Dr. Colin Leffert, DO

  • Lakewood, CO
  • Gastroenterologist
NPI1881127140PAC ID6507135365
Medicare services, 2024
361
Medicare patients, 2024
308
Part D claims, 2024
416
MIPS score, 2024
100
Hospital affiliations
2
Practice address
7000 W Colfax Ave, Lakewood, CO 80214
Practice phone
Call (303) 205-1090
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rmg Lakewood Endoscopy

Lakewood, Colorado

See all 8 affiliations

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Dr. Colin Leffert is a gastroenterologist in Lakewood, Colorado

Dr. Leffert practices at Rmg Lakewood Endoscopy in Lakewood, Colorado.

Dr. Leffert's NPI, 1881127140, was assigned on April 4, 2017. Dr. Leffert graduated from Marian University College of Osteopathic Medicine in 2017. Dr. Leffert holds Michigan license 5101025985.

NPI and contact details
Medicare PAC ID
6507135365
NPI enumeration date
April 4, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(303) 205-1090
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

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

Dr. Colin Leffert practices at Rmg Lakewood Endoscopy in Lakewood, Colorado

Dr. Leffert's primary practice is Rmg Lakewood Endoscopy, at 7000 W Colfax Ave, Lakewood, CO 80214 in Jefferson County. The practice phone is (303) 205-1090.

  • Rmg Lakewood Endoscopy
    7000 W Colfax Ave, Lakewood, CO 80214 · Jefferson CountyPhone(303) 205-1090

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

Dr. Colin Leffert is affiliated with 4 sites of care and 4 medical groups

Dr. Leffert's primary practice is Rmg Lakewood Endoscopy in Lakewood, Colorado. Dr. Leffert is also affiliated with HCA HealthONE Presbyterian St. Luke's. The medical group on file is AdventHealth Transplant Institute North Billings. Dmand AI also links Dr. Leffert to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Leffert

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

Dmand AI tracks the EHR system at Dr. Colin Leffert's practice

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

EHR by site
SiteEHR vendor and product
Rmg Lakewood EndoscopyAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Colin Leffert is one of 282 gastroenterologists in Colorado

Gastroenterology is Dr. Leffert's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Leffert's licenses on file in 2 states: Michigan and Colorado.

Specialties and state licenses

  • Gastroenterology, MichiganPrimaryLicense 5101025985 · taxonomy 207RG0100X
  • Colorado licenseLicense DR0074429

Gastroenterologists near Dr. Leffert

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

282gastroenterologists in Colorado
7gastroenterologists in Lakewood

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

Dr. Colin Leffert billed Medicare for 361 services in 2024

CMS data shows 361 Medicare services from Dr. Leffert across 10 procedure codes in 2024, for 308 Medicare patients. Medicare paid $37,243 for them.

Medicare services, 2024361
Medicare patients308
Paid by Medicare$37,243
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 3712024: 24434%
Surgery
2023: 602024: 11795%

Where Dr. Leffert's Medicare services took place, 2024

  • In an office5916%
  • In a facility30284%

Dr. Leffert compared with the Colorado median for gastroenterologists, 2024

  • Dr. Leffert
  • Colorado median
Medicare services
361vs 368Close to median
Medicare patients
308vs 25620% above
Part D claims
314vs 321Close to median

Medians across 280 gastroenterologists in Colorado with Dmand AI profiles that report each measure.

Dr. Leffert'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. Leffert

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

Dr. Colin Leffert treated 308 Medicare patients in 2024, average age 71

CMS counts 308 Medicare patients who saw Dr. Leffert in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.12, 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. Leffert's median patient age at 59, with 54% women.

Medicare patients, 2024308
Average age71
Average risk score2.12
Also on Medicaid24%

Dr. Leffert's Medicare patients by age, 2024

Dr. Leffert's Medicare patients by sex, 2024

  • Women16253%
  • Men14647%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Ischemic heart disease50%
  5. Diabetes44%
  6. Chronic kidney disease42%
  7. Anxiety41%
  8. Mood disorders36%

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

Dr. Leffert's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Colin Leffert wrote 416 Medicare Part D claims in 2024

In 2024, Dr. Leffert wrote 416 Medicare Part D claims for 199 patients. 80% of them were for generic drugs. CMS names the drug for 314 of them, across 9 drugs with 11 or more claims each, at $20,850 in total drug cost. In 2023, CMS named 108 claims across 3 drugs.

