NPPES file of Aug 9, 2026

Ian Todd Dempsey, AGACNP

Acute Care Nurse Practitioner · Brooklyn, NY

Ian Todd Dempsey, AGACNP is an acute care nurse practitioner with a practice address in Brooklyn, New York, and NPI 1336701622, issued on Jul 8, 2019. Check the license (New York 431529, as entered in NPPES) with the New York board that licenses this profession; 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
1336701622
Name
Ian Todd Dempsey
Credential
AGACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
431529 NY
657164 NY
Self-reported in NPPES; status is on the state search
Practice location
50 E 21St St Apt 6E, Brooklyn, NY 11226
Phone
(505) 414-8116
Enumerated
Jul 8, 2019
Record last updated
Jul 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191107000292); accepts 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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Verify Ian Todd Dempsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 431529
    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
Find the New York license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 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 score81.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Memorial Anesthesiology GroupNew York, NY

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

Ian Todd Dempsey among 1,720 acute care nurse practitioner records in New York

Ian Todd Dempsey, AGACNP is one of 1,720 acute care nurse practitioner records with a practice address in New York. 73% 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 47% of them.

  • NPI issued2019 · 47% of these records are older, 47% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2019 · median 2020 among the 965 with a school on file
  • Record last updated2019 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in New York

There are 1,720 acute care nurse practitioner records in New York.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Annie Thermidor, NPBrooklyn, NY 112261174967152
  2. Daniella KukinBrooklyn, NY 112291619652609
  3. Harris Leitstein, NPBrooklyn, NY 112291376772756
  4. George Samuels, MSN, AGACNP-BCBrooklyn, NY 112231639048937
  5. Elaine Chang, NPBrooklyn, NY 112201598430381
  6. Lisa ErlangerBrooklyn, NY 112201942797733
  7. Jessica Jezycki, NPBrooklyn, NY 112201609518075
  8. Guolian LiBrooklyn, NY 112201962965251

Common questions

What is Ian Todd Dempsey, AGACNP's NPI number?

Ian Todd Dempsey, AGACNP's National Provider Identifier (NPI) is 1336701622, issued on Jul 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ian Todd Dempsey, AGACNP located?

The NPPES record lists a practice address at 50 E 21St St Apt 6E, Brooklyn, NY, 11226. Phone: (505) 414-8116. Providers update this record themselves, so call before visiting.

How can I verify Ian Todd Dempsey, AGACNP's license?

NPPES lists New York license number 431529, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

What is Ian Todd Dempsey, AGACNP's MIPS final score?

The 2023 MIPS final score is 87.1 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.