JONATHAN MCMAHON DO
NPI 1801359062
Emergency Medicine - Emergency Medical Services in New Haven, CT

Active since April 12, 2019PECOS EnrolledAccepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 10, 2024, Apr 12, 2019 (2 updates tracked since 2019).

About Jonathan Mcmahon Do NPPES

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

JONATHAN MCMAHON DO (NPI 1801359062) is an individual emergency medical services provider in New Haven, Connecticut, licensed in Connecticut (81724) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2019).

NPPES Registry Identity

NPI1801359062
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameJONATHAN MCMAHONCredential: DO
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2019
Enumeration DateApril 12, 2019
Last NPPES UpdateJuly 21, 20252 updates tracked since enumeration
NPPES CertifiedJuly 21, 2025
NPI 1801359062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License Licensed in CT · 81724
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
20 YORK ST, New Haven, CT 06510

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

Jonathan Mcmahon 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 ID4880035351
PECOS Enrollment IDI20251013000724
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
16 services15 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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 20

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

Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Mcmahon's NPI number?

The NPI number for Jonathan Mcmahon is 1801359062. It was assigned to this individual provider in the NPPES registry on April 12, 2019.

Where is Jonathan Mcmahon located?

Jonathan Mcmahon practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Jonathan Mcmahon's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Jonathan Mcmahon enrolled in Medicare?

Yes. Jonathan Mcmahon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jonathan Mcmahon was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.