Karen Elizabeth Chang, MD
Internal Medicine Physician · Colorado Springs, CO
Karen Elizabeth Chang, MD is an internal medicine physician with a practice address in Colorado Springs, Colorado, and NPI 1134121189, issued on Aug 10, 2005. Check the license (Colorado DR-49665, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Elizabeth Chang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DR-49665 CO
ME0074258 FL
Self-reported in NPPES; status is on the state search - Practice location
- 8890 N Union Blvd, Colorado Springs, CO 80920
- Phone
- (719) 572-5005
- Enumerated
- Aug 10, 2005
- Record last updated
- Apr 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (719) 572-5551
- Medicaid IDs
- 04839871 CO
255227200 FL - Medicare enrollment
- Enrolled (PECOS I20110718000699); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 8890 N Union Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole AntoshBehavior Technician1831017078
- Lisa Baron, M.D.Family Medicine Physician1821070152
- Matthew Burton, DDSDentist1336112853
- Karen Childs, MDPediatrics Physician1912952631
- Marilyn Dippold, N.P.Nurse Practitioner1831198613
- John Kim, MDPediatrics Physician1548310584
Verify Karen Elizabeth Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR-49665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average internal medicine physician in 2024
4,107 Medicare Part D claims for 404 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium352 claims
- Rosuvastatin Calcium284 claims
- Levothyroxine Sodium277 claims
- Losartan Potassium142 claims
- Amlodipine Besylate140 claims
- Omeprazole115 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.
Bills Medicare through 2 group practices
- Poudre Valley Medical Group LLCBroomfield, CO
- Select Physical Therapy OF Colorado Springs LPColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
169 internal medicine physician records list a practice address in Colorado Springs
They are 169 of the 19,771 NPPES records with a practice address in Colorado Springs, and 2,046 internal medicine physician records in Colorado.
All 169 in Colorado Springs → All 2,046 in Colorado → Every provider in Colorado Springs →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Karen Elizabeth Chang, MD's NPI number?
Karen Elizabeth Chang, MD's National Provider Identifier (NPI) is 1134121189, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen Elizabeth Chang, MD located?
The NPPES record lists a practice address at 8890 N Union Blvd, Colorado Springs, CO, 80920. Phone: (719) 572-5005. Providers update this record themselves, so call before visiting.
How can I verify Karen Elizabeth Chang, MD's license?
NPPES lists Colorado license number DR-49665, 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 Karen Elizabeth Chang, MD prescribe under Medicare Part D?
In 2024, Karen Elizabeth Chang, MD had 4,107 Medicare Part D claims for 404 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.