1. Home
  2. Directory
  3. Ohio
  4. Westerville
  5. Internal Medicine
  6. NPI Profile

MICHAEL J DIAL MD
NPI 1023503299
Internal Medicine in Westerville, OH

Active since June 28, 2018PECOS EnrolledAccepts Medicare Assignment
6100 N HAMILTON RD, WESTERVILLE, OH 43081(614) 293-5123(614) 293-4890 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 18, 2025, Oct 14, 2021, Oct 5, 2021 and 2 more (5 updates tracked since 2018).

About Michael J Dial Md NPPES

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

MICHAEL J DIAL MD (NPI 1023503299) is an individual internal medicine provider in Westerville, Ohio, licensed in Ohio (35142973) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1023503299
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL J DIALCredential: MD
Location Address6100 N HAMILTON RDWesterville, OH 43081-2062
Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 293-5123 · Fax (614) 293-4890
Phone(614) 293-5123
Fax(614) 293-4890
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 28, 2018
Last NPPES UpdateNovember 18, 20255 updates tracked since enumeration
NPPES CertifiedNovember 18, 2025
✔ NPI 1023503299 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 · 35142973
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.
6100 N HAMILTON RD, Westerville, OH 43081
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Michael J Dial 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 ID6901201318
PECOS Enrollment IDI20210824001218
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 Michael Dial reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Osu Internal Medicine, LLC
11 mi
Internal Medicine
410 W 10TH AVE
Columbus, OH 43210
  • Reassigned Medicare billing, Ohio enrollment
  • 1,230 clinicians in this Medicare group
NPI 1740231448 (614) 293-8000
Osu General Internal Medicine LLC
12 mi
Internal Medicine
1800 ZOLLINGER RD
Columbus, OH 43221
  • Reassigned Medicare billing, Ohio enrollment
  • 303 clinicians in this Medicare group
NPI 1689919599 (614) 293-5123

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 8

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.
92 services78 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.
61 services15 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
43 services11 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.
41 services37 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.
22 services21 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.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

Ohio State University State Health System

Acute Care Hospitals · Columbus, OH
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number360085
Location410 West 10th AvenueColumbus, OH 43210 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43081 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.

DR. ALEXANDER RYAN HOOPER MD
Internal Medicine (Gastroenterology)
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-6255
AKASH GOYAL MD
Internal Medicine (Cardiovascular Disease)
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-7677
ALAYNA L. GUZAK RD, LD
Dietitian, Registered
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 814-8100
DR. JOHN ODACKAL M.D.
Internal Medicine (Pulmonary Disease)
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-4925
LISA MARIE SHOULDERS PA-C
Physician Assistant
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-6255
DR. SUSAN C MASSICK MD
Dermatology
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-1707
DR. ALISON LOUISE MACKINLAY MD
Family Medicine
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-7500
MR. DEVINDRJIT JORDAN SINGH II APRN-CNP
Nurse Practitioner
6100 N HAMILTON RD
WESTERVILLE, OH 43081
Franklin County (614) 293-7677

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 Michael Dial's NPI number?

The NPI number for Michael Dial is 1023503299. It was assigned to this individual provider in the NPPES registry on June 28, 2018.

Where is Michael Dial located?

Michael Dial practices at 6100 N Hamilton Rd, Westerville, OH 43081. The listed phone number is (614) 293-5123.

What is Michael Dial's specialty?

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

Is Michael Dial enrolled in Medicare?

Yes. Michael Dial 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 Michael Dial's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Dial reassigns Medicare benefits to 2 organizations: Osu Internal Medicine, LLC (Columbus, OH) and Osu General Internal Medicine LLC (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 Michael Dial's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Dial accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 2 other insurers list Michael Dial 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 Michael Dial affiliated with any hospitals?

According to CMS data, Michael Dial is affiliated with Ohio State University State Health System.

When was this NPI record last updated?

The NPPES record for Michael Dial was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.