Dr. Casey Donald Frey, MD

  • Knoxville, TN
  • Emergency medicine physician
NPI1255894937
Medicare services, 2024
430
Medicare patients, 2024
344
Part D claims, 2024
269
Publications
8
MIPS score, 2024
99
Practice address
9352 Park West Blvd, Knoxville, TN 37923
Practice phone
Call (865) 970-1001
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Covenant Health Parkwest

Hospital · Knoxville, Tennessee

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Dr. Casey Donald Frey is an emergency medicine physician in Knoxville, Tennessee

Dr. Frey practices at Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health.

Dr. Frey's NPI, 1255894937, was assigned on April 10, 2019. Dr. Frey holds Indiana license 01084517A.

NPI and contact details
NPI enumeration date
April 10, 2019
NPI status
Active
Practice phone
(865) 970-1001
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. Casey Donald Frey practices at Covenant Health Parkwest in Knoxville, Tennessee

Dr. Frey's primary practice is Covenant Health Parkwest, at 9352 Park West Blvd, Knoxville, TN 37923 in Knox County. The practice phone is (865) 970-1001.

Source: Dmand AI Affiliation Data

Dr. Casey Donald Frey is affiliated with 2 sites of care and 2 medical groups

Dr. Frey's primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dr. Frey is also affiliated with IU Health Methodist Hospital. The medical group on file is Southeastern Emergency Physicians. Dmand AI also links Dr. Frey to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Frey

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

Dmand AI tracks the EHR system at Dr. Casey Donald Frey's practice

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

EHR by site
SiteEHR vendor and product
Covenant Health ParkwestAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Casey Donald Frey is one of 1,088 emergency medicine physicians in Tennessee

Emergency medicine is Dr. Frey's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Frey is licensed in Indiana.

Specialties and state licenses

  • Emergency medicine, IndianaPrimaryLicense 01084517A · taxonomy 207P00000X

Emergency medicine physicians near Dr. Frey

Counts of emergency medicine physicians 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. Casey Donald Frey billed Medicare for 430 services in 2024

CMS data shows 430 Medicare services from Dr. Frey across 5 procedure codes in 2024, for 344 Medicare patients. Medicare paid $40,486 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024430
Medicare patients344
Paid by Medicare$40,486
Procedure codes5

Dr. Frey's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3872024: 3695%
Tests and treatments
2023: 832024: 6127%

Dr. Frey compared with the Tennessee median for emergency medicine physicians, 2024

  • Dr. Frey
  • Tennessee median
Medicare services
430vs 26662% above
Medicare patients
344vs 25734% above
Part D claims
160vs 9372% above

Medians across 1,079 emergency medicine physicians in Tennessee with Dmand AI profiles that report each measure.

Dr. Frey's most billed Medicare procedure codes, 2024

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

See all procedures by Dr. Frey

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

Dr. Casey Donald Frey treated 344 Medicare patients in 2024, average age 75

CMS counts 344 Medicare patients who saw Dr. Frey in 2024. The largest group is 75 to 84, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Frey's median patient age at 60, with 58% women.

Medicare patients, 2024344
Average age75
Average risk score1.77
Also on Medicaid28%

Dr. Frey's Medicare patients by age, 2024

Dr. Frey's Medicare patients by sex, 2024

  • Women19356%
  • Men15144%

Chronic conditions among Dr. Frey's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Ischemic heart disease46%
  5. Mood disorders41%
  6. Anxiety39%
  7. Chronic kidney disease37%
  8. Depression37%

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

Dr. Frey's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

Dr. Casey Donald Frey wrote 269 Medicare Part D claims in 2024

In 2024, Dr. Frey wrote 269 Medicare Part D claims for 198 patients. 96% of them were for generic drugs. CMS names the drug for 160 of them, across 8 drugs with 11 or more claims each, at $709 in total drug cost. In 2023, CMS named 155 claims across 7 drugs.

Part D claims, 2024269
Drugs named by CMS8
Total drug cost$709
Part D patients198

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

  • Generic258 claims96%
  • Brand-name11 claims4%

Dr. Frey's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Frey's Part D claims, 2024

  • Opioids11%30 of 269 claims
  • Antibiotics45%120 of 269 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1552024: 1603%

Drugs named by CMS: 8 in 2024, 7 in 2023.

