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DR. ROBERT EDWIN EXTEN JR. MD
NPI 1205832375
Internal Medicine - Hematology in Lima, OH

Active since June 23, 2005PECOS Enrolled
81.3/100
CMS Quality Rating
803 W MARKET ST STE 200, LIMA, OH 45805(419) 222-3737(419) 229-3234 Get Directions Write a Review

NPPES record last updated: August 21, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 21, 2023, Mar 21, 2023 (2 updates tracked since 2023).

About Dr. Robert Edwin Exten Jr. Md NPPES

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

DR. ROBERT EDWIN EXTEN JR. MD (NPI 1205832375) is an individual hematology provider in Lima, Ohio, licensed in Ohio (35.038459) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Washington Court House.

NPPES Registry Identity

NPI1205832375
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. ROBERT EDWIN EXTEN JR.Credential: MD
Location Address803 W MARKET ST STE 200Lima, OH 45805-2796
Mailing Address475 Lexington AveMansfield, OH 44907-1501 · (419) 756-2003 · Fax (419) 756-3637
Phone(419) 222-3737
Fax(419) 229-3234
Sole ProprietorNo
Enumeration DateJune 23, 2005
Last NPPES UpdateAugust 21, 20232 updates tracked since enumeration
NPPES CertifiedAugust 21, 2023
✔ NPI 1205832375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License✔ Licensed in OH · 35.038459
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 35038459E (OH)
803 W MARKET ST STE 200, Lima, OH 45805
Open in Google Maps ↗

Secondary Practice Location 1

Location 11510 Columbus Ave Ste 130Washington Court House, OH 43160-1986 · Phone (740) 333-2878

Other Identifiers 3

Other830006430OH · Medicare Railrroad
Other000000142119OH · Anthem
Medicaid0519460OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Ohio, Inc., CareSource.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Edwin Exten Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Robert Exten reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ohiohealth Corporation
75 mi
Cardiovascular Disease
3705 OLENTANGY RIVER RD, SUITE 100
Columbus, OH 43214
  • Reassigned Medicare billing, Ohio enrollment
  • 3,314 clinicians in this Medicare group
NPI 1194979526 (614) 262-6772
Adena Medical Group LLC
111 mi
Family Medicine
272 HOSPITAL RD
Chillicothe, OH 45601
  • Reassigned Medicare billing, Ohio enrollment
  • 763 clinicians in this Medicare group
NPI 1235468083 (740) 779-7500

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 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.
72 services34 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.
31 services19 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.
26 services21 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.
21 services18 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.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45805 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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MELISSA NICHOLE DELONG CNP
Nurse Practitioner (Family)
803 W MARKET ST STE 200
LIMA, OH 45805
Allen County (419) 222-3737
HEATHER RENEE LAGRANDE CNP
Nurse Practitioner (Acute Care)
803 W MARKET ST STE 200
LIMA, OH 45805
Allen County (419) 222-3737
DR. JENNIFER LEIGH HATTON M.D.
Internal Medicine (Hematology & Oncology)
803 W MARKET ST STE 200
LIMA, OH 45805
Allen County (419) 222-3737
STACIE SCHUERMAN PA
Physician Assistant
803 W MARKET ST STE 200
LIMA, OH 45805
Allen County (419) 222-3737
SHANNAN L ROBENALT CNP
Nurse Practitioner (Family)
803 W MARKET ST STE 200
LIMA, OH 45805
Allen County (419) 222-3737

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 Robert Exten's NPI number?

The NPI number for Robert Exten is 1205832375. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is Robert Exten located?

Robert Exten practices at 803 W Market St Ste 200, Lima, OH 45805. The listed phone number is (419) 222-3737.

What is Robert Exten's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Robert Exten enrolled in Medicare?

Yes. Robert Exten is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Exten's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Exten reassigns Medicare benefits to 2 organizations: Ohiohealth Corporation (Columbus, OH) and Adena Medical Group LLC (Chillicothe, OH). 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 Robert Exten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Exten accept?

Health plans from Antidote Health Plan of Ohio, Inc. and CareSource list Robert 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.

When was this NPI record last updated?

The NPPES record for Robert Exten was last updated on August 21, 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.