Mark Randolph Stephens, MD
Internal Medicine Physician · Avon, CO
Mark Randolph Stephens, MD is an internal medicine physician with a practice address in Avon, Colorado, and NPI 1407858137, issued on Aug 12, 2005. Check the license (Colorado 28631, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Randolph Stephens
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 28631 CO
Self-reported in NPPES; status is on the state search - Practice location
- 50 Buck Creek Road, Avon, CO 81620
- Phone
- (970) 926-6340
- Enumerated
- Aug 12, 2005
- Record last updated
- Feb 8, 2023
- Fax
- (970) 926-6348
- Medicaid ID
- 01283613 CO
- Medicare enrollment
- Enrolled (PECOS I20060712000004); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 50 Buck Creek Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carly Carr, LPCMental Health Counselor1437458494
- Mindy Cooper, MDInternal Medicine Physician1659301851
Verify Mark Randolph Stephens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 28631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,630 Medicare Part D claims for 386 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium279 claims
- Amlodipine Besylate198 claims
- Levothyroxine Sodium189 claims
- Losartan Potassium182 claims
- Hydrochlorothiazide170 claims
- Rosuvastatin Calcium169 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
- Colorado Mountain Medical, LLCAvon, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Randolph Stephens among 2,046 internal medicine physician records in Colorado
Mark Randolph Stephens, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1983 · median 2006 among the 1,090 with a school on file
- Record last updated2023 · 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).
5 internal medicine physician records list a practice address in Avon
They are 5 of the 161 NPPES records with a practice address in Avon, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Avon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mindy Cooper, MDAvon, CO 816201659301851
- Marshall Davis, MDAvon, CO 816201942611462
- Monica Grafals, M.D.Avon, CO 816201578622320
- Norman Numerof, M.D.Avon, CO 816201720192776
- David Borchers, MDBasalt, CO 816211376534669
- Bryan Gieszl, MDAspen, CO 816111881644649
- Paula Kadison, M.D.Aspen, CO 816111992987838
- Ann Mass, MDAspen, CO 816111598769358
Common questions
What is Mark Randolph Stephens, MD's NPI number?
Mark Randolph Stephens, MD's National Provider Identifier (NPI) is 1407858137, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Randolph Stephens, MD located?
The NPPES record lists a practice address at 50 Buck Creek Road, Avon, CO, 81620. Phone: (970) 926-6340. Providers update this record themselves, so call before visiting.
How can I verify Mark Randolph Stephens, MD's license?
NPPES lists Colorado license number 28631, 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 Mark Randolph Stephens, MD prescribe under Medicare Part D?
In 2024, Mark Randolph Stephens, MD had 3,630 Medicare Part D claims for 386 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.