Wendy Day, MD
Internal Medicine Physician · Colorado Springs, CO
Wendy Day, MD is an internal medicine physician with a practice address in Colorado Springs, Colorado, and NPI 1922074780, issued on Feb 23, 2006. Check the license (Colorado DR.0037135, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wendy Day
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0037135 CO
Self-reported in NPPES; status is on the state search - Practice location
- 595 Chapel Hills Dr Ste 325, Colorado Springs, CO 80920
- Phone
- (719) 364-5005
- Enumerated
- Feb 23, 2006
- Record last updated
- Mar 5, 2026
- Fax
- (719) 365-9911
- Medicaid ID
- 01371350 CO
- Medicare enrollment
- Enrolled (PECOS I20100222000389); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 595 Chapel Hills Dr Ste 325
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Barchuk, PA-CPhysician Assistant1457920217
- Kaitlyn ChaviraPhysician Assistant1619713864
- Meghan Grycza, PA-CPhysician Assistant1932917192
- Hannah Harrison, AUDAudiologist1639921588
- Christine Molek, M.A.Audiologist1164692042
- Jennifer Reavis, MDOtolaryngology Physician1013101146
Verify Wendy Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0037135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,191 Medicare Part D claims for 537 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 150 claims were for opioids.
Most prescribed
- Levothyroxine Sodium474 claims
- Atorvastatin Calcium409 claims
- Rosuvastatin Calcium401 claims
- Lisinopril225 claims
- Omeprazole196 claims
- Losartan Potassium175 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
- Legacy Healthcare Services IncDenver, CO
- Poudre Valley Medical Group LLCCastle Rock, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Day among 2,046 internal medicine physician records in Colorado
Wendy Day, MD 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
- Graduated1995 · median 2006 among the 1,090 with a school on file
- Record last updated2026 · 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).
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 2,046 in Colorado → Every provider in Colorado Springs → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Ammatelli, M.D.Colorado Springs, CO 809201558357764
- Karen Chang, MDColorado Springs, CO 809201134121189
- Patrick Demuth, MDColorado Springs, CO 809201730155508
- Albert Duncan, MDColorado Springs, CO 809201922074517
- Luz-Estefana Garcia, M.D.Colorado Springs, CO 809201831168095
- Gordon Golden, MDColorado Springs, CO 809201710953468
- Jack Markusfeld, M.D.Colorado Springs, CO 809201356320766
- Susan Matthews, M.D.Colorado Springs, CO 809201194705244
Common questions
What is Wendy Day, MD's NPI number?
Wendy Day, MD's National Provider Identifier (NPI) is 1922074780, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Day, MD located?
The NPPES record lists a practice address at 595 Chapel Hills Dr Ste 325, Colorado Springs, CO, 80920. Phone: (719) 364-5005. Providers update this record themselves, so call before visiting.
How can I verify Wendy Day, MD's license?
NPPES lists Colorado license number DR.0037135, 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 Wendy Day, MD prescribe under Medicare Part D?
In 2024, Wendy Day, MD had 7,191 Medicare Part D claims for 537 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.