Dr. Monica K. Ertel, MD, PhD

  • Longmont, CO
  • Glaucoma specialist (ophthalmology) physician
NPI1669869707PAC ID3375880305
Medicare services, 2024
2,150
Medicare patients, 2024
654
Part D claims, 2024
3,072
Publications
20
Hospital affiliations
2
Practice address
205 S Main St, Longmont, CO 80501
Practice phone
Call (303) 532-2986
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Colorado Endoscopy Centers

Longmont, Colorado

See all 7 affiliations

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Dr. Monica K. Ertel is a glaucoma specialist (ophthalmology) physician in Longmont, Colorado

Dr. Ertel practices at Colorado Endoscopy Centers in Longmont, Colorado.

Dr. Ertel's NPI, 1669869707, was assigned on April 15, 2015. Dr. Ertel graduated from Louisiana State University School of Medicine in New Orleans in 2015. Dr. Ertel holds Colorado license 61982.

NPI and contact details
Medicare PAC ID
3375880305
NPI enumeration date
April 15, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(303) 532-2986
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

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

Dr. Monica K. Ertel practices at Colorado Endoscopy Centers in Longmont, Colorado

Dr. Ertel's primary practice is Colorado Endoscopy Centers, at 205 S Main St, Longmont, CO 80501 in Boulder County. The practice phone is (303) 532-2986.

  • Colorado Endoscopy Centers
    205 S Main St, Longmont, CO 80501 · Boulder CountyPhone(303) 532-2986

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

Dr. Monica K. Ertel is affiliated with 4 sites of care and 3 medical groups

Dr. Ertel's primary practice is Colorado Endoscopy Centers in Longmont, Colorado. Dr. Ertel is also affiliated with UCHealth University of Colorado Hospital. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Ertel to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Ertel

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

Dmand AI tracks the EHR system at Dr. Monica K. Ertel's practice

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

EHR by site
SiteEHR vendor and product
Colorado Endoscopy CentersAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Monica K. Ertel is one of 18 glaucoma specialist (ophthalmology) physicians in Colorado

Glaucoma specialist is Dr. Ertel's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dr. Ertel is licensed in Colorado.

Specialties and state licenses

  • Glaucoma specialist (ophthalmology), ColoradoPrimaryLicense 61982 · taxonomy 207WX0009X

Glaucoma specialist (ophthalmology) physicians near Dr. Ertel

Counts of glaucoma specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.

18glaucoma specialist (ophthalmology) physicians in Colorado
4glaucoma specialist (ophthalmology) physicians in Longmont

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

Dr. Monica K. Ertel billed Medicare for 2,150 services in 2024

CMS data shows 2,150 Medicare services from Dr. Ertel across 18 procedure codes in 2024, for 654 Medicare patients. Medicare paid $158,855 for them.

Medicare services, 20242,150
Medicare patients654
Paid by Medicare$158,855
Procedure codes18

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

  • 2023
  • 2024
Tests and treatments
2023: 1,0172024: 1,41339%
Office and hospital visits
2023: 8342024: 48642%
Surgery
2023: 2252024: 2183%
Imaging
2023: 02024: 33

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

  • In an office1,40165%
  • In a facility74935%

Dr. Ertel compared with the Colorado median for glaucoma specialist (ophthalmology) physicians, 2024

  • Dr. Ertel
  • Colorado median
Medicare services
2,150vs 2,2665% below
Medicare patients
654vs 6176% above
Part D claims
2,970vs 2,08243% above

Medians across 20 glaucoma specialist (ophthalmology) physicians in Colorado with Dmand AI profiles that report each measure.

Dr. Ertel'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. Ertel

Need commercial claims for Dr. Ertel?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ertel and other glaucoma specialist (ophthalmology) physicians in Colorado.

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

Dr. Monica K. Ertel treated 654 Medicare patients in 2024, average age 76

CMS counts 654 Medicare patients who saw Dr. Ertel in 2024. The largest group is 75 to 84, with 282 patients. 68% of them have high cholesterol, and 62% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ertel's median patient age at 76, with 57% women.

Medicare patients, 2024654
Average age76
Average risk score1.31
Also on Medicaid21%

Dr. Ertel's Medicare patients by age, 2024

Dr. Ertel's Medicare patients by sex, 2024

  • Women36456%
  • Men29044%

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

  1. High cholesterol68%
  2. High blood pressure62%
  3. Arthritis44%
  4. Ischemic heart disease27%
  5. Chronic kidney disease23%
  6. Diabetes22%
  7. Mood disorders22%
  8. Osteoporosis22%

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

Dr. Ertel's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. Monica K. Ertel wrote 3,072 Medicare Part D claims in 2024

In 2024, Dr. Ertel wrote 3,072 Medicare Part D claims for 697 patients. 61% of them were for generic drugs. CMS names the drug for 2,970 of them, across 21 drugs with 11 or more claims each, at $263,173 in total drug cost. In 2023, CMS named 2,946 claims across 22 drugs.

Part D claims, 20243,072
Drugs named by CMS21
Total drug cost$263,173
Part D patients697

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

  • Generic1,875 claims61%
  • Brand-name1,197 claims39%

Dr. Ertel'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: 2,9462024: 2,9701%

Drugs named by CMS: 21 in 2024, 22 in 2023.

