Dr. Toby Merrill Enniss, MD

  • Salt Lake City, UT
  • Surgical critical care physician
NPI1295915536PAC ID0749332732
Medicare services, 2024
337
Medicare patients, 2024
194
Part D claims, 2024
23
Publications
28
MIPS score, 2024
90
Practice address
50 North Medical Drive, Salt Lake City, UT 84132
Practice phone
Call (801) 581-2337
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Utah Hospitals and Clinics - Unit

Acute Care Hospital-Unit · Salt Lake City, Utah

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Dr. Toby Merrill Enniss is a surgical critical care physician in Salt Lake City, Utah

Dr. Enniss practices at University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah.

Dr. Enniss' NPI, 1295915536, was assigned on November 3, 2007. Dr. Enniss graduated from University of Utah School of Medicine in 2003. Dr. Enniss holds Utah license 7643802-1205.

NPI and contact details
Medicare PAC ID
0749332732
NPI enumeration date
November 3, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(801) 581-2337
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Toby Merrill Enniss practices at University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah

Dr. Enniss' primary practice is University of Utah Hospitals and Clinics - Unit, at 50 North Medical Drive, Salt Lake City, UT 84132 in Salt Lake County. The practice phone is (801) 581-2337.

  • University of Utah Hospitals and Clinics - Unit
    50 North Medical Drive, Salt Lake City, UT 84132 · Salt Lake CountyPhone(801) 581-2337

Source: Dmand AI Affiliation Data

Dr. Toby Merrill Enniss is affiliated with 3 sites of care and 2 medical groups

Dr. Enniss' primary practice is University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah. Dr. Enniss is also affiliated with University of Utah Hospital. The medical group on file is University of Utah Health. Dmand AI also links Dr. Enniss to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Enniss

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Toby Merrill Enniss' practice

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

EHR by site
SiteEHR vendor and product
University of Utah Hospitals and Clinics - UnitAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Toby Merrill Enniss is one of 9 surgical critical care physicians in Utah

Surgical critical care is Dr. Enniss' primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dr. Enniss is licensed in Utah.

Specialties and state licenses

  • Surgical critical care, UtahPrimaryLicense 7643802-1205 · taxonomy 2086S0102X

Surgical critical care physicians near Dr. Enniss

Counts of surgical critical care physicians with a Dmand AI profile, by place and practice. Each opens the list.

9surgical critical care physicians in Utah
8surgical critical care physicians in Salt Lake City

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

Dr. Toby Merrill Enniss billed Medicare for 337 services in 2024

CMS data shows 337 Medicare services from Dr. Enniss across 7 procedure codes in 2024, for 194 Medicare patients. Medicare paid $35,124 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024337
Medicare patients194
Paid by Medicare$35,124
Procedure codes7

Dr. Enniss' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3302024: 3372%

Dr. Enniss' 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.

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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Dr. Toby Merrill Enniss treated 194 Medicare patients in 2024, average age 72

CMS counts 194 Medicare patients who saw Dr. Enniss in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.26, 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. Enniss' median patient age at 64, with 44% women.

Medicare patients, 2024194
Average age72
Average risk score2.26
Also on Medicaid23%

Dr. Enniss' Medicare patients by age, 2024

Dr. Enniss' Medicare patients by sex, 2024

  • Women8544%
  • Men10956%

Chronic conditions among Dr. Enniss' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol66%
  3. Arthritis55%
  4. Mood disorders47%
  5. Depression46%
  6. Anxiety42%
  7. Chronic kidney disease36%
  8. Diabetes36%

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

Dr. Enniss' 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

  • Women44%
  • Men56%

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

Dr. Toby Merrill Enniss wrote 23 Medicare Part D claims in 2024

In 2024, Dr. Enniss wrote 23 Medicare Part D claims for 16 patients. 96% of them were for generic drugs.

Part D claims, 202423
Part D patients16

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

  • Generic22 claims96%
  • Brand-name and other1 claims4%

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

Dr. Toby Merrill Enniss scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Enniss for performance year 2024, reported as part of a group. Dr. Enniss accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Enniss as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Enniss' MIPS scores, performance year 2024

  • 90of 100Final score
  • 72.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

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

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Toby Merrill Enniss has 28 publications on record

Dmand AI links 28 papers to Dr. Enniss, published from 2012 to 2025. 2019 was the busiest year, with 4. The most frequent topics are Trauma Centers, Brain Injuries, Traumatic and Cholecystitis, Acute. Dr. Enniss has published most often in J Trauma Acute Care Surg. Dr. Enniss' most frequent co-authors are Alexander Lorenzo Colonna, MD, Marta Louise McCrum, MD and Thomas J. Schroeppel, MD.

