NPPES file of Aug 9, 2026

Allen Ray Sing Chen, M.D.

Medical Oncology Physician · Baltimore, MD

Allen Ray Sing Chen, M.D. is a medical oncology physician with a practice address in Baltimore, Maryland, and NPI 1114976065, issued on May 9, 2006. Check the license (Maryland D47025, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114976065
Name
Allen Ray Sing Chen
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
D47025 MD
Self-reported in NPPES; status is on the state search
Practice location
600 N Wolfe St, Baltimore, MD 21287
Phone
(410) 955-8751
Enumerated
May 9, 2006
Record last updated
Sep 18, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
230111300 MD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 600 N Wolfe St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abdulrahman Abodarahim, MBBCHOphthalmology Physician1770182560
  2. Aida Abou-ZamzamStudent in an Organized Health Care Education/Training Program1891456034
  3. Mya AbousyStudent in an Organized Health Care Education/Training Program1700422169
  4. Christopher Abularrage, MDVascular Surgery Physician1063675908
  5. Sahaja Acharya, M.D.Radiation Oncology Physician1639436603
  6. Stephen Achuff, M.D.Cardiovascular Disease Physician1326001033

Verify Allen Ray Sing Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D47025
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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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.

  1. Qualityout of 100 · 30% of the final score64.7
  2. Costout of 100 · 30%52.4
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $23.19

1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Allen Chen$23
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Allen Ray Sing Chen among 224 medical oncology physician records in Maryland

Allen Ray Sing Chen, M.D. is one of 224 medical oncology physician records with a practice address in Maryland. 67% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 53% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2012 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Maryland

There are 224 medical oncology physician records in Maryland.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Richard Ambinder, M.D.Baltimore, MD 212871528022407
  2. Mary Armanios, M.D.Baltimore, MD 212871588628390
  3. Atul Bedi, M.D.Baltimore, MD 212871760447114
  4. Julie Brahmer, M.D.Baltimore, MD 212871982661989
  5. Patrick Brown, M.D.Baltimore, MD 212871154389633
  6. Michael Carducci, M.D.Baltimore, MD 212871952369977
  7. Curt Civin, M.D.Baltimore, MD 212871962453076
  8. Steven Gore, M.D.Baltimore, MD 212871679527774

Common questions

What is Allen Ray Sing Chen, M.D.'s NPI number?

Allen Ray Sing Chen, M.D.'s National Provider Identifier (NPI) is 1114976065, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allen Ray Sing Chen, M.D. located?

The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-8751. Providers update this record themselves, so call before visiting.

How can I verify Allen Ray Sing Chen, M.D.'s license?

NPPES lists Maryland license number D47025, 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 Allen Ray Sing Chen, M.D.'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.