William John Colliver, D.D.S.
Dentist · Frederick, MD
William John Colliver, D.D.S. is a dentist with a practice address in Frederick, Maryland, and NPI 1467464024, issued on Aug 12, 2006. Check the license (Maryland 9614, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William John Colliver
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 9614 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2090 Old Farm Dr, Frederick, MD 21702
- Phone
- (301) 662-5914
- Enumerated
- Aug 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 662-7340
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,870 in Maryland → Look up another NPI →
Also registered at 2090 Old Farm Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marty AskariGeneral Practice Dentistry1740328376
- Marcie Bidinger, D.D.S.Dentist1518979004
Verify William John Colliver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 9614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average dentist in 2024
118 Medicare Part D claims for 84 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin74 claims
- Clindamycin Hcl18 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: $153.66
3 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
William John Colliver among 1,870 dentist records in Maryland
William John Colliver, D.D.S. is one of 1,870 dentist records with a practice address in Maryland. 60% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 dentist records list a practice address in Frederick
They are 46 of the 3,981 NPPES records with a practice address in Frederick, and 1,870 dentist records in Maryland.
All 1,870 in Maryland → Every provider in Frederick → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Carl Appleton, DDSFrederick, MD 217021053645655
- Marcie Bidinger, D.D.S.Frederick, MD 217021518979004
- Howard Fischer, DDSFt Detrick, MD 217021659304475
- Thomas Galloway, DDSFrederick, MD 217021053560474
- Babak Ganjavian, DDSFrederick, MD 217021801033329
- Philip Magpantay, DDSFrederick, MD 217021598913667
- Joseph Mullen, DDSFrederick, MD 217021548270671
- Michael Raboy, DDSFrederick, MD 217021326102856
Common questions
What is William John Colliver, D.D.S.'s NPI number?
William John Colliver, D.D.S.'s National Provider Identifier (NPI) is 1467464024, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William John Colliver, D.D.S. located?
The NPPES record lists a practice address at 2090 Old Farm Dr, Frederick, MD, 21702. Phone: (301) 662-5914. Providers update this record themselves, so call before visiting.
How can I verify William John Colliver, D.D.S.'s license?
NPPES lists Maryland license number 9614, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does William John Colliver, D.D.S. prescribe under Medicare Part D?
In 2024, William John Colliver, D.D.S. had 118 Medicare Part D claims for 84 beneficiaries; the average among dentist prescribers was 86. 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.