MAXWELL ETHAN HOROWITZ DO
NPI 1922637420
Internal Medicine - Endocrinology, Diabetes & Metabolism in West Palm Beach, FL

Q: What is Maxwell Horowitz's NPI number?

The NPI number for Maxwell Horowitz is 1922637420. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Q: What is Maxwell Horowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Maxwell Horowitz was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 06, 2020PECOS EnrolledAccepts Medicare Assignment

1515 N FLAGLER DR STE 430, WEST PALM BEACH, FL 33401(561) 659-6336(561) 659-9353 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 28, 2025, Apr 6, 2020 (2 updates tracked since 2020).

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About Maxwell Ethan Horowitz Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAXWELL ETHAN HOROWITZ DO (NPI 1922637420) is an individual endocrinology, diabetes & metabolism provider in West Palm Beach, Florida, licensed in Florida (OS22188) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Touro Un Col Of Osteopathic Medicine, New York (2020).

NPPES Registry Identity

NPI1922637420

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameMAXWELL ETHAN HOROWITZCredential: DO

Location Address1515 N FLAGLER DR STE 430West Palm Beach, FL 33401-3430

Mailing Address1515 N Flagler Dr Ste 430West Palm Beach, FL 33401-3430 · (561) 659-6336 · Fax (561) 659-9353

Phone(561) 659-6336

Fax(561) 659-9353

Sole ProprietorYes

Medical School CMSTouro Un Col Of Osteopathic Medicine, New YorkGraduated 2020

Enumeration DateApril 6, 2020

Last NPPES UpdateAugust 25, 20252 updates tracked since enumeration

NPPES CertifiedAugust 25, 2025

✔ NPI 1922637420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in FL · OS22188

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

1515 N FLAGLER DR STE 430, West Palm Beach, FL 33401

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maxwell Ethan Horowitz Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284147083

PECOS Enrollment IDI20250702004557

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$135.56 typical visit price

range $58.56 – $179.05

Typical copayment $33.89 (range $14.64 – $44.76)

Most-billed visit code 99204

Established Patient

$103.21 typical visit price

range $18.44 – $144.68

Typical copayment $25.80 (range $4.61 – $36.17)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CAROL KREIDER APRN

Nurse Practitioner (Family)