NPPES file of Aug 9, 2026

Ian C. Horkheimer, MD

Specialist · Little Silver, NJ

Ian C. Horkheimer, MD is a specialist with a practice address in Little Silver, New Jersey, and NPI 1316924772, issued on Dec 28, 2005. Check the license (New Jersey 25MA08068100, as entered in NPPES) with the New Jersey 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316924772
Name
Ian C. Horkheimer
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
25MA08068100 NJ
Self-reported in NPPES; status is on the state search
Practice location
180 White RD, Little Silver, NJ 07739
Phone
(732) 530-8666
Enumerated
Dec 28, 2005
Record last updated
Mar 7, 2023
Fax
(732) 530-4139
Medicare enrollment
Enrolled (PECOS I20061229000156); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1999
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 180 White RD

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

  1. Roy Carman, MDInternal Medicine Physician1760486476
  2. Marc Devito, M.D.Pediatrics Physician1295920262
  3. Stephen Dudick, M.D.Surgery of the Hand (Plastic Surgery) Physician1508890526
  4. Richard Eichel, MDSpecialist1104817576
  5. Sharon Falco, M.D.Psychiatry Physician1154531283
  6. Denis Fitzgerald, M.D.Hematology & Oncology Physician1265427223

Verify Ian C. Horkheimer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 25MA08068100
    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 Jersey license search

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17% fewer Medicare Part D claims than the average specialist in 2024

1,147 Medicare Part D claims for 222 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 54 claims were for opioids.

  1. Ian Horkheimer1,147
  2. Specialty average1,380

Most prescribed

  1. Anastrozole170 claims
  2. Letrozole138 claims
  3. Eliquis84 claims
  4. Hydroxyurea52 claims
  5. Warfarin Sodium44 claims
  6. Xarelto41 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 84.4 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 score65.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $164.42

10 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ian Horkheimer$164.42
  2. Specialty average$4,760.79

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. Regional Cancer Care Associates LLCRed Bank, NJ

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

6 specialist records list a practice address in Little Silver

They are 6 of the 217 NPPES records with a practice address in Little Silver, and 1,636 specialist records in New Jersey.

Other specialist records in New Jersey

  1. Lisa AbateHainesport, NJ1316180755
  2. Ziad Abbud, MDNeptune, NJ1740373489
  3. Aliyah Abdullah-GriffinCarteret, NJ1538519962
  4. Vanjelo Abellar, RPTCarteret, NJ1962595629
  5. Hossein Abessi, M.D.Wayne, NJ1841353794
  6. Marc Abo, M.D.Phillipsburg, NJ1003877267
  7. Ronald Aboody, MDPassaic, NJ1235109976
  8. Ahmed Abou-Taleb, MDBelleville, NJ1962432799
  9. Abdelhamid Abourya, PTFords, NJ1033353800
  10. Abraham Abraham, DPTFort Lee, NJ1144532813

Common questions

What is Ian C. Horkheimer, MD's NPI number?

Ian C. Horkheimer, MD's National Provider Identifier (NPI) is 1316924772, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ian C. Horkheimer, MD located?

The NPPES record lists a practice address at 180 White RD, Little Silver, NJ, 07739. Phone: (732) 530-8666. Providers update this record themselves, so call before visiting.

How can I verify Ian C. Horkheimer, MD's license?

NPPES lists New Jersey license number 25MA08068100, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Ian C. Horkheimer, MD prescribe under Medicare Part D?

In 2024, Ian C. Horkheimer, MD had 1,147 Medicare Part D claims for 222 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Ian C. Horkheimer, MD's MIPS final score?

The 2023 MIPS final score is 84.4 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.