NPPES file of Aug 9, 2026

Jeffrey M. Factor, MD

Pediatric Allergy/Immunology Physician · West Hartford, CT

Jeffrey M. Factor, MD is a pediatric allergy/immunology physician with a practice address in West Hartford, Connecticut, and NPI 1457332298, issued on Nov 9, 2005. Check the license (Connecticut 31434, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1457332298
Name
Jeffrey M. Factor
Credential
MD
Primary taxonomy
Pediatric Allergy/Immunology Physician 2080P0201X
License numbers
31434 CT
031434 CT
Self-reported in NPPES; status is on the state search
Practice location
836 Farmington Avenue, West Hartford, CT 06119
Phone
(860) 232-9911
Enumerated
Nov 9, 2005
Record last updated
Apr 14, 2022
Fax
(860) 233-5996
Medicaid ID
001314343 CT
Medicare enrollment
Enrolled (PECOS I20250627000827); 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 836 Farmington Avenue

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

  1. Robert Bedard, MDAllergy & Immunology Physician1003897851
  2. Marshall Grodofsky, MDAllergy Physician1841271699
  3. Jason Lee, MDAllergy & Immunology Physician1760463400
  4. James Rosen, MDPediatric Allergy/Immunology Physician1659354082
  5. Kelly Schunder, MSW, LCSWMental Health Counselor1568981918
  6. Gavin Schwarz, M.D.Allergy & Immunology Physician1093848988

Verify Jeffrey M. Factor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 31434
    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 Connecticut license search

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75% fewer Medicare Part D claims than the average pediatric allergy/immunology physician in 2024

66 Medicare Part D claims for 26 beneficiaries, against an average of 259 among the 198 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Jeffrey Factor66
  2. Specialty average259

Most prescribed

  1. Montelukast Sodium16 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.5 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 score95.4
  2. Costout of 100 · 30%36.4
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $323.24

4 payments; by number, the most common kind was food and beverage; the largest payer was Adma BioManufacturing LLC. The 289 providers of this specialty with any payment received $7,101.54 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Factor$323.24
  2. Specialty average$7,101.54

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

Pediatric Allergy/Immunology Physician providers in Connecticut

There are 5 pediatric allergy/immunology physician records in Connecticut.

The 4 pediatric allergy/immunology physician records with the nearest ZIP codes

  1. Kelsey Kaman, M.D.West Hartford, CT 061191831552546
  2. James Rosen, MDWest Hartford, CT 061191659354082
  3. Elif Dokmeci, MDNew Haven, CT 065101790950012
  4. Sofia Halperin Goldstein, MDNew Haven, CT 065101124692389

Common questions

What is Jeffrey M. Factor, MD's NPI number?

Jeffrey M. Factor, MD's National Provider Identifier (NPI) is 1457332298, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey M. Factor, MD located?

The NPPES record lists a practice address at 836 Farmington Avenue, West Hartford, CT, 06119. Phone: (860) 232-9911. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey M. Factor, MD's license?

NPPES lists Connecticut license number 31434, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jeffrey M. Factor, MD prescribe under Medicare Part D?

In 2024, Jeffrey M. Factor, MD had 66 Medicare Part D claims for 26 beneficiaries; the average among pediatric allergy/immunology physician prescribers was 259. Part D covers Medicare prescriptions only.

What is Jeffrey M. Factor, MD's MIPS final score?

The 2023 MIPS final score is 79.5 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.