JOHN MATTHEW CASTOR MD
NPI 1093987257
Internal Medicine - Gastroenterology in Columbus, OH

Active since March 27, 2008PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
3400 OLENTANGY RIVER RD, COLUMBUS, OH 43202(614) 754-5500(614) 457-9519 Get Directions Write a Review

NPPES record last updated: November 2, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Matthew Castor Md NPPES

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

JOHN MATTHEW CASTOR MD (NPI 1093987257) is an individual gastroenterology provider in Columbus, Ohio, licensed in Ohio (35097145) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2005).

NPPES Registry Identity

NPI1093987257
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN MATTHEW CASTORCredential: MD
Location Address3400 OLENTANGY RIVER RDColumbus, OH 43202-1523
Mailing Address3400 Olentangy River RdColumbus, OH 43202-1523 · (614) 754-5500 · Fax (614) 457-9519
Fax(614) 457-9519
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2005
Enumeration DateMarch 27, 2008
Last NPPES UpdateNovember 2, 2023
NPPES CertifiedNovember 2, 2023
NPI 1093987257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in OH · 35097145
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3400 OLENTANGY RIVER RD, Columbus, OH 43202

Other Identifiers 1

Medicaid0054018OH

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

John Matthew Castor 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 ID7911175708
PECOS Enrollment IDI20110721000670
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 13

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 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.
118 services96 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
108 services107 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
62 services62 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.
54 services50 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
44 services44 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.
33 services33 patients

Hospital Affiliations CMS Care Compare 5

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

Riverside Methodist Hospital

Acute Care Hospitals · Columbus, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360006
Location3535 Olentangy River RdColumbus, OH 43214 · Franklin County
Emergency services Birthing friendly

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

Grant Medical Center

Acute Care Hospitals · Columbus, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360017
Location111 South Grant AvenueColumbus, OH 43215 · 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

Dublin Methodist Hospital

Acute Care Hospitals · Dublin, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360348
Location7500 Hospital AvenueDublin, OH 43016 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43202 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.

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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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 (Transplant Hepatology)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202
Clinic/Center (Endoscopy)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202
Internal Medicine (Transplant Hepatology)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202
Internal Medicine (Gastroenterology)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202
Internal Medicine (Gastroenterology)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202
Nurse Practitioner (Family)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202
Nurse Practitioner (Family)
3400 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43202
Nurse Practitioner (Acute Care)
3400 OLENTANGY RIVER RD
COLUMBUS, OH 43202

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 John Castor's NPI number?

The NPI number for John Castor is 1093987257. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Where is John Castor located?

John Castor practices at 3400 Olentangy River Rd, Columbus, OH 43202. The listed phone number is (614) 754-5500.

What is John Castor's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Castor enrolled in Medicare?

Yes. John Castor 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 John Castor accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual and Oscar Health Insurance list John Castor 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 John Castor affiliated with any hospitals?

According to CMS data, John Castor is affiliated with Riverside Methodist Hospital, Mount Carmel St Ann's, Grant Medical Center, Mount Carmel East & West and Dublin Methodist Hospital.

When was this NPI record last updated?

The NPPES record for John Castor was last updated on November 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.