Jennifer Cox Janus, M.D.
Internal Medicine Physician · Hagerstown, MD
Jennifer Cox Janus, M.D. is an internal medicine physician with a practice address in Hagerstown, Maryland, and NPI 1265517742, issued on Oct 25, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jennifer Cox Janus
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22396 WV
Self-reported in NPPES; status is on the state search - Practice location
- 12916 Conamar Drive, Hagerstown, MD 21742
- Phone
- (301) 791-0600
- Enumerated
- Oct 25, 2006
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (301) 791-0860
- Medicaid ID
- 3810006509 WV
- Medicare enrollment
- Enrolled (PECOS I20171014000010); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2002
- 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 12916 Conamar Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Larry Shranatan, DOFamily Medicine Physician1245343342
Verify Jennifer Cox Janus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average internal medicine physician in 2024
4,604 Medicare Part D claims for 413 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 149 claims were for opioids.
Most prescribed
- Atorvastatin Calcium246 claims
- Levothyroxine Sodium154 claims
- Rosuvastatin Calcium151 claims
- Amlodipine Besylate147 claims
- Metoprolol Succinate125 claims
- Hydrochlorothiazide123 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.
Bills Medicare through 3 group practices
- Johns Hopkins Community Physicians, IncHagerstown, MD
- Meritus Medical Center IncHagerstown, MD
- Phoenix Rehabilitation And Health Services IncCranberry Township, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Cox Janus among 3,904 internal medicine physician records in Maryland
Jennifer Cox Janus, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2003 among the 2,445 with a school on file
- Record last updated2013 · 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).
39 internal medicine physician records list a practice address in Hagerstown
They are 39 of the 2,414 NPPES records with a practice address in Hagerstown, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Hagerstown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sumaira Ali, M.DHagerstown, MD 217421164857462
- Sarah Arshad, M.D.Hagerstown, MD 217421255744157
- Chuckia Brown-Tisdale, M.D.Hagerstown, MD 217421306836804
- Samuel Chan, M.D.Hagerstown, MD 217421972538841
- Jerry Correces, M.D.Hagerstown, MD 217421770535320
- Vikram Gunnala, DOHagerstown, MD 217421356414890
- Li Han, M.D.Hagerstown, MD 217421972866630
- Steven Hatleberg, M.D.Hagerstown, MD 217421992768600
Common questions
What is Jennifer Cox Janus, M.D.'s NPI number?
Jennifer Cox Janus, M.D.'s National Provider Identifier (NPI) is 1265517742, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Cox Janus, M.D. located?
The NPPES record lists a practice address at 12916 Conamar Drive, Hagerstown, MD, 21742. Phone: (301) 791-0600. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Cox Janus, M.D.'s license?
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 Jennifer Cox Janus, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Cox Janus, M.D. had 4,604 Medicare Part D claims for 413 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.