David A. Deffendall, CRNA
- MIPS score, 2024
- 66
- Hospital affiliations
- 2
- Industry payments
- $24
- Medical group
- 1
- State license
- 1
- Practice address
- 4220 Harding Rd, PO Box 380, Nashville, TN 37205
- Practice phone
- Call (615) 222-2111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find David Deffendall's professional email, personal email and mobile number
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David A. Deffendall is a nurse anesthetist in Nashville, Tennessee
David Deffendall practices at Ascension Saint Thomas Hospital West in Nashville, Tennessee, part of Ascension Health Alliance.
David Deffendall's NPI, 1093086597, was assigned on January 16, 2012. David Deffendall holds Tennessee license 16285.
- NPI
- 1093086597NPI Registry (opens in a new tab)
- NPI enumeration date
- January 16, 2012
- NPI status
- Active
- Practice phone
- (615) 222-2111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
David A. Deffendall practices at Ascension Saint Thomas Hospital West in Nashville, Tennessee
David Deffendall's primary practice is Ascension Saint Thomas Hospital West, at 4220 Harding Rd, PO Box 380, Nashville, TN 37205 in Davidson County. The practice phone is (615) 222-2111.
- Ascension Saint Thomas Hospital West4220 Harding Rd, PO Box 380, Nashville, TN 37205 · Davidson CountyPhone(615) 222-2111
Source: Dmand AI Affiliation Data
David A. Deffendall is affiliated with 3 sites of care and 1 medical group
David Deffendall's primary practice is Ascension Saint Thomas Hospital West in Nashville, Tennessee, part of Ascension Health Alliance. The medical group on file is Anesthesia Medical Group. Dmand AI also links David Deffendall to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at David A. Deffendall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Deffendall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Saint Thomas Hospital West | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
David A. Deffendall is one of 2,442 nurse anesthetists in Tennessee
Nurse anesthetist, certified registered is David Deffendall's primary specialty in the NPI Registry, under taxonomy code 367500000X. David Deffendall is licensed in Tennessee.
Specialties and state licenses
- Certified registered nurse anesthetist, TennesseePrimary
Nurse anesthetists near David Deffendall
Counts of nurse anesthetists 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
David A. Deffendall's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts David Deffendall's median patient age at 34, with 96% women.
David Deffendall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women96%
- Men2%
Source: Dmand AI Patient Panel Data
David A. Deffendall scored 66 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for David Deffendall for performance year 2024, reported as part of a group.
David Deffendall's MIPS scores, performance year 2024
- 66of 100Final score
- 59.5of 100Quality
- 40of 100Improvement Activities
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
David A. Deffendall received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to David Deffendall from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $24.
Companies that paid David Deffendall the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David A. Deffendall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David A. Deffendall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David A. Deffendall's NPI number?
David A. Deffendall's NPI number is 1093086597. It was assigned on January 16, 2012, and it is active in the NPI Registry.
What does David A. Deffendall specialize in?
David A. Deffendall is a nurse anesthetist in Nashville, Tennessee. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does David A. Deffendall practice?
David Deffendall practices at 4220 Harding Rd, PO Box 380, Nashville, TN 37205. David Deffendall's primary practice is Ascension Saint Thomas Hospital West in Nashville, Tennessee, part of Ascension Health Alliance. Dmand AI also links David Deffendall to 1 hospital and 1 group practice or clinic.
What is David A. Deffendall's office phone number?
The practice phone on file for David Deffendall is (615) 222-2111.
What is David A. Deffendall's medical license number?
David Deffendall holds Tennessee license 16285.
Which hospitals is David A. Deffendall affiliated with?
David Deffendall practices at Ascension Saint Thomas Hospital West in Nashville, Tennessee. Dmand AI links David Deffendall to 1 more hospital.
What medical group is David A. Deffendall part of?
David Deffendall is linked to Anesthesia Medical Group.
What is David A. Deffendall's MIPS score?
David Deffendall's MIPS final score for performance year 2024 is 66 out of 100, reported as part of a group.
Has David A. Deffendall received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to David Deffendall from 1 company from 2025 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has David A. Deffendall been practicing?
David Deffendall graduated from medical school in 2011, 15 years ago.
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