THOMAS PAUL MARNEJON DO
NPI 1891898607
Internal Medicine in Youngstown, OH

Active since September 07, 2006PECOS EnrolledAccepts Medicare Assignment
1001 COVINGTON ST, YOUNGSTOWN, OH 44510(330) 480-2616(330) 480-7979 Get Directions Write a Review

NPPES record last updated: April 13, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 13, 2019, Oct 25, 2016, Oct 2, 2015 (3 updates tracked since 2015).

About Thomas Paul Marnejon Do NPPES

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

THOMAS PAUL MARNEJON DO (NPI 1891898607) is an individual internal medicine provider in Youngstown, Ohio, licensed in Ohio (34004912) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Youngstown Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (1987).

NPPES Registry Identity

NPI1891898607
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTHOMAS PAUL MARNEJONCredential: DO
Location Address1001 COVINGTON STYoungstown, OH 44510-1617
Mailing Address1001 Covington StYoungstown, OH 44510-1617 · (330) 480-2616 · Fax (330) 480-7979
Fax(330) 480-7979
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1987
Enumeration DateSeptember 7, 2006
Last NPPES UpdateApril 13, 20193 updates tracked since enumeration
NPI 1891898607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in OH · 34004912
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1001 COVINGTON ST, Youngstown, OH 44510

Other Identifiers 2

OtherH143790OH · Medicare Ptan
Medicaid0866013OH

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

Thomas Paul Marnejon Do 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 ID2365576741
PECOS Enrollment IDI20100820000554
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 2

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.
30 services26 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.
19 services18 patients

Hospital Affiliations CMS Care Compare 2

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

St Elizabeth Youngstown Hospital

Acute Care Hospitals · Youngstown, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360064
Location1044 Belmont AvenueYoungstown, OH 44501 · Mahoning County
Emergency services

Hmhp St Elizabeth Boardman Health Center

Acute Care Hospitals · Boardman, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360276
Location8401 Market StreetBoardman, OH 44512 · Mahoning County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44510 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
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.

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.

Internal Medicine (Pulmonary Disease)
1001 COVINGTON ST
YOUNGSTOWN, OH 44510
Surgery
1001 COVINGTON ST
YOUNGSTOWN, OH 44510
Internal Medicine
1001 COVINGTON ST
YOUNGSTOWN, OH 44510
Student in an Organized Health Care Education/Training Program
1001 COVINGTON ST, ST ELIZABETH YOUNGSTOWN HOSPITAL, INTERNAL MEDICINE
YOUNGSTOWN, OH 44510
Internal Medicine
1001 COVINGTON ST
YOUNGSTOWN, OH 44510
Internal Medicine
1001 COVINGTON ST
YOUNGSTOWN, OH 44510
Internal Medicine
1001 COVINGTON ST
YOUNGSTOWN, OH 44510
Dentist (General Practice)
1001 COVINGTON ST
YOUNGSTOWN, OH 44510

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 Thomas Marnejon's NPI number?

The NPI number for Thomas Marnejon is 1891898607. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Thomas Marnejon located?

Thomas Marnejon practices at 1001 Covington St, Youngstown, OH 44510. The listed phone number is (330) 480-2616.

What is Thomas Marnejon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Marnejon enrolled in Medicare?

Yes. Thomas Marnejon 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 Thomas Marnejon accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Thomas Marnejon 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 Thomas Marnejon affiliated with any hospitals?

According to CMS data, Thomas Marnejon is affiliated with St Elizabeth Youngstown Hospital and Hmhp St Elizabeth Boardman Health Center.

When was this NPI record last updated?

The NPPES record for Thomas Marnejon was last updated on April 13, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.