Papers28
Years published2012 to 2025

Dr. Enniss' papers by year, 2014 to 2025

Topics Dr. Enniss writes about most

  • Trauma Centers
  • Brain Injuries, Traumatic
  • Cholecystitis, Acute
  • Injury Severity Score
  • Tomography, X-Ray Computed
  • Wounds and Injuries
  • Aftercare
  • Anastomosis, Surgical

Dr. Enniss' most frequent co-authors

Recent publications by Dr. Enniss

See all 28 publications and co-authors

See who Dr. Enniss researches with

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

How network discovery works

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

Dr. Toby Merrill Enniss received $7,924 in industry payments from 2020 to 2025

CMS Open Payments shows 18 general payments to Dr. Enniss from 5 drug and device companies from 2020 to 2025. Education make up the largest share, 69% of the total. Intuitive Surgical, Inc. paid the most, $6,873.

General payments to Dr. Enniss by program year, 2020 to 2025

General payments to Dr. Enniss by kind, 2020 to 2025

$7.9Kin total
  • Education$5,50069%
  • Travel and lodging$1,83423%
  • Food and beverage$5907%

Companies that paid Dr. Enniss the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Enniss

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

Dr. Toby Merrill Enniss graduated from University of Utah School of Medicine

Dr. Enniss graduated from University of Utah School of Medicine in 2003.

  1. Medical schoolUniversity of Utah School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Toby Merrill Enniss'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 Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Toby Merrill Enniss

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. Toby Merrill Enniss' NPI number?

Dr. Toby Merrill Enniss' NPI number is 1295915536. It was assigned on November 3, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Toby Merrill Enniss?

Dr. Toby Merrill Enniss is a surgical critical care physician in Salt Lake City, Utah. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).

Where does Dr. Toby Merrill Enniss practice?

Dr. Enniss practices at 50 North Medical Drive, Salt Lake City, UT 84132. Dr. Enniss' primary practice is University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah. Dmand AI also links Dr. Enniss to 1 group practice or clinic and 1 medical group.

What is Dr. Toby Merrill Enniss' office phone number?

The practice phone on file for Dr. Enniss is (801) 581-2337.

What is Dr. Toby Merrill Enniss' medical license number?

Dr. Enniss holds Utah license 7643802-1205.

Which hospitals is Dr. Toby Merrill Enniss affiliated with?

Dr. Enniss is affiliated with University of Utah Hospital. Dmand AI links Dr. Enniss to 1 more hospital.

What medical group is Dr. Toby Merrill Enniss part of?

Dr. Enniss is linked to University of Utah Health. Dmand AI links Dr. Enniss to 1 more medical group.

Does Dr. Toby Merrill Enniss accept Medicare?

Yes. CMS data shows Dr. Enniss billed Medicare for 337 services in 2024, and Dr. Enniss accepts Medicare assignment.

Does Dr. Toby Merrill Enniss offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Enniss as offering telehealth services.

What is Dr. Toby Merrill Enniss' MIPS score?

Dr. Enniss' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Toby Merrill Enniss see?

CMS counts 194 Medicare patients who saw Dr. Enniss in 2024, with an average age of 72.

What services does Dr. Toby Merrill Enniss bill to Medicare?

In 2024, Dr. Enniss' most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99233).

Where did Dr. Toby Merrill Enniss go to medical school?

Dr. Enniss graduated from University of Utah School of Medicine in 2003.

Has Dr. Toby Merrill Enniss received payments from drug or device companies?

CMS Open Payments shows $7,924 in general payments to Dr. Enniss from 5 companies from 2020 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Toby Merrill Enniss been practicing?

Dr. Enniss graduated from medical school in 2003, 23 years ago.

Does Dr. Toby Merrill Enniss do research?

Dmand AI links 28 publications to Dr. Enniss, published from 2012 to 2025.

Who does Dr. Toby Merrill Enniss publish with?

Dr. Enniss' most frequent co-authors are Alexander Lorenzo Colonna, MD (6 shared papers), Marta Louise McCrum, MD (5 shared papers) and Thomas J. Schroeppel, MD (5 shared papers).

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