Dr. William D. Wallace, DO

  • Cleveland, OH
  • Internist
NPI1104387398
Medicare services, 2023
39
Part D claims, 2024
56
Hospital affiliations
1
Industry payments
$66
State license
1
Practice address
9500 Euclid Avenue, Cleveland, OH 44195
Practice phone
Call (216) 952-9829
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cleveland Clinic Main Campus

Hospital · Cleveland, Ohio

See all 3 affiliations

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Dr. William D. Wallace is an internist in Cleveland, Ohio

Dr. Wallace practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.

Dr. Wallace's NPI, 1104387398, was assigned on March 29, 2019. Dr. Wallace holds Ohio license 34.015784.

NPI and contact details
NPI enumeration date
March 29, 2019
NPI status
Active
Practice phone
(216) 952-9829
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. William D. Wallace practices at Cleveland Clinic Main Campus in Cleveland, Ohio

Dr. Wallace's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.

Source: Dmand AI Affiliation Data

Dr. William D. Wallace is affiliated with 3 sites of care

Dr. Wallace's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Wallace to 2 clinical labs, each named with a free account. Dr. Wallace's employer is on file too: a hospital.

See all 3 affiliations for Dr. Wallace

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William D. Wallace's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallace practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cleveland Clinic Main CampusAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William D. Wallace is one of 4,708 internists in Ohio

Internal medicine is Dr. Wallace's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wallace is licensed in Ohio.

Specialties and state licenses

  • Internal medicine, OhioPrimaryLicense 34.015784 · taxonomy 207R00000X

Internists near Dr. Wallace

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William D. Wallace billed Medicare for 39 services in 2023

CMS data shows 39 Medicare services from Dr. Wallace across 2 procedure codes in 2023. Medicare paid $4,083 for them.

Medicare services, 202339
Paid by Medicare$4,083
Procedure codes2

Dr. Wallace's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 192023: 39105%

Where Dr. Wallace's Medicare services took place, 2023

  • In an office1846%
  • In a facility2154%

Dr. Wallace compared with the Ohio median for internists, 2023

  • Dr. Wallace
  • Ohio median
Medicare services
39vs 48792% below
Part D claims
129vs 29456% below

Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.

Dr. Wallace's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William D. Wallace's patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Dr. Wallace's median patient age at 64, with 59% women.

Dr. Wallace's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women59%
  • Men38%

Source: Dmand AI Patient Panel Data

Dr. William D. Wallace wrote 56 Medicare Part D claims in 2024

In 2024, Dr. Wallace wrote 56 Medicare Part D claims for 17 patients. 79% of them were for generic drugs. They cover 8 drugs, with $14,348 in total drug cost. In 2021, CMS named 144 claims across 7 drugs.

Part D claims, 202456
Drugs named by CMS8
Total drug cost$14,348
Part D patients17

Dr. Wallace's Part D claims by kind of drug, 2024

  • Generic44 claims79%
  • Brand-name and other12 claims21%

Dr. Wallace's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 1442022: 12910%

Drugs named by CMS: 8 in 2022, 7 in 2021.

See all prescribing by Dr. Wallace

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. William D. Wallace received $66 in industry payments in 2023

CMS Open Payments shows 2 general payments to Dr. Wallace from 2 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $49.

Companies that paid Dr. Wallace the most, 2023 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Wallace

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. William D. Wallace's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William D. Wallace

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William D. Wallace's NPI number?

Dr. William D. Wallace's NPI number is 1104387398. It was assigned on March 29, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. William D. Wallace?

Dr. William D. Wallace is an internist in Cleveland, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. William D. Wallace practice?

Dr. Wallace practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Wallace's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Wallace to 2 clinical labs.

What is Dr. William D. Wallace's office phone number?

The practice phone on file for Dr. Wallace is (216) 952-9829.

What is Dr. William D. Wallace's medical license number?

Dr. Wallace holds Ohio license 34.015784.

Which hospitals is Dr. William D. Wallace affiliated with?

Dr. Wallace practices at Cleveland Clinic Main Campus in Cleveland, Ohio.

Does Dr. William D. Wallace accept Medicare?

Yes. CMS data shows Dr. Wallace billed Medicare for 39 services in 2023.

What services does Dr. William D. Wallace bill to Medicare?

In 2023, Dr. Wallace's most billed Medicare services were hospital inpatient care (99223) and office visit, established patient (99214).

What drugs does Dr. William D. Wallace prescribe most?

In 2022 Medicare Part D data, Dr. Wallace's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Carvedilol.

Has Dr. William D. Wallace received payments from drug or device companies?

CMS Open Payments shows $66 in general payments to Dr. Wallace from 2 companies from 2023 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. William D. Wallace been practicing?

Dr. Wallace graduated from medical school in 2019, 7 years ago.

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