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DR. DONALD J. HAGLER SR. M.D.
NPI 1942206016
Pediatrics - Pediatric Cardiology in Rochester, MN

Active since June 23, 2005PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: September 29, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2020, May 6, 2019, Jan 19, 2018 (3 updates tracked since 2018).

About Dr. Donald J. Hagler Sr. M.d. NPPES

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

DR. DONALD J. HAGLER SR. M.D. (NPI 1942206016) is an individual pediatric cardiology provider in Rochester, Minnesota, licensed in Minnesota (21039) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Scottsdale.

NPPES Registry Identity

NPI1942206016
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDR. DONALD J. HAGLER SR.Credential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Phone(507) 284-2511
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 1968
Enumeration DateJune 23, 2005
Last NPPES UpdateSeptember 29, 20203 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2020
✔ NPI 1942206016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in MN · 21039✔ Licensed in AZ · 24809
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 21039 (MN)
200 1ST ST SW, Rochester, MN 55905
Open in Google Maps ↗

Secondary Practice Location 1

Location 113400 E Shea BlvdScottsdale, AZ 85259-5452 · Phone (480) 301-8000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Oscar Insurance Company, Sanford Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Donald J. Hagler Sr. M.d. 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 ID4587617386
PECOS Enrollment IDI20100203000633
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.

Medicare Billing Reassignments

13

Medicare enrollment records show Donald Hagler reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mayo Clinic
Same address
Infectious Disease
200 1ST ST SW
Rochester, MN 55905
  • Reassigned Medicare billing, Minnesota enrollment
  • 6,534 clinicians in this Medicare group
NPI 1114343860 (507) 284-2511
Mayo Clinic Health System-Lake City
31 mi
Critical Access
500 W GRANT ST
Lake City, MN 55041
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1164463659 (Minnesota)
  • 675 clinicians in this Medicare group
NPI 1538113022 (651) 345-3321
Mayo Clinic Health System-Southeast Minnesota Region
35 mi
Multi-Specialty
701 HEWITT BLVD
Red Wing, MN 55066
  • Reassigned Medicare billing, Minnesota and Wisconsin enrollments
  • 1,571 clinicians in this Medicare group
NPI 1114453883 (651) 267-5000
Winona Health Services
42 mi
General Acute Care Hospital
855 MANKATO AVE
Winona, MN 55987
  • Reassigned Medicare billing, Minnesota enrollment
  • 330 clinicians in this Medicare group
NPI 1295789352 (507) 454-3650
Winneshiek Medical Center
49 mi
Primary Care
114 MAIN ST S
Mabel, MN 55954
  • Reassigned Medicare billing, Minnesota and Iowa enrollments
  • Also billed through NPI 1750042032 (Iowa), NPI 1619922051 (Iowa)
  • 108 clinicians in this Medicare group
NPI 1093857393 (563) 382-2911
Mayo Clinic Health System-Southwest Minnesota Region
52 mi
Multi-Specialty
501 STATE ST N
Waseca, MN 56093
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,572 clinicians in this Medicare group
NPI 1518494251 (507) 835-1210
Mayo Clinic Health System-Southwest Wisconsin Region, Inc.
63 mi
Multi-Specialty
800 WEST AVE S
La Crosse, WI 54601
  • Reassigned Medicare billing, Minnesota enrollment
  • 330 clinicians in this Medicare group
NPI 1629056049 (608) 392-3861
Mayo Clinic Health System-Northwest Wisconsin Region, Inc.
66 mi
Multi-Specialty
2321 STOUT RD
Menomonie, WI 54751
  • Reassigned Medicare billing, Minnesota enrollment
  • 251 clinicians in this Medicare group
NPI 1235666967 (715) 235-5531
Mayo Clinic Health System-Fairmont
103 mi
Multi-Specialty
800 MEDICAL CENTER DR
Fairmont, MN 56031
  • Reassigned Medicare billing, Minnesota enrollment
  • 806 clinicians in this Medicare group
NPI 1366410862 (507) 238-8100
Mayo Clinic Health System-St James
107 mi
Multi-Specialty
1101 MOULTON AND PARSONS DR
Saint James, MN 56081
  • Reassigned Medicare billing, Minnesota enrollment
  • 592 clinicians in this Medicare group
NPI 1023177730 (507) 375-3261

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
42 services42 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services19 patients
Ultrasound of heart with color-depicted blood flow, rate and valve function 93325
An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
20 services20 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
15 services15 patients
Ultrasound of heart blood flow, valves and chambers, follow-up 93321
This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.
15 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

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.

EMILY LEASURE MD
Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NATHANAEL BAILEY
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NICOLE S NIPPER NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
BRANDI D'SOUZA NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
DR. JODI M. MOORE-WEISS OD
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JENNIFER L KERKVLIET MA
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
EMMANUEL J LUJERO CRNA
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JUAN PABLO BRITO CAMPANA M.D
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511

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 Donald Hagler's NPI number?

The NPI number for Donald Hagler is 1942206016. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is Donald Hagler located?

Donald Hagler practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Donald Hagler's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Donald Hagler enrolled in Medicare?

Yes. Donald Hagler 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.

Which organizations bill Medicare for Donald Hagler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Hagler reassigns Medicare benefits to 13 organizations: Mayo Clinic (Rochester, MN), Mayo Clinic Health System-Lake City (Lake City, MN), Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN), Winona Health Services (Winona, MN), Winneshiek Medical Center (Mabel, MN) and 8 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Donald Hagler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Donald Hagler accept?

Health plans from Blue Cross Blue Shield of North Dakota, Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Donald Hagler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Donald Hagler affiliated with any hospitals?

According to CMS data, Donald Hagler is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Donald Hagler was last updated on September 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.