DR. REX B MOWAT MD
NPI 1346247251
Internal Medicine - Hematology & Oncology in Toledo, OH

Active since July 07, 2005PECOS EnrolledAccepts Medicare Assignment
4235 SECOR RD, TOLEDO, OH 43623(419) 479-5605 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 5, 2026, Nov 13, 2025, Jun 18, 2020 (3 updates tracked since 2020).

About Dr. Rex B Mowat Md NPPES

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

DR. REX B MOWAT MD (NPI 1346247251) is an individual hematology & oncology provider in Toledo, Ohio, licensed in Ohio (35063502M) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Promedica Charles And Virginia Hickman Hospital, and maintains a secondary practice location in Toledo.

NPPES Registry Identity

NPI1346247251
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. REX B MOWATCredential: MD
Location Address4235 SECOR RDToledo, OH 43623-4231
Mailing Address3000 Arlington Ave Stop 1108Toledo, OH 43614-2595 · (419) 383-5322
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1985
Enumeration DateJuly 7, 2005
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
NPI 1346247251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in OH · 35063502M
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
4235 SECOR RD, Toledo, OH 43623

Secondary Practice Location 1

Location 11325 Conference DrToledo, OH 43614-8009 · Phone (419) 383-4541 · Fax (419) 383-3040

Other Identifiers 2

Medicaid0896544OH
Other830000365Railroad Medicare

Accepted Insurance

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

Dr. Rex B Mowat Md 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 ID1456374404
PECOS Enrollment IDI20060105000500, I20120202000085
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 37

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, ferric carboxymaltose, 1 mg J1439
Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.
55,500 services43 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
13,200 services16 patients
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138
Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.
8,160 services11 patients
Injection, aprepitant, 1 mg J0185
Aprepitant injection is a medication used to prevent nausea and vomiting caused by chemotherapy. It works by blocking certain substances in the brain that trigger these symptoms. The dosage is based on your medical condition and response to treatment.
5,590 services12 patients
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
The Gammagard Liquid injection is a type of immune globulin therapy. It's used to boost your body's immune system, helping it fight off infections. The therapy involves injecting a liquid form of proteins, collected from healthy donors, into your body. This is a 500mg dose.
4,658 services14 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
2,940 services31 patients

Hospital Affiliations CMS Care Compare 5

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

Promedica Charles And Virginia Hickman Hospital

Acute Care Hospitals · Adrian, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230005
Location5640 N Adrian HighwayAdrian, MI 49221 · Lenawee County
Emergency services Birthing friendly

Wood County Hospital

Acute Care Hospitals · Bowling Green, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360029
Location950 West Wooster StreetBowling Green, OH 43402 · Wood County
Emergency services Birthing friendly

Promedica Toledo Hospital

Acute Care Hospitals · Toledo, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360068
Location2142 North Cove BoulevardToledo, OH 43606 · Lucas County
Emergency services Birthing friendly

Mercy St Vincent Medical Center

Acute Care Hospitals · Toledo, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360112
Location2213 Cherry StreetToledo, OH 43608 · Lucas County
Emergency services Birthing friendly

Fulton County Health Center

Critical Access Hospitals · Wauseon, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361333
Location725 South Shoop AvenueWauseon, OH 43567 · Fulton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43623 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
$166.65 typical visit price
range $54.34 – $166.65
Typical copayment $41.66 (range $13.58 – $41.66)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier18 claims1,596 services$0.69 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier15 claims15 services$19.01 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Clinic/Center (Urgent Care)
4235 SECOR RD, PROMEDICA URGENT CARE
TOLEDO, OH 43623
Internal Medicine (Gastroenterology)
4235 SECOR RD
TOLEDO, OH 43623
Nurse Practitioner (Family)
4235 SECOR RD
TOLEDO, OH 43623
Student in an Organized Health Care Education/Training Program
4235 SECOR RD
TOLEDO, OH 43623
Physician Assistant (Medical)
4235 SECOR RD
TOLEDO, OH 43623
Nurse Practitioner (Family)
4235 SECOR RD
TOLEDO, OH 43623
Internal Medicine (Cardiovascular Disease)
4235 SECOR RD
TOLEDO, OH 43623
Orthopaedic Surgery
4235 SECOR RD
TOLEDO, OH 43623

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 Rex Mowat's NPI number?

The NPI number for Rex Mowat is 1346247251. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Where is Rex Mowat located?

Rex Mowat practices at 4235 Secor Rd, Toledo, OH 43623. The listed phone number is (419) 479-5605.

What is Rex Mowat's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Rex Mowat enrolled in Medicare?

Yes. Rex Mowat 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.

What insurance does Rex Mowat accept?

Health plans from CareSource, McLaren Health Plan Community, MedMutual, Molina Healthcare and Priority Health and 1 other insurer list Rex Mowat 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 Rex Mowat affiliated with any hospitals?

According to CMS data, Rex Mowat is affiliated with Promedica Charles And Virginia Hickman Hospital, Wood County Hospital, Promedica Toledo Hospital, Mercy St Vincent Medical Center and Fulton County Health Center.

When was this NPI record last updated?

The NPPES record for Rex Mowat was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.