DR. MARK ANDREW DEWALT DO
NPI 1497724918
Family Medicine in Hilliard, OH

Q: What is Mark Dewalt's NPI number?

The NPI number for Mark Dewalt is 1497724918. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Q: What is Mark Dewalt's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Dewalt was last updated on December 22, 2021. 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.

Active since March 16, 2006PECOS EnrolledAccepts Medicare Assignment

4343 ALL SEASONS DR, STE 220, HILLIARD, OH 43026(614) 544-1100(614) 544-1101 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Mark Andrew Dewalt Do NPPES

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

DR. MARK ANDREW DEWALT DO (NPI 1497724918) is an individual family medicine provider in Hilliard, Ohio, licensed in Ohio (34-008401) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Ohio University, College Of Osteopathic Medicine (2002).

NPPES Registry Identity

NPI1497724918

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. MARK ANDREW DEWALTCredential: DO

Location Address4343 ALL SEASONS DR, STE 220Hilliard, OH 43026-1961

Mailing Address5350 Frantz RdDublin, OH 43016-4259

Phone(614) 544-1100

Fax(614) 544-1101

Sole ProprietorNo

Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2002

Enumeration DateMarch 16, 2006

Last NPPES UpdateDecember 22, 2021

✔ NPI 1497724918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in OH · 34-008401

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

4343 ALL SEASONS DR, Hilliard, OH 43026

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Other Identifiers 1

Medicaid2637034OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, MedMutual.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Andrew Dewalt 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 ID7810925963

PECOS Enrollment IDI20050729000666

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

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

Ohiohealth Urgent Care LLC

4.8 mi

Urgent Care

6905 HOSPITAL DR STE 130
Dublin, OH 43016

Reassigned Medicare billing, Ohio enrollment
388 clinicians in this Medicare group

NPI 1811207160 (614) 923-0300

Ohiohealth Corporation

5.3 mi

Family Medicine

3535 OLENTANGY RIVER RD
Columbus, OH 43214

Reassigned Medicare billing, Ohio enrollment
3,314 clinicians in this Medicare group

NPI 1578545273 (614) 533-5500

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 15

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.

419 services198 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

145 services145 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

120 services101 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

52 services52 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

52 services52 patients

Urine microalbumin (protein) analysis 82044

Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.

46 services43 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

45 services42 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.

44 services38 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

43 services33 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

42 services36 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

35 services33 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

32 services19 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

14 services14 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

14 services14 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

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

Doctors Hospital

Acute Care Hospitals · Columbus, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360152

Location5100 West Broad StreetColumbus, OH 43228 · 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 43026 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

$84.72 typical visit price

range $54.34 – $166.65

Typical copayment $21.18 (range $13.58 – $41.66)

Most-billed visit code 99203

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$11.44 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers15 claims15 services$60.24 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 18

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

DR. ERIN ELIZABETH BROWN D.P.T.

Physical Therapist

4343 ALL SEASONS DR
HILLIARD, OH 43026

Franklin County (614) 544-1217

DR. DEREK EDWARD STONE D.O.

Family Medicine

4343 ALL SEASONS DR, STE 220
HILLIARD, OH 43026

Franklin County (614) 544-1100

MARSHA JAYNE TURNER MD

Family Medicine

4343 ALL SEASONS DR, STE 220
HILLIARD, OH 43026

Franklin County (614) 754-4110

OHIOHEALTH CORPORATION

Radiology (Diagnostic Radiology)

4343 ALL SEASONS DR, STE 120
HILLIARD, OH 43026

Franklin County (614) 544-1142

OHIOHEALTH CORPORATION

Radiologic Technologist (Cardiovascular-Interventional Technology)

4343 ALL SEASONS DR, STE 250
HILLIARD, OH 43026

Franklin County (614) 544-1555

REBECCA E DEVILLERS D.O.

Family Medicine

4343 ALL SEASONS DR, STE 220
HILLIARD, OH 43026

Franklin County (614) 544-1100

DR. AUSTEN S. MUSICK D.O.

Family Medicine

4343 ALL SEASONS DR, SUITE 100
HILLIARD, OH 43026

Franklin County (614) 544-1155

DAVID MEADE SINGER

Physical Therapist

4343 ALL SEASONS DR
HILLIARD, OH 43026

Franklin County (614) 544-1142

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 Mark Dewalt's NPI number?

The NPI number for Mark Dewalt is 1497724918. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Where is Mark Dewalt located?

Mark Dewalt practices at 4343 All Seasons Dr Ste 220, Hilliard, OH 43026. The listed phone number is (614) 544-1100.

What is Mark Dewalt's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Dewalt enrolled in Medicare?

Yes. Mark Dewalt 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.

Which organizations bill Medicare for Mark Dewalt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dewalt reassigns Medicare benefits to 2 organizations: Ohiohealth Urgent Care LLC (Dublin, OH) and Ohiohealth Corporation (Columbus, 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 Mark Dewalt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Dewalt accept?

Health plans from Anthem Blue Cross and Blue Shield and MedMutual list Mark Dewalt 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 Mark Dewalt affiliated with any hospitals?

According to CMS data, Mark Dewalt is affiliated with Riverside Methodist Hospital, Grant Medical Center, Doctors Hospital and Dublin Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Mark Dewalt was last updated on December 22, 2021. 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.