NPPES file of Aug 9, 2026

Taylor Isenberg, DO

Emergency Medicine Physician · Morristown, NJ

Taylor Isenberg, DO is an emergency medicine physician with a practice address in Morristown, New Jersey, and NPI 1336726710, issued on Mar 24, 2021. Check the license (New Jersey 25MB12058800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336726710
Name
Taylor Isenberg
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
25MB12058800 NJ
Self-reported in NPPES; status is on the state search
Practice location
100 Madison Ave, Morristown, NJ 07960
Phone
(973) 971-5000
Enumerated
Mar 24, 2021
Record last updated
May 10, 2024
Medicare enrollment
Enrolled (PECOS I20240508004182); 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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Also registered at 100 Madison Ave

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

  1. Karen AbboudDentist1659121259
  2. Omar Abdelfattah, MBBCHStudent in an Organized Health Care Education/Training Program1003444167
  3. Ahmed Abdelhalim, MDInternal Medicine Physician1104386051
  4. Bavly Abdelmesih, MDStudent in an Organized Health Care Education/Training Program1932901378
  5. Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
  6. Arkadiy Abkin, MDAnesthesiology Physician1316928666

Verify Taylor Isenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MB12058800
    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 Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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32% fewer Medicare Part D claims than the average emergency medicine physician in 2024

153 Medicare Part D claims for 110 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Taylor Isenberg153
  2. Specialty average226

Most prescribed

  1. Amoxicillin-Clavulanate Potass20 claims
  2. Cephalexin16 claims
  3. Oxycodone Hcl12 claims
  4. Ondansetron Odt11 claims
  5. Sulfamethoxazole-Trimethoprim11 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.

Industry payments in 2024: $102.53

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Taylor Isenberg$102.53
  2. Specialty average$953.79

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

Bills Medicare through 3 group practices

  1. Dimerhealth Medical PracticeTallahassee, FL
  2. Emergency Physician Associates OF North Jersey P CSummit, NJ
  3. Morristown Emergency Medical Associates LLCMorristown, NJ

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

Taylor Isenberg among 1,754 emergency medicine physician records in New Jersey

Taylor Isenberg, DO is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% 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 88% of them.

  • NPI issued2021 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2021 · median 2011 among the 1,167 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

84 emergency medicine physician records list a practice address in Morristown

They are 84 of the 2,942 NPPES records with a practice address in Morristown, and 1,754 emergency medicine physician records in New Jersey.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Marilyn Althoff, M.D.Morristown, NJ 079601013966217
  2. Christopher Amato, MDMorristown, NJ 079601407897721
  3. Jaroslaw Bilaniuk, MDMorristown, NJ 079601295700417
  4. Glenn Birnbaum, MDMorristown, NJ 079601679517395
  5. Dennis Cochrane, M.D.Morristown, NJ 079601922057132
  6. Louis Difazio, MDMorristown, NJ 079601376510032
  7. Frederick Fiesseler, D.O.Morristown, NJ 079601033177415
  8. Michael Gerardi, MDMorristown, NJ 079601194763425

Common questions

What is Taylor Isenberg, DO's NPI number?

Taylor Isenberg, DO's National Provider Identifier (NPI) is 1336726710, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Taylor Isenberg, DO located?

The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-5000. Providers update this record themselves, so call before visiting.

How can I verify Taylor Isenberg, DO's license?

NPPES lists New Jersey license number 25MB12058800, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Taylor Isenberg, DO prescribe under Medicare Part D?

In 2024, Taylor Isenberg, DO had 153 Medicare Part D claims for 110 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.