William Terrell Parmenter

  • Indianapolis, IN
  • Physician assistant
NPI1912512476
Medicare patients, 2024
152
Part D claims, 2024
252
MIPS score, 2024
94
Hospital affiliations
2
Medical groups
3
Practice address
8111 S Emerson Ave, Indianapolis, IN 46237
Practice phone
Call (317) 528-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Franciscan Health Indianapolis

Hospital · Indianapolis, Indiana

See all 5 affiliations

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William Terrell Parmenter is a physician assistant in Indianapolis, Indiana

William Parmenter practices at Franciscan Health Indianapolis in Indianapolis, Indiana, part of Franciscan Alliance.

William Parmenter's NPI, 1912512476, was assigned on September 11, 2020.

NPI and contact details
NPI enumeration date
September 11, 2020
NPI status
Active
Practice phone
(317) 528-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male

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

William Terrell Parmenter practices at Franciscan Health Indianapolis in Indianapolis, Indiana

William Parmenter's primary practice is Franciscan Health Indianapolis, at 8111 S Emerson Ave, Indianapolis, IN 46237 in Marion County. The practice phone is (317) 528-5000.

Source: Dmand AI Affiliation Data

William Terrell Parmenter is affiliated with 2 sites of care and 3 medical groups

William Parmenter's primary practice is Franciscan Health Indianapolis in Indianapolis, Indiana, part of Franciscan Alliance. The medical group on file is Vituity. Dmand AI also links William Parmenter to 1 more hospital and 2 medical groups, each named with a free account.

See all 5 affiliations for William Parmenter

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

Dmand AI tracks the EHR system at William Terrell Parmenter's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Parmenter practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Franciscan Health IndianapolisAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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William Terrell Parmenter is one of 2,113 physician assistants in Indiana

Physician assistant is William Parmenter's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Parmenter has a license on file in Indiana.

Specialties and state licenses

  • Indiana licenseLicense 10003093A

Physician assistants near William Parmenter

Counts of physician assistants 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

William Terrell Parmenter treated 152 Medicare patients in 2024, average age 73

CMS counts 152 Medicare patients who saw William Parmenter in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts William Parmenter's median patient age at 61, with 58% women.

Medicare patients, 2024152
Average age73
Average risk score2.11
Also on Medicaid26%

William Parmenter's Medicare patients by age, 2024

William Parmenter's Medicare patients by sex, 2024

  • Women8355%
  • Men6945%

Chronic conditions among William Parmenter's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Mood disorders58%
  5. Anxiety57%
  6. Depression55%
  7. Ischemic heart disease49%
  8. Chronic kidney disease47%

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

William Parmenter's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

William Terrell Parmenter wrote 252 Medicare Part D claims in 2024

In 2024, William Parmenter wrote 252 Medicare Part D claims for 174 patients. 97% of them were for generic drugs.

Part D claims, 2024252
Part D patients174

William Parmenter's Part D claims by kind of drug, 2024

  • Generic245 claims97%
  • Brand-name and other7 claims3%

Drug classes CMS tracks in William Parmenter's Part D claims, 2024

  • Opioids21%53 of 252 claims
  • Antibiotics27%67 of 252 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

William Terrell Parmenter scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for William Parmenter for performance year 2024, reported as part of a group.

William Parmenter's MIPS scores, performance year 2024

  • 94of 100Final score
  • 91.7of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for William Terrell Parmenter'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 patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (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 William Terrell Parmenter

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

What is William Terrell Parmenter's NPI number?

William Terrell Parmenter's NPI number is 1912512476. It was assigned on September 11, 2020, and it is active in the NPI Registry.

What does William Terrell Parmenter specialize in?

William Terrell Parmenter is a physician assistant in Indianapolis, Indiana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does William Terrell Parmenter practice?

William Parmenter practices at 8111 S Emerson Ave, Indianapolis, IN 46237. William Parmenter's primary practice is Franciscan Health Indianapolis in Indianapolis, Indiana, part of Franciscan Alliance. Dmand AI also links William Parmenter to 1 hospital and 2 medical groups.

What is William Terrell Parmenter's office phone number?

The practice phone on file for William Parmenter is (317) 528-5000.

Which hospitals is William Terrell Parmenter affiliated with?

William Parmenter practices at Franciscan Health Indianapolis in Indianapolis, Indiana. Dmand AI links William Parmenter to 1 more hospital.

What medical group is William Terrell Parmenter part of?

William Parmenter is linked to Vituity. Dmand AI links William Parmenter to 2 more medical groups.

What is William Terrell Parmenter's MIPS score?

William Parmenter's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

How many Medicare patients does William Terrell Parmenter see?

CMS counts 152 Medicare patients who saw William Parmenter in 2024, with an average age of 73.

How long has William Terrell Parmenter been practicing?

William Parmenter's NPI was assigned in 2020.

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