Mark Jeffrey Davis, M.D.
Family Medicine Physician · North Potomac, MD
Mark Jeffrey Davis, M.D. is a family medicine physician with a practice address in North Potomac, Maryland, and NPI 1740598804, issued on Sep 22, 2010. Check the license (Maryland D40217, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark Jeffrey Davis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- D40217 MD
A049949 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10810 Darnestown RD Ste 202, North Potomac, MD 20878
- Phone
- (301) 424-1780
- Enumerated
- Sep 22, 2010
- Record last updated
- May 20, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Verify Mark Jeffrey Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D40217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
650 Medicare Part D claims for 89 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 13 claims were for opioids.
Most prescribed
- Eliquis30 claims
- Atorvastatin Calcium28 claims
- Ertapenem21 claims
- Gabapentin19 claims
- Amlodipine Besylate18 claims
- Levetiracetam18 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: $243.68
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Mark Jeffrey Davis among 1,912 family medicine physician records in Maryland
Mark Jeffrey Davis, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family medicine physician records list a practice address in North Potomac
They are 2 of the 129 NPPES records with a practice address in North Potomac, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in North Potomac → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bonnie Arze, MDGaithersburg, MD 208781245885672
- Shikha Deva, MDDarnestown, MD 208781114245966
- Anna Ford, M.D.Gaithersburg, MD 208781760913826
- Daniel Gold, M.D.Gaithersburg, MD 208781952669236
- Jeremy Janssen, M.D.Gaithersburg, MD 208781255414371
- Robert Levine, D.O.Gaithersburg, MD 208781417274432
- Christian Nwankwo, M.D., MPH, FAAFPGaithersburg, MD 208781881765170
- Amy Nwankwo, MDGaithersburg, MD 208781467981167
Common questions
What is Mark Jeffrey Davis, M.D.'s NPI number?
Mark Jeffrey Davis, M.D.'s National Provider Identifier (NPI) is 1740598804, issued on Sep 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Jeffrey Davis, M.D. located?
The NPPES record lists a practice address at 10810 Darnestown RD Ste 202, North Potomac, MD, 20878. Phone: (301) 424-1780. Providers update this record themselves, so call before visiting.
How can I verify Mark Jeffrey Davis, M.D.'s license?
NPPES lists Maryland license number D40217, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Jeffrey Davis, M.D. prescribe under Medicare Part D?
In 2024, Mark Jeffrey Davis, M.D. had 650 Medicare Part D claims for 89 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.