Lance E. Barker, D.O.
Internal Medicine Physician · Fort Collins, CO
Lance E. Barker, D.O. is an internal medicine physician with a practice address in Fort Collins, Colorado, and NPI 1518050301, issued on Oct 2, 2006. Check the license (Colorado DR45061, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lance E. Barker
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR45061 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1106 E Prospect RD Ste 100, Fort Collins, CO 80525
- Phone
- (970) 495-7410
- Enumerated
- Oct 2, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (970) 495-7425
- Medicaid ID
- 39687261 CO
- Medicare enrollment
- Enrolled (PECOS I20070103000291); accepts Medicare assignment
- 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 1106 E Prospect RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taysa Bowers, DOFamily Medicine Physician1407316409
- Daniel Edmondson, MDFamily Medicine Physician1457813636
- Max HarrisFamily Medicine Physician1790349181
Verify Lance E. Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR45061Check 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
7,397 Medicare Part D claims for 621 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 320 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium371 claims
- Levothyroxine Sodium361 claims
- Atorvastatin Calcium354 claims
- Amlodipine Besylate306 claims
- Lisinopril305 claims
- Omeprazole220 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 one group practice
- Poudre Valley Medical Group LLCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lance E. Barker among 2,046 internal medicine physician records in Colorado
Lance E. Barker, D.O. 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
- Graduated1997 · median 2006 among the 1,090 with a school on file
- Record last updated2022 · 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.
All 2,046 in Colorado → Every provider in Fort Collins → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cephus Daniel Allin, MDFort Collins, CO 805251255806394
- Masumi Arakane Mancero, MDFort Collins, CO 805251356781959
- Amanda Bowden, MDFort Collins, CO 805251194221457
- Jaime Dennehy, M.D.Fort Collins, CO 805251750760005
- Jay Dennehy, M.D.Fort Collins, CO 805251669851911
- Xavier Herrera, MDFort Collins, CO 805251912994526
- Erin Koenig, M.D.Fort Collins, CO 805251619339116
- Elizabeth Michell, M.D.Fort Collins, CO 805251528407749
Common questions
What is Lance E. Barker, D.O.'s NPI number?
Lance E. Barker, D.O.'s National Provider Identifier (NPI) is 1518050301, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lance E. Barker, D.O. located?
The NPPES record lists a practice address at 1106 E Prospect RD Ste 100, Fort Collins, CO, 80525. Phone: (970) 495-7410. Providers update this record themselves, so call before visiting.
How can I verify Lance E. Barker, D.O.'s license?
NPPES lists Colorado license number DR45061, 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 Lance E. Barker, D.O. prescribe under Medicare Part D?
In 2024, Lance E. Barker, D.O. had 7,397 Medicare Part D claims for 621 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.