See all prescribing by Dr. Ertel

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. Monica K. Ertel ranks in the 82nd percentile for cataract surgery in Medicare

Dr. Ertel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 173 procedures of cataract surgery by Dr. Ertel, more than 82% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Ertel ranks in Medicare procedure volume

Cataract surgery
82nd percentile173 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Monica K. Ertel has 20 publications on record

Dmand AI links 20 papers to Dr. Ertel, published from 2019 to 2025. 2022 was the busiest year, with 5. The most frequent topics are Glaucoma, Intraocular Pressure and Phacoemulsification. Dr. Ertel has published most often in Ophthalmol Ther. Dr. Ertel's most frequent co-authors are Malik Y. Kahook, MD, Leonard K. Seibold, MD and Mina Blagoeva Pantcheva, MD.

Papers20
Years published2019 to 2025

Dr. Ertel's papers by year, 2019 to 2025

Topics Dr. Ertel writes about most

  • Glaucoma
  • Intraocular Pressure
  • Phacoemulsification
  • Glaucoma, Open-Angle
  • Glaucoma Drainage Implants
  • Ocular Hypertension
  • Postoperative Complications
  • Stents

Dr. Ertel's most frequent co-authors

Recent publications by Dr. Ertel

See all 20 publications and co-authors

See who Dr. Ertel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ertel works with, so you can find a warm path to the right glaucoma specialist (ophthalmology) physicians.

How network discovery works

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

Dr. Monica K. Ertel received $6,882 in industry payments from 2016 to 2025

CMS Open Payments shows 54 general payments to Dr. Ertel from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 53% of the total. Abbvie Inc. paid the most, $3,662.

General payments to Dr. Ertel by program year, 2016 to 2025

General payments to Dr. Ertel by kind, 2016 to 2025

$6.9Kin total
  • Food and beverage$3,67653%
  • Consulting fees$3,20647%

Companies that paid Dr. Ertel the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ertel

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

Dr. Monica K. Ertel graduated from Louisiana State University School of Medicine in New Orleans

Dr. Ertel graduated from Louisiana State University School of Medicine in New Orleans in 2015.

  1. Medical schoolLouisiana State University School of Medicine in New Orleans

Source: Dmand AI Professional Profile Data

Sources for Dr. Monica K. Ertel'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)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. Monica K. Ertel

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. Monica K. Ertel's NPI number?

Dr. Monica K. Ertel's NPI number is 1669869707. It was assigned on April 15, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Monica K. Ertel?

Dr. Monica K. Ertel is a glaucoma specialist (ophthalmology) physician in Longmont, Colorado. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).

Where does Dr. Monica K. Ertel practice?

Dr. Ertel practices at 205 S Main St, Longmont, CO 80501. Dr. Ertel's primary practice is Colorado Endoscopy Centers in Longmont, Colorado. Dmand AI also links Dr. Ertel to 1 hospital, 2 medical groups and 1 group practice or clinic.

What is Dr. Monica K. Ertel's office phone number?

The practice phone on file for Dr. Ertel is (303) 532-2986.

What is Dr. Monica K. Ertel's medical license number?

Dr. Ertel holds Colorado license 61982.

Which hospitals is Dr. Monica K. Ertel affiliated with?

Dr. Ertel is affiliated with UCHealth University of Colorado Hospital. Dmand AI links Dr. Ertel to 1 more hospital.

What medical group is Dr. Monica K. Ertel part of?

Dr. Ertel is linked to University of Colorado Medicine (CU Medicine). Dmand AI links Dr. Ertel to 2 more medical groups.

Does Dr. Monica K. Ertel accept Medicare?

Yes. CMS data shows Dr. Ertel billed Medicare for 2,150 services in 2024, and Dr. Ertel accepts Medicare assignment.

How many Medicare patients does Dr. Monica K. Ertel see?

CMS counts 654 Medicare patients who saw Dr. Ertel in 2024, with an average age of 76.

What services does Dr. Monica K. Ertel bill to Medicare?

In 2024, Dr. Ertel's most billed Medicare services were eye exam or test (92083), office visit, established patient (99214) and eye exam or test (92133).

Show 6 more questionsShow fewer questions

Where did Dr. Monica K. Ertel go to medical school?

Dr. Ertel graduated from Louisiana State University School of Medicine in New Orleans in 2015.

What drugs does Dr. Monica K. Ertel prescribe most?

In 2024 Medicare Part D data, Dr. Ertel's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.

Has Dr. Monica K. Ertel received payments from drug or device companies?

CMS Open Payments shows $6,882 in general payments to Dr. Ertel from 12 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Monica K. Ertel been practicing?

Dr. Ertel graduated from medical school in 2015, 11 years ago.

Does Dr. Monica K. Ertel do research?

Dmand AI links 20 publications to Dr. Ertel, published from 2019 to 2025.

Who does Dr. Monica K. Ertel publish with?

Dr. Ertel's most frequent co-authors are Malik Y. Kahook, MD (13 shared papers), Leonard K. Seibold, MD (13 shared papers) and Mina Blagoeva Pantcheva, MD (10 shared papers).

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