NPPES file of Aug 9, 2026

Christopher Ryan Chapman, MD

Pediatric Orthopaedic Surgery Physician · Brooklyn, NY

Christopher Ryan Chapman, MD is a pediatric orthopaedic surgery physician with a practice address in Brooklyn, New York, and NPI 1720620149, issued on Oct 17, 2019. Check the license (New York 300335, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1720620149
Name
Christopher Ryan Chapman
Credential
MD
Primary taxonomy
Pediatric Orthopaedic Surgery Physician 207XP3100X
License number
300335 NY
Self-reported in NPPES; status is on the state search
Practice location
450 Clarkson Ave, Brooklyn, NY 11203
Phone
(718) 270-1000
Enumerated
Oct 17, 2019
Record last updated
Jul 21, 2021 (not updated in 5 years: call before relying on the address or phone)
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 450 Clarkson Ave

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

  1. Sana Abbas, DOStudent in an Organized Health Care Education/Training Program1629863212
  2. Rabab Abdalla, MDStudent in an Organized Health Care Education/Training Program1780325621
  3. Marie Abdallah, MDStudent in an Organized Health Care Education/Training Program1073743639
  4. Ahmed AbdelfattahStudent in an Organized Health Care Education/Training Program1508708959
  5. Haram AbdelmajidStudent in an Organized Health Care Education/Training Program1093348054
  6. Sara AbdelrahamanStudent in an Organized Health Care Education/Training Program1659143568

Verify Christopher Ryan Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 300335
    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 New York license search

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The MIPS final score for 2023 (Medicare payment program): 93.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score72.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%90.6
  4. Improvement activities40 of 40 points · 15%100.0

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

Christopher Ryan Chapman among 58 pediatric orthopaedic surgery physician records in New York

Christopher Ryan Chapman, MD is one of 58 pediatric orthopaedic surgery physician records with a practice address in New York. 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 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 3% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2021 · 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 207XP3100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Orthopaedic Surgery Physician providers in New York

There are 58 pediatric orthopaedic surgery physician records in New York.

The 8 pediatric orthopaedic surgery physician records with the nearest ZIP codes

  1. Khalid Hesham, M.D.Brooklyn, NY 112031619105475
  2. Christen Russo, MDBrooklyn, NY 112151982866463
  3. Aaradhana Jha, MDBrooklyn, NY 112311831730860
  4. Surendranath Reddy, MDFlushing, NY 113551801005087
  5. Jessica Bernstein, MDNew Hyde Park, NY 110421457856130
  6. Allison Spitzer, M.D.New Hyde Park, NY 110421154689867
  7. Elaine Tran, M.D.New Hyde Park, NY 110421063831006
  8. Jon-Paul Dimauro, M.D.New Hyde Park, NY 110401477794584

Common questions

What is Christopher Ryan Chapman, MD's NPI number?

Christopher Ryan Chapman, MD's National Provider Identifier (NPI) is 1720620149, issued on Oct 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Ryan Chapman, MD located?

The NPPES record lists a practice address at 450 Clarkson Ave, Brooklyn, NY, 11203. Phone: (718) 270-1000. Providers update this record themselves, so call before visiting.

How can I verify Christopher Ryan Chapman, MD's license?

NPPES lists New York license number 300335, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Christopher Ryan Chapman, MD's MIPS final score?

The 2023 MIPS final score is 93.5 of 100. 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.