Part D claims, 2024416
Drugs named by CMS9
Total drug cost$20,850
Part D patients199

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

  • Generic333 claims80%
  • Brand-name83 claims20%

Dr. Leffert'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1082024: 314191%

Drugs named by CMS: 9 in 2024, 3 in 2023.

See all prescribing by Dr. Leffert

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. Colin Leffert scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Leffert for performance year 2024, reported as part of a group. Dr. Leffert accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Leffert as offering telehealth. CMS counts 56 procedures of colonoscopy by Dr. Leffert, more than 66% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Leffert's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Leffert ranks in Medicare procedure volume

Colonoscopy
66th percentile56 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
62nd percentile46 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Colin Leffert received $6,562 in industry payments from 2018 to 2025

CMS Open Payments shows 295 general payments to Dr. Leffert from 32 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,949.

General payments to Dr. Leffert by program year, 2018 to 2025

General payments to Dr. Leffert by kind, 2018 to 2025

$6.6Kin total
  • Food and beverage$6,39898%
  • Education$1642%

Companies that paid Dr. Leffert the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Leffert

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

Dr. Colin Leffert graduated from Marian University College of Osteopathic Medicine

Dr. Leffert graduated from Marian University College of Osteopathic Medicine in 2017.

  1. Medical schoolMarian University College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Colin Leffert'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 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 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)
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. Colin Leffert

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. Colin Leffert's NPI number?

Dr. Colin Leffert's NPI number is 1881127140. It was assigned on April 4, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Colin Leffert?

Dr. Colin Leffert is a gastroenterologist in Lakewood, Colorado. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Colin Leffert practice?

Dr. Leffert practices at 7000 W Colfax Ave, Lakewood, CO 80214. Dr. Leffert's primary practice is Rmg Lakewood Endoscopy in Lakewood, Colorado. Dmand AI also links Dr. Leffert to 1 hospital, 3 medical groups and 1 group practice or clinic.

What is Dr. Colin Leffert's office phone number?

The practice phone on file for Dr. Leffert is (303) 205-1090.

What is Dr. Colin Leffert's medical license number?

Dr. Leffert holds Michigan license 5101025985, one of the licenses on file in 2 states.

Which states has Dr. Colin Leffert been licensed in?

Dmand AI has state licenses on file for Dr. Leffert in Michigan and Colorado.

Which hospitals is Dr. Colin Leffert affiliated with?

Dr. Leffert is affiliated with HCA HealthONE Presbyterian St. Luke's. Dmand AI links Dr. Leffert to 1 more hospital.

What medical group is Dr. Colin Leffert part of?

Dr. Leffert is linked to AdventHealth Transplant Institute North Billings. Dmand AI links Dr. Leffert to 3 more medical groups.

Does Dr. Colin Leffert accept Medicare?

Yes. CMS data shows Dr. Leffert billed Medicare for 361 services in 2024, and Dr. Leffert accepts Medicare assignment.

Does Dr. Colin Leffert offer telehealth?

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

Show 7 more questionsShow fewer questions

What is Dr. Colin Leffert's MIPS score?

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

How many Medicare patients does Dr. Colin Leffert see?

CMS counts 308 Medicare patients who saw Dr. Leffert in 2024, with an average age of 71.

What services does Dr. Colin Leffert bill to Medicare?

In 2024, Dr. Leffert's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99222).

Where did Dr. Colin Leffert go to medical school?

Dr. Leffert graduated from Marian University College of Osteopathic Medicine in 2017.

What drugs does Dr. Colin Leffert prescribe most?

In 2024 Medicare Part D data, Dr. Leffert's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Colestipol HCl.

Has Dr. Colin Leffert received payments from drug or device companies?

CMS Open Payments shows $6,562 in general payments to Dr. Leffert from 32 companies from 2018 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Colin Leffert been practicing?

Dr. Leffert graduated from medical school in 2017, 9 years ago.

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