Douglas Shaffer Leonard, MA

  • Carroll, IA
  • Audiologist
NPI1447348784PAC ID4789654112
Medicare patients, 2024
143
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
712 Simon Ave, Carroll, IA 51401
Practice phone
Call (712) 243-5796
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Audiological Services of Iowa

Carroll, Iowa

See all 2 affiliations

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Douglas Shaffer Leonard is an audiologist in Carroll, Iowa

Douglas Leonard practices at Audiological Services of Iowa in Carroll, Iowa.

Douglas Leonard's NPI, 1447348784, was assigned on October 11, 2006. Douglas Leonard holds Iowa license 00473.

NPI and contact details
Medicare PAC ID
4789654112
NPI enumeration date
October 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(712) 243-5796
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Douglas Shaffer Leonard practices at Audiological Services of Iowa in Carroll, Iowa

Douglas Leonard's primary practice is Audiological Services of Iowa, at 712 Simon Ave, Carroll, IA 51401 in Carroll County. The practice phone is (712) 243-5796.

  • Audiological Services of Iowa
    712 Simon Ave, Carroll, IA 51401 · Carroll CountyPhone(712) 243-5796

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Douglas Shaffer Leonard is affiliated with 2 sites of care

Douglas Leonard's primary practice is Audiological Services of Iowa in Carroll, Iowa. Dmand AI also links Douglas Leonard to 1 physician office, named with a free account.

Audiological Services of IowaCarroll, IowaPrimary
1 physician officeName with a free account
See all 2 affiliations for Douglas Leonard

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

Dmand AI tracks the EHR system at Douglas Shaffer Leonard's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Douglas Leonard practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Audiological Services of IowaAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Douglas Shaffer Leonard is one of 107 audiologists in Iowa

Audiologist is Douglas Leonard's primary specialty in the NPI Registry, under taxonomy code 231H00000X. Douglas Leonard is licensed in Iowa.

Specialties and state licenses

  • Audiologist, IowaPrimaryLicense 00473 · taxonomy 231H00000X

Audiologists near Douglas Leonard

Counts of audiologists 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

Douglas Shaffer Leonard treated 143 Medicare patients in 2024, average age 76

CMS counts 143 Medicare patients who saw Douglas Leonard in 2024. The largest group is 65 to 74, with 66 patients. 66% of them have high cholesterol, and 63% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Douglas Leonard's median patient age at 77, with 59% women.

Medicare patients, 2024143
Average age76
Average risk score1.22
Also on Medicaid15%

Douglas Leonard's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Douglas Leonard's Medicare patients by sex, 2024

  • Women7351%
  • Men7049%

Chronic conditions among Douglas Leonard's Medicare patients, 2024

  1. High cholesterol66%
  2. High blood pressure63%
  3. Arthritis46%
  4. Anxiety24%
  5. Mood disorders23%
  6. Depression22%
  7. COPD20%
  8. Ischemic heart disease20%

Share of Medicare patients with each condition. A patient can have several.

Douglas Leonard's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Douglas Shaffer Leonard takes part in Medicare

Douglas Leonard accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Douglas Shaffer Leonard'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Douglas Shaffer Leonard

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

What is Douglas Shaffer Leonard's NPI number?

Douglas Shaffer Leonard's NPI number is 1447348784. It was assigned on October 11, 2006, and it is active in the NPI Registry.

What does Douglas Shaffer Leonard specialize in?

Douglas Shaffer Leonard is an audiologist in Carroll, Iowa. The primary specialty in the NPI Registry is Audiologist (taxonomy code 231H00000X).

Where does Douglas Shaffer Leonard practice?

Douglas Leonard practices at 712 Simon Ave, Carroll, IA 51401. Douglas Leonard's primary practice is Audiological Services of Iowa in Carroll, Iowa. Dmand AI also links Douglas Leonard to 1 physician office.

What is Douglas Shaffer Leonard's office phone number?

The practice phone on file for Douglas Leonard is (712) 243-5796.

What is Douglas Shaffer Leonard's medical license number?

Douglas Leonard holds Iowa license 00473.

Does Douglas Shaffer Leonard accept Medicare?

Yes. CMS lists Douglas Leonard as accepting Medicare assignment.

How many Medicare patients does Douglas Shaffer Leonard see?

CMS counts 143 Medicare patients who saw Douglas Leonard in 2024, with an average age of 76.

How long has Douglas Shaffer Leonard been practicing?

Douglas Leonard graduated from medical school in 1998, 28 years ago.

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