JAMES R MASON
NPI 1407276991
Radiology - Diagnostic Radiology in Mankato, MN

Active since April 23, 2014PECOS EnrolledAccepts Medicare Assignment
76.98/100
CMS Quality Rating
1025 MARSH ST, MANKATO, MN 56001(507) 625-4031 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2026, Feb 2, 2026, Aug 7, 2023 and 1 more (4 updates tracked since 2021).

About James R Mason NPPES

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

JAMES R MASON (NPI 1407276991) is an individual diagnostic radiology provider in Mankato, Minnesota, licensed in Minnesota (82257) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1407276991
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJAMES R MASON
Location Address1025 MARSH STMankato, MN 56001-4752
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 625-4031
Sole ProprietorNo
Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 2014
Enumeration DateApril 23, 2014
Last NPPES UpdateJuly 23, 20264 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
✔ NPI 1407276991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in MN · 82257✔ Licensed in TX · R2407✔ Licensed in PA · OS020517✔ Licensed in FL · OS19944
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1025 MARSH ST, Mankato, MN 56001

Secondary Practice Locations 2

Location 15501 Old York RdPhiladelphia, PA 19141-3018 · Phone (215) 456-6200 · Fax (215) 456-6227
Location 2119 Oakfield DrBrandon, FL 33511-5779 · Phone (904) 399-5800

Accepted 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

James R Mason 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 ID2769702950
PECOS Enrollment IDI20200708000725
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

10

Medicare enrollment records show James Mason reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1025 MARSH ST
Mankato, MN 56001
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1740256668 (Minnesota), NPI 1124035282 (Minnesota)
  • 1,572 clinicians in this Medicare group
Critical Access
1101 MOULTON AND PARSONS DR
Saint James, MN 56081
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1023177730 (Minnesota)
  • 390 clinicians in this Medicare group
Multi-Specialty
2200 NW 26TH ST
Owatonna, MN 55060
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1063435410 (Minnesota)
  • 1,571 clinicians in this Medicare group
Multi-Specialty
800 MEDICAL CENTER DR
Fairmont, MN 56031
  • Reassigned Medicare billing, Minnesota enrollment
  • 806 clinicians in this Medicare group
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
Family Medicine
201 STATE ST
Erie, PA 16550
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 962 clinicians in this Medicare group
Neurological Surgery
425 W FIFTH ST, EAST LIVERPOOL CITY HOSPITAL
East Liverpool, OH 43920
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 clinicians in this Medicare group
Diagnostic Radiology
1000 JOHNSON FERRY RD
Atlanta, GA 30342
  • Reassigned Medicare billing, Georgia and Pennsylvania enrollments
  • 241 clinicians in this Medicare group
Psychiatry
4200 MONUMENT AVE
Philadelphia, PA 19131
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,205 clinicians in this Medicare group
Diagnostic Radiology
1 TAMPA GENERAL CIR
Tampa, FL 33606
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 52 clinicians in this Medicare group

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 22

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
683 services641 patients
Ct scan of blood vessels of head with contrast 70496
A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.
214 services212 patients
Ct scan of blood vessels of neck with contrast 70498
A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.
203 services201 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
193 services191 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
160 services160 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
151 services148 patients

Hospital Affiliations CMS Care Compare 5

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

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100088
Location800 Prudential DrJacksonville, FL 32207 · Duval County
Emergency services Birthing friendly

Baptist Medical Center Beaches

Acute Care Hospitals · Jacksonville Beach, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100117
Location1350 13th Ave SJacksonville Beach, FL 32250 · Duval County
Emergency services Birthing friendly

Baptist Medical Center - Nassau

Acute Care Hospitals · Fernandina Beach, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100140
Location1250 S 18th StFernandina Beach, FL 32034 · Nassau County
Emergency services

Mayo Clinic Health System - Mankato

Acute Care Hospitals · Mankato, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240093
Location1025 Marsh StreetMankato, MN 56001 · Blue Earth County
Emergency services Birthing friendly

Einstein Medical Center Montgomery

Acute Care Hospitals · East Norriton, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390329
Location559 West Germantown PikeEast Norriton, PA 19403 · Montgomery County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56001 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.98/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.91
Improvement Activities40

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
1025 MARSH ST
MANKATO, MN 56001
Anesthesiology
1025 MARSH ST
MANKATO, MN 56001
Nurse Practitioner (Family)
1025 MARSH ST
MANKATO, MN 56001
Neurological Surgery
1025 MARSH ST
MANKATO, MN 56001
Nurse Practitioner
1025 MARSH ST
MANKATO, MN 56001
Pharmacist
1025 MARSH ST
MANKATO, MN 56001
Nurse Anesthetist, Certified Registered
1025 MARSH ST
MANKATO, MN 56001
Internal Medicine (Interventional Cardiology)
1025 MARSH ST
MANKATO, MN 56001

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 James Mason's NPI number?

The NPI number for James Mason is 1407276991. It was assigned to this individual provider in the NPPES registry on April 23, 2014.

Where is James Mason located?

James Mason practices at 1025 Marsh St, Mankato, MN 56001. The listed phone number is (507) 625-4031.

What is James Mason's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is James Mason enrolled in Medicare?

Yes. James Mason 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 James Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Mason reassigns Medicare benefits to 10 organizations: Mayo Clinic Health System-Southwest Minnesota Region (Mankato, MN), Mayo Clinic Health System-St James (Saint James, MN), Mayo Clinic Health System-Southeast Minnesota Region (Owatonna, MN), Mayo Clinic Health System-Fairmont (Fairmont, MN), Mayo Clinic Health System-Lake City (Lake City, MN) and 5 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 James Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Mason accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company and 1 other insurer list James Mason 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 James Mason affiliated with any hospitals?

According to CMS data, James Mason is affiliated with Baptist Health Medical Center - Jacksonville, Baptist Medical Center Beaches, Baptist Medical Center - Nassau, Mayo Clinic Health System - Mankato and Einstein Medical Center Montgomery.

When was this NPI record last updated?

The NPPES record for James Mason was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.