DR. KATHERINE REBECCA EXTEN M.D.
NPI 1982996237
Internal Medicine - Hematology & Oncology in Mansfield, OH

Active since May 04, 2011PECOS EnrolledAccepts Medicare Assignment
81.3/100
CMS Quality Rating
335 GLESSNER AVE, MANSFIELD, OH 44903(419) 756-2003 Get Directions Write a Review

NPPES record last updated: January 25, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 25, 2022, Jan 15, 2018, Nov 12, 2015 (3 updates tracked since 2015).

About Dr. Katherine Rebecca Exten M.d. NPPES

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

DR. KATHERINE REBECCA EXTEN M.D. (NPI 1982996237) is an individual hematology & oncology provider in Mansfield, Ohio, licensed in Ohio (35131800) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Mount Carmel St Ann's, and is a graduate of Ohio State University College Of Medicine (2011).

NPPES Registry Identity

NPI1982996237
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. KATHERINE REBECCA EXTENCredential: M.D.
Location Address335 GLESSNER AVEMansfield, OH 44903-2269
Mailing Address840 S Wood St Ste 820-eChicago, IL 60612-4325
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2011
Enumeration DateMay 4, 2011
Last NPPES UpdateJanuary 25, 20223 updates tracked since enumeration
NPI 1982996237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in OH · 35131800
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036.134806 (IL)
335 GLESSNER AVE, Mansfield, OH 44903

Other Identifiers 1

Medicaid0233087OH

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. Katherine Rebecca Exten 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 ID2365683893
PECOS Enrollment IDI20170731003033
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 5

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.

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.
516 services233 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
33 services25 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
26 services26 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
22 services15 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services20 patients

Hospital Affiliations CMS Care Compare 4

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

Mount Carmel St Ann's

Acute Care Hospitals · Westerville, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360012
Location500 South Cleveland AvenueWesterville, OH 43081 · Franklin County
Emergency services Birthing friendly

Mount Carmel East & West

Acute Care Hospitals · Columbus, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360035
Location6001 East Broad StreetColumbus, OH 43213 · Franklin County
Emergency services Birthing friendly

Ohiohealth Mansfield Hospital

Acute Care Hospitals · Mansfield, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360118
Location335 Glessner AvenueMansfield, OH 44903 · Richland County
Emergency services Birthing friendly

Ohiohealth Shelby Hospital

Critical Access Hospitals · Shelby, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361324
Location199 West Main StreetShelby, OH 44875 · Richland County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44903 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.

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.

81.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.58
Promoting Interoperability98
Improvement Activities40
Cost65.77

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.

Audiologist
335 GLESSNER AVE
MANSFIELD, OH 44903
Internal Medicine (Cardiovascular Disease)
335 GLESSNER AVE
MANSFIELD, OH 44903
Emergency Medicine
335 GLESSNER AVE
MANSFIELD, OH 44903
Internal Medicine (Endocrinology, Diabetes & Metabolism)
335 GLESSNER AVE
MANSFIELD, OH 44903
Physician Assistant
335 GLESSNER AVE
MANSFIELD, OH 44903
Emergency Medicine
335 GLESSNER AVE
MANSFIELD, OH 44903
Thoracic Surgery (Cardiothoracic Vascular Surgery)
335 GLESSNER AVE
MANSFIELD, OH 44903
Physical Therapy Assistant
335 GLESSNER AVE
MANSFIELD, OH 44903

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 Katherine Exten's NPI number?

The NPI number for Katherine Exten is 1982996237. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Where is Katherine Exten located?

Katherine Exten practices at 335 Glessner Ave, Mansfield, OH 44903. The listed phone number is (419) 756-2003.

What is Katherine Exten's specialty?

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

Is Katherine Exten enrolled in Medicare?

Yes. Katherine Exten 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 Katherine Exten accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource, MedMutual and Oscar Health Insurance list Katherine Exten 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 Katherine Exten affiliated with any hospitals?

According to CMS data, Katherine Exten is affiliated with Mount Carmel St Ann's, Mount Carmel East & West, Ohiohealth Mansfield Hospital and Ohiohealth Shelby Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Exten was last updated on January 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.