Lei Jia Chen, MD
Hospitalist Physician · Baltimore, MD
Lei Jia Chen, MD is a hospitalist physician with a practice address in Baltimore, Maryland, and NPI 1144422049, issued on Jun 3, 2007. Check the license (Maryland D71215, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Lei Jia Chen
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- D71215 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-6110
- Enumerated
- Jun 3, 2007
- Record last updated
- Nov 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 328-7607
- Medicaid ID
- 510436000 MD
- Medicare enrollment
- Enrolled (PECOS I20101025000476); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 397 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lei Jia Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D71215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average hospitalist physician in 2024
53 Medicare Part D claims for 28 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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 one group practice
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lei Jia Chen among 397 hospitalist physician records in Maryland
Lei Jia Chen, MD is one of 397 hospitalist physician records with a practice address in Maryland. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 73% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2007 · median 2010 among the 330 with a school on file
- Record last updated2011 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Maryland
There are 397 hospitalist physician records in Maryland.
All 397 in Maryland → Every provider in Baltimore → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- George Baffoe-Bonnie, M.D.Baltimore, MD 212011780642090
- Kimberly Clark, PA-CBaltimore, MD 212011144368226
- Philip Dittmar, MDBaltimore, MD 212011932243342
- Kathryn Eshelman, M.D.Baltimore, MD 212011558375147
- Mangla Gulati, M.D.Baltimore, MD 212011740259274
- Cheryl Hepp, MDBaltimore, MD 212011023152444
- Saverio Mirarchi, M.D.Baltimore, MD 212011639124365
- Neha Mitra, MDBaltimore, MD 212011083758437
Common questions
What is Lei Jia Chen, MD's NPI number?
Lei Jia Chen, MD's National Provider Identifier (NPI) is 1144422049, issued on Jun 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lei Jia Chen, MD located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-6110. Providers update this record themselves, so call before visiting.
How can I verify Lei Jia Chen, MD's license?
NPPES lists Maryland license number D71215, 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 Lei Jia Chen, MD prescribe under Medicare Part D?
In 2024, Lei Jia Chen, MD had 53 Medicare Part D claims for 28 beneficiaries; the average among hospitalist physician prescribers was 521. 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.