Justin Ewen Elfrey, D.O.
Internal Medicine Physician · Lutherville, MD
Justin Ewen Elfrey, D.O. is an internal medicine physician with a practice address in Lutherville, Maryland, and NPI 1386968253, issued on Mar 22, 2010. Check the license (Maryland H0076217, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Justin Ewen Elfrey
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H0076217 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2328 W Joppa RD Ste 310, Lutherville, MD 21093
- Phone
- (410) 616-2805
- Enumerated
- Mar 22, 2010
- Record last updated
- May 6, 2024
- Fax
- (833) 464-4300
- Medicare enrollment
- Enrolled (PECOS I20130814000611); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 2328 W Joppa RD Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Ewen Elfrey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0076217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,516 Medicare Part D claims for 220 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium204 claims
- Rosuvastatin Calcium172 claims
- Amlodipine Besylate146 claims
- Losartan Potassium79 claims
- Pantoprazole Sodium67 claims
- Ozempic66 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $741.00
37 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
- Greenspring Personal Medicine, LLCLutherville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Ewen Elfrey among 3,904 internal medicine physician records in Maryland
Justin Ewen Elfrey, D.O. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2003 among the 2,445 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 internal medicine physician records list a practice address in Lutherville
They are 65 of the 952 NPPES records with a practice address in Lutherville, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Lutherville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Aucott, M.D.Lutherville, MD 210931578564233
- Christine Bell Lafferman, M.D.Lutherville, MD 210931992771653
- Holly Dahlman, M.D.Lutherville, MD 210931962464552
- Norman Dy, MDLutherville Timonium, MD 210931215997275
- Melissa Fox, M.D.Lutherville, MD 210931700843273
- Tammy Hadley, M.D.Lutherville, MD 210931598766958
- Nicholas Mellis, M.D.Timonium, MD 210931588663108
- Susan Molinaro, M.D.Lutherville, MD 210931518968874
Common questions
What is Justin Ewen Elfrey, D.O.'s NPI number?
Justin Ewen Elfrey, D.O.'s National Provider Identifier (NPI) is 1386968253, issued on Mar 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Justin Ewen Elfrey, D.O. located?
The NPPES record lists a practice address at 2328 W Joppa RD Ste 310, Lutherville, MD, 21093. Phone: (410) 616-2805. Providers update this record themselves, so call before visiting.
How can I verify Justin Ewen Elfrey, D.O.'s license?
NPPES lists Maryland license number H0076217, 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 Justin Ewen Elfrey, D.O. prescribe under Medicare Part D?
In 2024, Justin Ewen Elfrey, D.O. had 2,516 Medicare Part D claims for 220 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Justin Ewen Elfrey, D.O.'s MIPS final score?
The 2023 MIPS final score is 76.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.