AerobiosisAntibiosisDisease Models, Animal
Dr. Lei Jia Chen, MD
NPI1144422049PAC ID3072706894
- Medicare services, 2024
- 304
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 53
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen's 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.
Dr. Lei Jia Chen is a hospitalist in Baltimore, Maryland
Dr. Chen practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Chen's NPI, 1144422049, was assigned on June 3, 2007. Dr. Chen holds Maryland license D71215.
NPI and contact details
- NPI
- 1144422049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072706894
- NPI enumeration date
- June 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lei Jia Chen practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Chen's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Lei Jia Chen is affiliated with 1 site of care and 1 medical group
Dr. Chen's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. The medical group on file is University of Maryland Medical Center Gastroenterology and Hepatology.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lei Jia Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lei Jia Chen is one of 415 hospitalists in Maryland
Hospitalist is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Chen is licensed in Maryland.
Specialties and state licenses
- Hospitalist, MarylandPrimary
Hospitalists near Dr. Chen
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
415hospitalists in Maryland111hospitalists in Baltimore31hospitalists at University of Maryland Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lei Jia Chen billed Medicare for 304 services in 2024
CMS data shows 304 Medicare services from Dr. Chen across 4 procedure codes in 2024, for 170 Medicare patients. Medicare paid $29,410 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024304
Medicare patients170
Paid by Medicare$29,410
Procedure codes4
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2782024: 3049%
Dr. Chen compared with the Maryland median for hospitalists, 2024
- Dr. Chen
- Maryland median
- Medicare services
- 304vs 65053% below
- Medicare patients
- 170vs 29142% below
Medians across 388 hospitalists in Maryland with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lei Jia Chen treated 170 Medicare patients in 2024, average age 70
CMS counts 170 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 3.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 65, with 49% women.
Medicare patients, 2024170
Average age70
Average risk score3.10
Also on Medicaid46%
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women8852%
- Men8248%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Chronic kidney disease54%
- Mood disorders54%
- Diabetes51%
- Ischemic heart disease46%
- Anxiety45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lei Jia Chen wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 53 Medicare Part D claims for 28 patients. 72% of them were for generic drugs.
Part D claims, 202453
Part D patients28
Dr. Chen's Part D claims by kind of drug, 2024
- Generic38 claims72%
- Brand-name and other15 claims28%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Lei Jia Chen takes part in Medicare
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Lei Jia Chen has 6 publications on record
Dmand AI links 6 papers to Dr. Chen, published from 2010 to 2016. The most frequent topics are Streptococcus sanguis, Streptococcus mutans and Antibiosis. Dr. Chen has published most often in Microbiology (Reading). Dr. Chen's most frequent co-authors are Lei Chen, MD, Lei Chen, MD and Jerry Xu, MD.
Papers6
Years published2010 to 2016
Dr. Chen's papers by year, 2010 to 2016
Topics Dr. Chen writes about most
- Streptococcus sanguis
- Streptococcus mutans
- Antibiosis
- Bacterial Proteins
- Disease Models, Animal
- Endocarditis, Bacterial
- Genes, Bacterial
- Genes, Essential
Dr. Chen's most frequent co-authors
Recent publications by Dr. Chen
Microbiology (Reading)
Bacterial AdhesionCell DivisionChromosome Segregation
Adaptation, PhysiologicalAmino Acid SequenceBacterial Proteins
Bacillus subtilisGenes, EssentialGenome, Bacterial
Microbiology (Reading)
AntibiosisBacterial ProteinsCulture Media
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Lei Jia Chen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Lei Jia Chen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lei Jia Chen's NPI number?
Dr. Lei Jia Chen's NPI number is 1144422049. It was assigned on June 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Lei Jia Chen?
Dr. Lei Jia Chen is a hospitalist in Baltimore, Maryland. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Lei Jia Chen practice?
Dr. Chen practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Chen's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
What is Dr. Lei Jia Chen's office phone number?
The practice phone on file for Dr. Chen is (410) 328-8667.
What is Dr. Lei Jia Chen's medical license number?
Dr. Chen holds Maryland license D71215.
Which hospitals is Dr. Lei Jia Chen affiliated with?
Dr. Chen practices at University of Maryland Medical Center in Baltimore, Maryland.
What medical group is Dr. Lei Jia Chen part of?
Dr. Chen is linked to University of Maryland Medical Center Gastroenterology and Hepatology.
Does Dr. Lei Jia Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 304 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Lei Jia Chen see?
CMS counts 170 Medicare patients who saw Dr. Chen in 2024, with an average age of 70.
What services does Dr. Lei Jia Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Show 3 more questionsShow fewer questions
How long has Dr. Lei Jia Chen been practicing?
Dr. Chen graduated from medical school in 2007, 19 years ago.
Does Dr. Lei Jia Chen do research?
Dmand AI links 6 publications to Dr. Chen, published from 2010 to 2016.
Who does Dr. Lei Jia Chen publish with?
Dr. Chen's most frequent co-authors are Lei Chen, MD (6 shared papers), Lei Chen, MD (2 shared papers) and Jerry Xu, MD (1 shared paper).
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