Lois Jeanne Isaksen, MD
Emergency Medicine Physician · Denver, CO
Lois Jeanne Isaksen, MD is an emergency medicine physician with a practice address in Denver, Colorado, and NPI 1730406455, issued on Apr 21, 2010. Check the license (Colorado DR.0067039, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lois Jeanne Isaksen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DR.0067039 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1545 California St, Denver, CO 80202
- Phone
- (347) 325-0338
- Enumerated
- Apr 21, 2010
- Record last updated
- Sep 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250210003373); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 1545 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Haber, M.D.Internal Medicine Physician1558509422
Verify Lois Jeanne Isaksen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0067039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average emergency medicine physician in 2024
54 Medicare Part D claims for 37 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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): 91.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pine Ridge Indian Health Service HospitalPine Ridge, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lois Jeanne Isaksen among 1,434 emergency medicine physician records in Colorado
Lois Jeanne Isaksen, MD is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2011 among the 810 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Denver → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mitchel Schwindt, MDDenver, CO 802021669494217
- Joseph Caruso, MDDenver, CO 802031245204841
- W Leach, M.D.Denver, CO 802031568499515
- James Porter, MDDenver, CO 802031194721621
- Michael Breyer, MDDenver, CO 802041063490878
- Richard Byyny, MDDenver, CO 802041578517082
- Stephen Cantrill, MDDenver, CO 802041821018011
- Michael LiaoDenver, CO 802041336174101
Common questions
What is Lois Jeanne Isaksen, MD's NPI number?
Lois Jeanne Isaksen, MD's National Provider Identifier (NPI) is 1730406455, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Lois Jeanne Isaksen, MD located?
The NPPES record lists a practice address at 1545 California St, Denver, CO, 80202. Phone: (347) 325-0338. Providers update this record themselves, so call before visiting.
How can I verify Lois Jeanne Isaksen, MD's license?
NPPES lists Colorado license number DR.0067039, 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 Lois Jeanne Isaksen, MD prescribe under Medicare Part D?
In 2024, Lois Jeanne Isaksen, MD had 54 Medicare Part D claims for 37 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Lois Jeanne Isaksen, MD's MIPS final score?
The 2023 MIPS final score is 91.1 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.