Christopher Drennen, D.M.D.
Periodontics · Potomac, MD
Christopher Drennen, D.M.D. is a periodontics with a practice address in Potomac, Maryland, and NPI 1043597214, issued on Nov 15, 2011. Check the license (Maryland 17254, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Drennen
- Credential
- D.M.D.
- Primary taxonomy
- Periodontics 1223P0300X
- License numbers
- 17254 MD
DN18461 FL
0401417114 VA
Self-reported in NPPES; status is on the state search - Practice location
- 9800 Falls RD Ste 104, Potomac, MD 20854
- Phone
- (301) 299-1505
- Enumerated
- Nov 15, 2011
- Record last updated
- Jun 28, 2023
- Entity
- Type 1 · individual
8 nearest periodontics records → All 167 in Maryland → Look up another NPI →
Verify Christopher Drennen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 17254Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average periodontics in 2024
59 Medicare Part D claims for 21 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin22 claims
- Ibuprofen13 claims
- Chlorhexidine Gluconate12 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: $83.73
4 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 2,966 providers of this specialty with any payment received $1,338.41 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.
Christopher Drennen among 167 periodontics records in Maryland
Christopher Drennen, D.M.D. is one of 167 periodontics records with a practice address in Maryland. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Maryland
There are 167 periodontics records in Maryland.
All 167 in Maryland → Every provider in Potomac → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Ahmad SoolariPotomac, MD 208541144322017
- Judith Austin, D.M.D.Rockville, MD 208521932305422
- Sanford Barber, DMDRockville, MD 208521801983077
- Elbert Chang, DDS, MSRockville, MD 208521629285804
- Khalid Choudhary, DDS, MSRockville, MD 208521184763237
- Mina Ebrahimi Daryani, DMDRockville, MD 208521801326111
- Steven Rice, D.D.S.Rockville, MD 208521629170212
- Richard Singer, DDSRockville, MD 208521306164934
Common questions
What is Christopher Drennen, D.M.D.'s NPI number?
Christopher Drennen, D.M.D.'s National Provider Identifier (NPI) is 1043597214, issued on Nov 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Drennen, D.M.D. located?
The NPPES record lists a practice address at 9800 Falls RD Ste 104, Potomac, MD, 20854. Phone: (301) 299-1505. Providers update this record themselves, so call before visiting.
How can I verify Christopher Drennen, D.M.D.'s license?
NPPES lists Maryland license number 17254, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Drennen, D.M.D. prescribe under Medicare Part D?
In 2024, Christopher Drennen, D.M.D. had 59 Medicare Part D claims for 21 beneficiaries; the average among periodontics prescribers was 277. 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.