NPPES file of Aug 9, 2026

Sean Leng, M.D.

Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD

Sean Leng, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1952346546, issued on Jun 18, 2006. Check the license (Maryland D56654, 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
1952346546
Name
Sean Leng
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
D56654 MD
Self-reported in NPPES; status is on the state search
Practice location
5505 Hopkins Bayview Cir, Baltimore, MD 21224
Phone
(410) 550-0925
Enumerated
Jun 18, 2006
Record last updated
Feb 11, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
687901200 MD
Medicare enrollment
Enrolled (PECOS I20050411000252); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5505 Hopkins Bayview Cir

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

  1. Peter Abadir, M.D.Geriatric Medicine (Internal Medicine) Physician1871792432
  2. Jeremy Barron, M.D.Geriatric Medicine (Internal Medicine) Physician1881659076
  3. Berny Bastiampillai, M.D.Student in an Organized Health Care Education/Training Program1588048920
  4. Jazmin BlackPharmacist1366810905
  5. Ilene Browner, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1598723074
  6. John Burton, M.D.Geriatric Medicine (Internal Medicine) Physician1386602878

Verify Sean Leng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D56654
    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: $49,964.65

58 payments; by number, the most common kind was travel and lodging; the largest payer was GlaxoSmithKline, LLC. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sean Leng$49,965
  2. Specialty average$1,721

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

Bills Medicare through one group practice

  1. Johns Hopkins UniversityBaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sean Leng among 139 geriatric medicine (internal medicine) physician records in Maryland

Sean Leng, M.D. is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% 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, 38% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1984 · median 1997 among the 66 with a school on file
  • Record last updated2013 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Maryland

There are 139 geriatric medicine (internal medicine) physician records in Maryland.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Jeremy Barron, M.D.Baltimore, MD 212241881659076
  2. Michele Bellantoni, M.D.Baltimore, MD 212241275598427
  3. Cynthia Boyd, M.D.Baltimore, MD 212241821055310
  4. John Burton, M.D.Baltimore, MD 212241386602878
  5. Danelle Cayea, M.D.Baltimore, MD 212241487603957
  6. Colleen Christmas, M.D.Baltimore, MD 212241013968114
  7. Victor Crentsil, M.D.Baltimore, MD 212241851348726
  8. Sheila Gonzalgo, M.D.Baltimore, MD 212241730130352

Common questions

What is Sean Leng, M.D.'s NPI number?

Sean Leng, M.D.'s National Provider Identifier (NPI) is 1952346546, issued on Jun 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sean Leng, M.D. located?

The NPPES record lists a practice address at 5505 Hopkins Bayview Cir, Baltimore, MD, 21224. Phone: (410) 550-0925. Providers update this record themselves, so call before visiting.

How can I verify Sean Leng, M.D.'s license?

NPPES lists Maryland license number D56654, 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 Sean Leng, 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.