahmonova, DDSManchester, MD1861367427
- Thomas Abecket, DDSLaurel, MD1265774087
- Martin Abel, D.D.S.Rockville, MD1285604058
- Shannon Abel, D.D.S.Rockville, MD1326018185
- Ryan Abi Jomaa, DDSOlney, MD1295664613
- Median Abraha, DDSOxon Hill, MD1518642248
- Ampili Abraham, DDSCatonsville, MD1750430005
Common questions
What is Orville John, D.D.S.'s NPI number?
Orville John, D.D.S.'s National Provider Identifier (NPI) is 1912301201, issued on Oct 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Orville John, D.D.S. located?
The NPPES record lists a practice address at 6620 Crain Hwy, La Plata, MD, 20646. Phone: (301) 870-3966. Providers update this record themselves, so call before visiting.
How can I verify Orville John, D.D.S.'s license?
NPPES lists Maryland license number 7066, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Orville John, D.D.S. prescribe under Medicare Part D?
In 2024, Orville John, D.D.S. had 67 Medicare Part D claims for 38 beneficiaries; the average among dentist prescribers was 90. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.