See all prescribing by Dr. Frey

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

Dr. Casey Donald Frey scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Frey for performance year 2024, reported as part of a group.

Dr. Frey's MIPS scores, performance year 2024

  • 99of 100Final score
  • 90of 100Quality
  • 100of 100Promoting Interoperability
  • 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

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Dr. Casey Donald Frey has 8 publications on record

Dmand AI links 8 papers to Dr. Frey, published from 2017 to 2021. 2017 was the busiest year, with 2. The most frequent topics are Neurosurgery, Bibliometrics and Biomedical Research. Dr. Frey has published most often in World Neurosurg. Dr. Frey's most frequent co-authors are Kyle Michael Fargen, MD, Felipe C. Albuquerque, MD and Ahmed Abdal Cheema, MD.

Papers8
Years published2017 to 2021

Dr. Frey's papers by year, 2017 to 2021

Topics Dr. Frey writes about most

  • Neurosurgery
  • Bibliometrics
  • Biomedical Research
  • Journal Impact Factor
  • Periodicals as Topic
  • Publishing

Dr. Frey's most frequent co-authors

Recent publications by Dr. Frey

See all 8 publications and co-authors

See who Dr. Frey researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Frey works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Casey Donald Frey received $391 in industry payments from 2024 to 2025

CMS Open Payments shows 3 general payments to Dr. Frey from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $391.

General payments to Dr. Frey by program year, 2024 to 2025

Companies that paid Dr. Frey the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Frey

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

Sources for Dr. Casey Donald Frey'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Casey Donald Frey

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. Casey Donald Frey's NPI number?

Dr. Casey Donald Frey's NPI number is 1255894937. It was assigned on April 10, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Casey Donald Frey?

Dr. Casey Donald Frey is an emergency medicine physician in Knoxville, Tennessee. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Casey Donald Frey practice?

Dr. Frey practices at 9352 Park West Blvd, Knoxville, TN 37923. Dr. Frey's primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dmand AI also links Dr. Frey to 1 medical group.

What is Dr. Casey Donald Frey's office phone number?

The practice phone on file for Dr. Frey is (865) 970-1001.

What is Dr. Casey Donald Frey's medical license number?

Dr. Frey holds Indiana license 01084517A.

Which hospitals is Dr. Casey Donald Frey affiliated with?

Dr. Frey practices at Covenant Health Parkwest in Knoxville, Tennessee. Dr. Frey is also affiliated with IU Health Methodist Hospital.

What medical group is Dr. Casey Donald Frey part of?

Dr. Frey is linked to Southeastern Emergency Physicians. Dmand AI links Dr. Frey to 1 more medical group.

Does Dr. Casey Donald Frey accept Medicare?

Yes. CMS data shows Dr. Frey billed Medicare for 430 services in 2024.

What is Dr. Casey Donald Frey's MIPS score?

Dr. Frey's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

How many Medicare patients does Dr. Casey Donald Frey see?

CMS counts 344 Medicare patients who saw Dr. Frey in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

What services does Dr. Casey Donald Frey bill to Medicare?

In 2024, Dr. Frey's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

What drugs does Dr. Casey Donald Frey prescribe most?

In 2024 Medicare Part D data, Dr. Frey's most prescribed drugs by claims were Cephalexin, Oxycodone HCl and Doxycycline Hyclate.

Has Dr. Casey Donald Frey received payments from drug or device companies?

CMS Open Payments shows $391 in general payments to Dr. Frey from 1 company from 2024 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Dr. Casey Donald Frey been practicing?

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

Does Dr. Casey Donald Frey do research?

Dmand AI links 8 publications to Dr. Frey, published from 2017 to 2021.

Who does Dr. Casey Donald Frey publish with?

Dr. Frey's most frequent co-authors are Kyle Michael Fargen, MD (4 shared papers), Felipe C. Albuquerque, MD (1 shared paper) and Ahmed Abdal Cheema, MD (1 shared paper).

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