Jimmy Shanjun Chen, MD
Psychiatry Physician · Montgomery Village, MD
Jimmy Shanjun Chen, MD is a psychiatry physician with a practice address in Montgomery Village, Maryland, and NPI 1164534723, issued on Aug 31, 2006. Check the license (Maryland D00059660, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jimmy Shanjun Chen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D00059660 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18502 Office Park Drive, Montgomery Village, MD 20886
- Phone
- (301) 740-2680
- Enumerated
- Aug 31, 2006
- Record last updated
- Dec 26, 2023
- Fax
- (301) 560-4924
- Medicare enrollment
- Enrolled (PECOS I20040426001951); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 18502 Office Park Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwan Castellani, LCSW-CClinical Social Worker1679002471
Verify Jimmy Shanjun Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D00059660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average psychiatry physician in 2024
3,247 Medicare Part D claims for 205 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Escitalopram Oxalate444 claims
- Memantine Hcl421 claims
- Sertraline Hcl291 claims
- Trazodone Hcl282 claims
- Alprazolam251 claims
- Lorazepam211 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.
Jimmy Shanjun Chen among 1,451 psychiatry physician records in Maryland
Jimmy Shanjun Chen, MD is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1984 · median 2000 among the 525 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Maryland
There are 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Montgomery Village → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Alberto Diaz, MDMontgomery Village, MD 208861699252155
- Enoch Barrios, M.D.Bethesda, MD 208891700849304
- Russell Carr, M.D.Bethesda, MD 208891316909450
- Pamela Feeley, M.D.Gaithersburg, MD 208831447366984
- Jacob Friesen, M.D.Bethesda, MD 208891003877176
- Mandy Garber, MDBethesda, MD 208891629091962
- Joshua Morganstein, M.D.Bethesda, MD 208891679662662
- Theodore Nam, M.D.Bethesda, MD 208891558467761
Common questions
What is Jimmy Shanjun Chen, MD's NPI number?
Jimmy Shanjun Chen, MD's National Provider Identifier (NPI) is 1164534723, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jimmy Shanjun Chen, MD located?
The NPPES record lists a practice address at 18502 Office Park Drive, Montgomery Village, MD, 20886. Phone: (301) 740-2680. Providers update this record themselves, so call before visiting.
How can I verify Jimmy Shanjun Chen, MD's license?
NPPES lists Maryland license number D00059660, 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 Jimmy Shanjun Chen, MD prescribe under Medicare Part D?
In 2024, Jimmy Shanjun Chen, MD had 3,247 Medicare Part D claims for 205 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.