Rena Ruiyu Xian, MD
Anatomic Pathology & Clinical Pathology Physician · Baltimore, MD
Rena Ruiyu Xian, MD is an anatomic pathology & clinical pathology physician with a practice address in Baltimore, Maryland, and NPI 1750525325, issued on Apr 28, 2009. Check the license (Maryland D84801, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Rena Ruiyu Xian
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- D84801 MD
MT194780 PA
Self-reported in NPPES; status is on the state search - Practice location
- 401 North Broadway, Baltimore, MD 21231
- Phone
- (215) 662-4829
- Enumerated
- Apr 28, 2009
- Record last updated
- Mar 30, 2023
- Medicare enrollment
- Enrolled (PECOS I20180509002390); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 357 in Maryland → Look up another NPI →
Also registered at 401 North Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Helen ByrnesAcute Care Nurse Practitioner1538589528
- Kathryn CampionAcute Care Nurse Practitioner1659992386
- Patrick Forde, M.D.Hematology & Oncology Physician1467733113
- John Gross, M.D.Anatomic Pathology & Clinical Pathology Physician1760748065
Verify Rena Ruiyu Xian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D84801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,659.92
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Roche Sequencing Solutions, Inc. The 2,607 providers of this specialty with any payment received $3,565.00 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
- Johns Hopkins UniversityBaltimore, MD
- Johns Hopkins UniversityBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rena Ruiyu Xian among 357 anatomic pathology & clinical pathology physician records in Maryland
Rena Ruiyu Xian, MD is one of 357 anatomic pathology & clinical pathology physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2009 · median 2003 among the 191 with a school on file
- Record last updated2023 · 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 207ZP0102X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Maryland
There are 357 anatomic pathology & clinical pathology physician records in Maryland.
All 357 in Maryland → Every provider in Baltimore → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- John Gross, M.D.Baltimore, MD 212311760748065
- William Ingram, M.D.Baltimore, MD 212311225127624
- Adeboye Osunkoya, M.D.Baltimore, MD 212311003955030
- Wenle Wang, M.D., PH.D.Baltimore, MD 212311063562726
- Deyin Xing, M.D.Baltimore, MD 212311013207935
- Alexander Berrebi, M.D.Baltimore, MD 212301720321375
- Deborah Belchis, M.D.Baltimore, MD 212291295833853
- Deepa Dutta, M.D.Baltimore, MD 212291124122676
Common questions
What is Rena Ruiyu Xian, MD's NPI number?
Rena Ruiyu Xian, MD's National Provider Identifier (NPI) is 1750525325, issued on Apr 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rena Ruiyu Xian, MD located?
The NPPES record lists a practice address at 401 North Broadway, Baltimore, MD, 21231. Phone: (215) 662-4829. Providers update this record themselves, so call before visiting.
How can I verify Rena Ruiyu Xian, MD's license?
NPPES lists Maryland license number D84801, 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.
What is Rena Ruiyu Xian, MD's MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.