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BENJAMIN MATHEWS
NPI 1508397019
Anesthesiology in Mason City, IA

Active since March 26, 2017PECOS EnrolledAccepts Medicare Assignment
1000 4TH ST SW, MASON CITY, IA 50401(641) 428-7000 Get Directions Write a Review

NPPES record last updated: July 15, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 15, 2023, Jan 17, 2023, Oct 11, 2022 and 1 more (4 updates tracked since 2017).

About Benjamin Mathews NPPES

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

BENJAMIN MATHEWS (NPI 1508397019) is an individual anesthesiology provider in Mason City, Iowa, licensed in Iowa (MD-48435) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1508397019
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameBENJAMIN MATHEWS
Location Address1000 4TH ST SWMason City, IA 50401-2800
Mailing Address1000 4th St SwMason City, IA 50401-2800 · (641) 428-7000
Phone(641) 428-7000
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2017
Enumeration DateMarch 26, 2017
Last NPPES UpdateJuly 15, 20234 updates tracked since enumeration
NPPES CertifiedJuly 15, 2023
✔ NPI 1508397019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IA · MD-48435
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1000 4TH ST SW, Mason City, IA 50401
Open in Google Maps ↗

Secondary Practice Location 1

Location 19200 W Wisconsin Ave, P347Milwaukee, WI 53226-3522 · Phone (414) 805-6036

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..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

Benjamin Mathews 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 ID2062743420
PECOS Enrollment IDI20210625001212
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 Reassignment

Medicare enrollment records show Benjamin Mathews reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Iowa Mercy Clinics
Same address
Nurse Practitioner
1000 4TH ST SW
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 420 clinicians in this Medicare group
NPI 1043321102 (641) 428-5932

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 6

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.

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
37 services37 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
22 services22 patients
Anesthesia for procedure to correct abnormal heart rhythm 00410
Anesthesia for a procedure to correct abnormal heart rhythm ensures you won't feel pain during the treatment. It can be general, where you're completely asleep, or local, numbing only a specific area. Your vital signs are monitored to ensure safety during the procedure.
16 services15 patients
Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
12 services12 patients
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415
This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.
12 services12 patients
Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Mercyone North Iowa Medical Center

Acute Care Hospitals · Mason City, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160064
Location1000 Fourth Street SWMason City, IA 50401 · Cerro Gordo 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.

LINDA S VOLD LISW
Social Worker (Clinical)
1000 4TH ST SW, SUITE BS
MASON CITY, IA 50401
Cerro Gordo County (641) 422-7797
BURT HUMBURG MD
Internal Medicine
1000 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 428-7000
SUMATHY NAGRAJ IYENGAR M.D.,
Hospitalist
1000 4TH ST SW, MERCY MEDICAL CENTER-HOSPITALIST DEPT
MASON CITY, IA 50401
Cerro Gordo County (641) 428-7000
DR. SATINDERJIT SINGH M.D.
Emergency Medicine
1000 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 428-7234
ASHLEY MATERN ARNP
Nurse Practitioner (Family)
1000 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 428-6999
ROBERT D. FROEHNER CRNA
Nurse Anesthetist, Certified Registered
1000 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 422-7000
DR. THOMAS P DELANEY MD
Hospitalist
1000 4TH ST SW, SUITE HOSP
MASON CITY, IA 50401
Cerro Gordo County (641) 422-7000
NORTH IOWA MERCY CLINICS
Nurse Practitioner
1000 4TH ST SW
MASON CITY, IA 50401
Cerro Gordo County (641) 428-5932

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 Benjamin Mathews's NPI number?

The NPI number for Benjamin Mathews is 1508397019. It was assigned to this individual provider in the NPPES registry on March 26, 2017.

Where is Benjamin Mathews located?

Benjamin Mathews practices at 1000 4th St SW, Mason City, IA 50401. The listed phone number is (641) 428-7000.

What is Benjamin Mathews's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Benjamin Mathews enrolled in Medicare?

Yes. Benjamin Mathews 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 organization bills Medicare for Benjamin Mathews's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Mathews reassigns Medicare benefits to North Iowa Mercy Clinics (Mason City, IA). The 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 Benjamin Mathews's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Benjamin Mathews accept?

Health plans from Oscar Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Benjamin Mathews 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 Benjamin Mathews affiliated with any hospitals?

According to CMS data, Benjamin Mathews is affiliated with Mercyone North Iowa Medical Center.

When was this NPI record last updated?

The NPPES record for Benjamin Mathews was last updated on July 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.