Mark Mumford Malkus, M.D.
Family Medicine Physician · Cambridge, MD
Mark Mumford Malkus, M.D. is a family medicine physician with a practice address in Cambridge, Maryland, and NPI 1033286703, issued on Nov 29, 2006. Check the license (Maryland D0050804, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark Mumford Malkus
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0050804 MD
Self-reported in NPPES; status is on the state search - Practice location
- 408 Byrn St, Cambridge, MD 21613
- Phone
- (410) 228-1068
- Enumerated
- Nov 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 228-6338
- Medicare enrollment
- Enrolled (PECOS I20101021001000); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Verify Mark Mumford Malkus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0050804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,229 Medicare Part D claims for 334 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 130 claims were for opioids.
Most prescribed
- Atorvastatin Calcium239 claims
- Amlodipine Besylate141 claims
- Losartan Potassium116 claims
- Levothyroxine Sodium112 claims
- Lisinopril99 claims
- Pantoprazole Sodium98 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: $423.83
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Bills Medicare through one group practice
- Sailwinds Medical, LLCCambridge, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Mumford Malkus among 1,912 family medicine physician records in Maryland
Mark Mumford Malkus, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2004 among the 1,141 with a school on file
- Record last updated2007 · 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).
15 family medicine physician records list a practice address in Cambridge
They are 15 of the 333 NPPES records with a practice address in Cambridge, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Cambridge → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sara Coulbourn, M.D.Cambridge, MD 216131780020289
- Christina Drostin, MDCambridge, MD 216131497048524
- Jeevan Errabolu, M.D.Cambridge, MD 216131215165543
- Martin Garcia-Bunuel, M.D.Cambridge, MD 216131154384147
- Davindra Jailall, M.D.Cambridge, MD 216131790887370
- Patricia Johnson, D.O.Cambridge, MD 216131093822538
- Karen Moffett, MDCambridge, MD 216131881669026
- Michael Moskewicz, MDCambridge, MD 216131427012020
Common questions
What is Mark Mumford Malkus, M.D.'s NPI number?
Mark Mumford Malkus, M.D.'s National Provider Identifier (NPI) is 1033286703, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Mumford Malkus, M.D. located?
The NPPES record lists a practice address at 408 Byrn St, Cambridge, MD, 21613. Phone: (410) 228-1068. Providers update this record themselves, so call before visiting.
How can I verify Mark Mumford Malkus, M.D.'s license?
NPPES lists Maryland license number D0050804, 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 Mumford Malkus, M.D. prescribe under Medicare Part D?
In 2024, Mark Mumford Malkus, M.D. had 4,229 Medicare Part D claims for 334 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.