Robert Chen, DO
Family Medicine Physician · Rockville, MD
Robert Chen, DO is a family medicine physician with a practice address in Rockville, Maryland, and NPI 1538745021, issued on Mar 23, 2021. Check the license (Maryland H0098793, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Robert Chen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H0098793 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1201 Seven Locks RD Ste 111, Rockville, MD 20854
- Phone
- (301) 762-5020
- Enumerated
- Mar 23, 2021
- Record last updated
- Jan 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20240719000723); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Virginia Campus, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 1201 Seven Locks RD Ste 111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Caccavo, MSN, CRNP, FNP-CFamily Nurse Practitioner1336859974
- Allison Hockman, DOFamily Medicine Physician1952892127
- Stefanie Holtzer, NPAdult Health Nurse Practitioner1730895046
- Christina Johannessen, FNPFamily Nurse Practitioner1932862919
- Susan Kioko, NPAdult Health Nurse Practitioner1720491293
- Sheeva Mostoufi, PHDClinical Psychologist1083166755
Verify Robert Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0098793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
418 Medicare Part D claims for 166 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate23 claims
- Lisinopril22 claims
- Atorvastatin Calcium17 claims
- Metformin Hcl14 claims
- Famotidine13 claims
- Ozempic12 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.
Industry payments in 2024: $47.05
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Privia Care Center LLCRockville, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Chen among 1,912 family medicine physician records in Maryland
Robert Chen, DO is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2004 among the 1,141 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 family medicine physician records list a practice address in Rockville
They are 77 of the 14,353 NPPES records with a practice address in Rockville, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Rockville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kelly Cowen, MDRockville, MD 208541225033731
- Don Greenberg, M.D.Potomac, MD 208541467650127
- Allison Hockman, DORockville, MD 208541952892127
- Alisha Liu, M.D.Potomac, MD 208541114373107
- Venuka Mabotuwana, M.D.Potomac, MD 208541952741464
- Inez Pandit, M.D.Potomac, MD 208541861629115
- Michael Rosnick, M.D.Potomac, MD 208541174673610
- Eleanor Tanno, M.D.Rockville, MD 208541285048009
Common questions
What is Robert Chen, DO's NPI number?
Robert Chen, DO's National Provider Identifier (NPI) is 1538745021, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Robert Chen, DO located?
The NPPES record lists a practice address at 1201 Seven Locks RD Ste 111, Rockville, MD, 20854. Phone: (301) 762-5020. Providers update this record themselves, so call before visiting.
How can I verify Robert Chen, DO's license?
NPPES lists Maryland license number H0098793, 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 Robert Chen, DO prescribe under Medicare Part D?
In 2024, Robert Chen, DO had 418 Medicare Part D claims for 166 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.