John Duncan Ross Thomson
Pediatrics Physician · Baltimore, MD
John Duncan Ross Thomson is a pediatrics physician with a practice address in Baltimore, Maryland, and NPI 1962179945, issued on Aug 26, 2021. Check the license (Maryland D48439, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Duncan Ross Thomson
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- D48439 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Orleans St, Baltimore, MD 21287
- Phone
- (443) 287-0526
- Enumerated
- Aug 26, 2021
- Record last updated
- Aug 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 955-0897
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,842 in Maryland → Look up another NPI →
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Verify John Duncan Ross Thomson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D48439Check 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: $11,097.22
21 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 21,580 providers of this specialty with any payment received $842.05 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.
John Duncan Ross Thomson among 1,842 pediatrics physician records in Maryland
John Duncan Ross Thomson is one of 1,842 pediatrics physician records with a practice address in Maryland. 35% 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 93% of them.
- NPI issued2021 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
522 pediatrics physician records list a practice address in Baltimore
They are 522 of the 35,183 NPPES records with a practice address in Baltimore, and 1,842 pediatrics physician records in Maryland.
All 1,842 in Maryland → Every provider in Baltimore → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Hoover Adger, M.D.Baltimore, MD 212871265495949
- Marilee Allen, M.D.Baltimore, MD 212871861457350
- Brian Alverson, MDBaltimore, MD 212871841244399
- Jennifer Anders, M.D.Baltimore, MD 212871821052184
- Joel Brenner, M.D.Baltimore, MD 212871477511533
- Tina Cheng, M.D.Baltimore, MD 212871164471041
- Jeffrey Keefer, M.D.Baltimore, MD 212871528015708
- Julia McMillan, M.D.Baltimore, MD 212871225088578
Common questions
What is John Duncan Ross Thomson's NPI number?
John Duncan Ross Thomson's National Provider Identifier (NPI) is 1962179945, issued on Aug 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John Duncan Ross Thomson located?
The NPPES record lists a practice address at 1800 Orleans St, Baltimore, MD, 21287. Phone: (443) 287-0526. Providers update this record themselves, so call before visiting.
How can I verify John Duncan Ross Thomson's license?
NPPES lists Maryland license number D48439, 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 John Duncan Ross Thomson'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.