Malcolm Xavier Jefferies Sr.
- Part D claims, 2024
- 168
- Industry payments
- $267
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 125 Slade Ave, Pikesville, MD 21208
- Practice phone
- Call (443) 904-3424
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hampden Health Solutions at the Rail, Inc.
Pikesville, Maryland
Find Malcolm Jefferies' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Malcolm Xavier Jefferies Sr. is a family medicine physician in Pikesville, Maryland
Malcolm Jefferies practices at Hampden Health Solutions at the Rail, Inc. in Pikesville, Maryland.
Malcolm Jefferies' NPI, 1578223400, was assigned on December 20, 2021. Malcolm Jefferies holds Maryland license R211193.
- NPI
- 1578223400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820444953
- NPI enumeration date
- December 20, 2021
- NPI status
- Active
- Practice phone
- (443) 904-3424
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Malcolm Xavier Jefferies Sr. practices at Hampden Health Solutions at the Rail, Inc. in Pikesville, Maryland
Malcolm Jefferies' primary practice is Hampden Health Solutions at the Rail, Inc., at 125 Slade Ave, Pikesville, MD 21208 in Baltimore County. The practice phone is (443) 904-3424.
- Hampden Health Solutions at the Rail, Inc.125 Slade Ave, Pikesville, MD 21208 · Baltimore CountyPhone(443) 904-3424
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Malcolm Xavier Jefferies Sr. is affiliated with 2 sites of care and 1 medical group
Malcolm Jefferies' primary practice is Hampden Health Solutions at the Rail, Inc. in Pikesville, Maryland. The medical group on file is Patriot Urgent Care. Dmand AI also links Malcolm Jefferies to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Malcolm Xavier Jefferies Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Malcolm Jefferies practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hampden Health Solutions at the Rail, Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Malcolm Xavier Jefferies Sr. is one of 1,698 family medicine physicians in Maryland
Family medicine is Malcolm Jefferies' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Malcolm Jefferies is licensed in Maryland.
Specialties and state licenses
- Family medicine, MarylandPrimary
Family medicine physicians near Malcolm Jefferies
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Malcolm Xavier Jefferies Sr.'s patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Malcolm Jefferies' median patient age at 38, with 38% women.
Malcolm Jefferies' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women38%
- Men61%
Source: Dmand AI Patient Panel Data
Malcolm Xavier Jefferies Sr. wrote 168 Medicare Part D claims in 2024
In 2024, Malcolm Jefferies wrote 168 Medicare Part D claims for 27 patients. 74% of them were for generic drugs. CMS names the drug for 90 of them, across 3 drugs with 11 or more claims each, at $4,574 in total drug cost.
Malcolm Jefferies' Part D claims by kind of drug, 2024
- Generic124 claims74%
- Brand-name44 claims26%
Malcolm Jefferies' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Malcolm Xavier Jefferies Sr. received $267 in industry payments from 2022 to 2025
CMS Open Payments shows 9 general payments to Malcolm Jefferies from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $263.
General payments to Malcolm Jefferies by program year, 2022 to 2025
Companies that paid Malcolm Jefferies the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Malcolm Xavier Jefferies Sr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Malcolm Xavier Jefferies Sr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Malcolm Xavier Jefferies Sr.'s NPI number?
Malcolm Xavier Jefferies Sr.'s NPI number is 1578223400. It was assigned on December 20, 2021, and it is active in the NPI Registry.
What does Malcolm Xavier Jefferies Sr. specialize in?
Malcolm Xavier Jefferies Sr. is a family medicine physician in Pikesville, Maryland. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Malcolm Xavier Jefferies Sr. practice?
Malcolm Jefferies practices at 125 Slade Ave, Pikesville, MD 21208. Malcolm Jefferies' primary practice is Hampden Health Solutions at the Rail, Inc. in Pikesville, Maryland. Dmand AI also links Malcolm Jefferies to 1 physician office.
What is Malcolm Xavier Jefferies Sr.'s office phone number?
The practice phone on file for Malcolm Jefferies is (443) 904-3424.
What is Malcolm Xavier Jefferies Sr.'s medical license number?
Malcolm Jefferies holds Maryland license R211193.
What medical group is Malcolm Xavier Jefferies Sr. part of?
Malcolm Jefferies is linked to Patriot Urgent Care.
What drugs does Malcolm Xavier Jefferies Sr. prescribe most?
In 2024 Medicare Part D data, Malcolm Jefferies' most prescribed drugs by claims were Suboxone, Topiramate and Buprenorphine-Naloxone.
Has Malcolm Xavier Jefferies Sr. received payments from drug or device companies?
CMS Open Payments shows $267 in general payments to Malcolm Jefferies from 2 companies from 2022 to 2025. The largest total came from Abbvie Inc.
How long has Malcolm Xavier Jefferies Sr. been practicing?
Malcolm Jefferies graduated from medical school in 2021, 5 years ago.
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