JEFFREY JACK LEYA M.D.
NPI 1124479449
Student in an Organized Health Care Education/Training Program in Mason City, IA

Active since June 28, 2016PECOS Enrolled
MERCYONE FAMILY MEDICINE RESIDENCY PROGRAM, 1010 4TH ST SW STE 240, MASON CITY, IA 50401(641) 428-7779 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 5, 2022, Jan 28, 2021, Jan 18, 2020 and 2 more (5 updates tracked since 2016).

About Jeffrey Jack Leya M.d. NPPES

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

JEFFREY JACK LEYA M.D. (NPI 1124479449) is an individual student in an organized health care education/training program in Mason City, Iowa and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Ann Arbor.

NPPES Registry Identity

NPI1124479449
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameJEFFREY JACK LEYACredential: M.D.
Location AddressMERCYONE FAMILY MEDICINE RESIDENCY PROGRAM, 1010 4TH ST SW STE 240Mason City, IA 50401
Mailing Address2160 S 1st Ave, Bldg 120, Room 220Maywood, IL 60153
Sole ProprietorNo
Enumeration DateJune 28, 2016
Last NPPES UpdateJuly 24, 20255 updates tracked since enumeration
NPPES CertifiedJuly 16, 2025
NPI 1124479449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
MERCYONE FAMILY MEDICINE RESIDENCY PROGRAM, Mason City, IA 50401

Secondary Practice Location 1

Location 11407 Geneva RdAnn Arbor, MI 48103-4487 · Phone (734) 936-4000 · Fax (915) 742-3238

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Jeffrey Jack Leya M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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 Jeffrey Leya's NPI number?

The NPI number for Jeffrey Leya is 1124479449. It was assigned to this individual provider in the NPPES registry on June 28, 2016.

Where is Jeffrey Leya located?

Jeffrey Leya practices at Mercyone Family Medicine Residency Program 1010 4th St SW Ste 240, Mason City, IA 50401. The listed phone number is (641) 428-7779.

What is Jeffrey Leya's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Jeffrey Leya enrolled in Medicare?

Yes. Jeffrey Leya is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jeffrey Leya was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.