NPPES file of Aug 9, 2026

Derek Berg, DO

Internal Medicine Physician · Louisville, CO

Derek Berg, DO is an internal medicine physician with a practice address in Louisville, Colorado, and NPI 1194896969, issued on Nov 13, 2006. Check the license (Colorado DR.0046255, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194896969
Name
Derek Berg
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
DR.0046255 CO
OP00002020 WA
Self-reported in NPPES; status is on the state search
Practice location
100 Health Park Dr, Louisville, CO 80027
Phone
(303) 643-1159
Enumerated
Nov 13, 2006
Record last updated
Mar 28, 2025
Fax
(720) 874-5886
Medicaid IDs
01677527 CO
8431363 WA
Medicare enrollment
Enrolled (PECOS I20080530000298); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Health Park Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susan Ahlberg, RDRegistered Dietitian1609217124
  2. Kimberly Beck, NNPNeonatal Nurse Practitioner1730811472
  3. Amy Berens, RDRegistered Dietitian1679152409
  4. Jennifer Blair, M.D.Family Medicine Physician1053587741
  5. Yaicha Bryan, PAPhysician Assistant1689076861
  6. Alexandra Burgess, RDRegistered Dietitian1861155095

Verify Derek Berg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0046255
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

356 Medicare Part D claims for 114 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Derek Berg356
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Eliquis16 claims
  3. Ondansetron Odt13 claims
  4. Pantoprazole Sodium13 claims
  5. Amoxicillin-Clavulanate Potass12 claims
  6. Furosemide12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%81.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Optumcare Colorado Medical Group LLCGolden, CO
  2. Portercare Adventist Health SystemDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derek Berg among 2,046 internal medicine physician records in Colorado

Derek Berg, DO is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2000 · median 2006 among the 1,090 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Colorado

There are 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Andrew Chernaik, MDLouisville, CO 800271306818620
  2. Jessica Dowgiert, PA-CLouisville, CO 800271558072025
  3. Lisa Iacofano, MDLouisville, CO 800271508891011
  4. Erik Mondrow, M.D.Louisville, CO 800271902944150
  5. David Pinsinski, MDSuperior, CO 800271972590107
  6. Lauren Shaw, M.D.Louisville, CO 800271043553753
  7. Richard Wills, MDLouisville, CO 800271912122938
  8. Tarika Barkhuysen, MDLafayette, CO 800261447711494

Common questions

What is Derek Berg, DO's NPI number?

Derek Berg, DO's National Provider Identifier (NPI) is 1194896969, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Derek Berg, DO located?

The NPPES record lists a practice address at 100 Health Park Dr, Louisville, CO, 80027. Phone: (303) 643-1159. Providers update this record themselves, so call before visiting.

How can I verify Derek Berg, DO's license?

NPPES lists Colorado license number DR.0046255, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Derek Berg, DO prescribe under Medicare Part D?

In 2024, Derek Berg, DO had 356 Medicare Part D claims for 114 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Derek Berg, DO's MIPS final score?

The 2023 MIPS final score is 77.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.