WILLIAM SCHNACKEL M.D.
NPI 1063723328
Internal Medicine in Columbus, OH

Q: What is William Schnackel's NPI number?

The NPI number for William Schnackel is 1063723328. It was assigned to this individual provider in the NPPES registry on July 1, 2010.

Q: What is William Schnackel's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Schnackel was last updated on August 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 July 01, 2010PECOS EnrolledAccepts Medicare Assignment

4895 OLENTANGY RIVER RD, SUITE 250, COLUMBUS, OH 43214(614) 267-8371(614) 262-0005 Get Directions Write a Review

NPPES record last updated: August 28, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About William Schnackel M.d. NPPES

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

WILLIAM SCHNACKEL M.D. (NPI 1063723328) is an individual internal medicine provider in Columbus, Ohio, licensed in Ohio (35.120876) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1063723328

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM SCHNACKELCredential: M.D.

Location Address4895 OLENTANGY RIVER RD, SUITE 250Columbus, OH 43214-1183

Mailing Address4895 Olentangy River Rd, Suite 250Columbus, OH 43214-1183 · (614) 267-8371 · Fax (614) 262-0005

Phone(614) 267-8371

Fax(614) 262-0005

Sole ProprietorYes

Medical School CMSOtherGraduated 2010

Enumeration DateJuly 1, 2010

Last NPPES UpdateAugust 28, 2014

✔ NPI 1063723328 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 · 35.120876

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.

4895 OLENTANGY RIVER RD, Columbus, OH 43214

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Other Identifiers 3

Medicare PINH211200OH

Medicare PINH211201OH

Medicaid0084265OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource 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

William Schnackel M.d. 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 ID7810135050

PECOS Enrollment IDI20130717000822

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 William Schnackel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ohiohealth Corporation

1.7 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

Central Ohio Primary Care Physicians, Inc.

7.7 mi

Internal Medicine

655 AFRICA RD
Westerville, OH 43082

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

NPI 1194705194 (614) 326-2672

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 35

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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

272 services167 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.

268 services115 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

231 services158 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

199 services152 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

173 services154 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

171 services151 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

165 services153 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

151 services141 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.

146 services146 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

120 services104 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.

71 services58 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

55 services52 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.

37 services37 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.

37 services37 patients

Bacterial urine culture 87088

A bacterial urine culture is a laboratory test that checks for bacteria in your urine. It helps identify the type of bacteria causing an infection, enabling the selection of the most effective treatment. The test involves collecting a urine sample in a sterile container.

29 services26 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

24 services17 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

23 services21 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

22 services21 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

22 services21 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

21 services18 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

21 services18 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

20 services16 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

19 services18 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.

19 services18 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.

17 services16 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

17 services13 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

16 services13 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.

16 services16 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.

16 services16 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

16 services16 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

15 services14 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186

This process checks how well certain drugs, like antibiotics, can fight against infections. It involves mixing the drug with a microbe (like bacteria or a virus) in a lab. By observing how the microbe reacts, it helps determine the best drug to treat your infection.

14 services13 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

13 services11 patients

Creatine kinase (cardiac enzyme) level, total 82550

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

12 services11 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

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 43214 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

8 suppliers12 claims27 services$5.19 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 20

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

RAVI S DHAWALE MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

DR. SHILPA BATHINI M.D.

Internal Medicine

4895 OLENTANGY RIVER RD
COLUMBUS, OH 43214

Franklin County (614) 326-1502

CYNTHIA A REESE M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 250
COLUMBUS, OH 43214

Franklin County (614) 267-8371

STEPHEN M DAVAKIS M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 250
COLUMBUS, OH 43214

Franklin County (614) 267-8371

JULIE A CHALMERS M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 250
COLUMBUS, OH 43214

Franklin County (614) 267-8371

LAURA B. BUTZ MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

FRANCINE A GIANNETTO M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 200
COLUMBUS, OH 43214

Franklin County (614) 326-1502

CHRISTIANE M BLANTON CNP

Nurse Practitioner (Family)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

SOPHIA B MEIS DO

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

RONALD D WINLAND M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 250
COLUMBUS, OH 43214

Franklin County (614) 267-8371

ROMI BHASIN M.D., PHD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

MARIETTA A HOFMEISTER M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 200
COLUMBUS, OH 43214

Franklin County (614) 326-1502

CONSTANTINE N KROUSTOS MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

JOAN E KING D.O.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 200
COLUMBUS, OH 43214

Franklin County (614) 326-1502

CHRISTINA S LEACH M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 200
COLUMBUS, OH 43214

Franklin County (614) 326-1502

DANIEL P MELARAGNO M.D.

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 250
COLUMBUS, OH 43214

Franklin County (614) 267-8371

JENNIFER ELLEN BUSH MD

Internal Medicine

4895 OLENTANGY RIVER RD, SUITE 200
COLUMBUS, OH 43214

Franklin County (614) 326-1502

LESLIE K HOFFMAN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

CHERYL ELAINE KOLLMAN NP

Nurse Practitioner (Family)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

SAMUEL R ANDERSON M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4895 OLENTANGY RIVER RD, SUITE 100
COLUMBUS, OH 43214

Franklin County (614) 457-7732

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 William Schnackel's NPI number?

The NPI number for William Schnackel is 1063723328. It was assigned to this individual provider in the NPPES registry on July 1, 2010.

Where is William Schnackel located?

William Schnackel practices at 4895 Olentangy River Rd Suite 250, Columbus, OH 43214. The listed phone number is (614) 267-8371.

What is William Schnackel's specialty?

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

Is William Schnackel enrolled in Medicare?

Yes. William Schnackel 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 William Schnackel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Schnackel reassigns Medicare benefits to 2 organizations: Ohiohealth Corporation (Columbus, OH) and Central Ohio Primary Care Physicians, Inc. (Westerville, 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 William Schnackel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Schnackel accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource, MedMutual and Oscar Health Insurance and 1 other insurer list William Schnackel 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 William Schnackel affiliated with any hospitals?

According to CMS data, William Schnackel is affiliated with Riverside Methodist Hospital, Grant Medical Center and Dublin Methodist Hospital.

When was this NPI record last updated?

The NPPES record for William Schnackel was last updated on August 28, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.