Doctor profile · Federal record
Dr. Mark Stephens, MD
Internal Medicine Physician (CMS: Internal Medicine) · Avon, CO
- NPI 1407858137
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
50 Buck Creek Road, Suite 200
Avon, CO 81620
(970) 926-6340
fax (970) 926-6348 - Mailing address
-
Po Box 4330
Avon, CO 816204330
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- February 8, 2023
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Colorado #28631
- Medicaid
- CO #01283613
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407858137. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,693
Distinct HCPCS
10
Medicare allowed
$95,593
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 545 | 337 | $81 | |
36415 |
Insertion of needle into vein for collection of blood sample | 304 | 262 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 228 | 219 | $10 | |
81003 |
Automated urinalysis test | 206 | 195 | $2 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 192 | 192 | $43 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 165 | 163 | $13 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 157 | 140 | $70 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 130 | 116 | $16 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 124 | 120 | $8 | |
G0103 |
Prostate cancer screening; prostate specific antigen test (psa) | 116 | 116 | $19 |
In context: peer comparison
Among 4 peers in Avon Internal Medicine Physician, average services per provider: 88. This provider delivers 31× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,068
Patients
647
Total drug cost
$33,513
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 299 | 94 | $3,131 |
| Levothyroxine Sodium | Generic | 242 | 67 | $4,104 |
| Losartan Potassium | Generic | 182 | 60 | $2,392 |
| Hydrochlorothiazide | Generic | 173 | 61 | $1,263 |
| Amlodipine Besylate | Generic | 172 | 55 | $1,678 |
| Rosuvastatin Calcium | Generic | 172 | 56 | $3,075 |
| Lisinopril | Generic | 151 | 47 | $1,047 |
| Allopurinol | Generic | 140 | 43 | $2,313 |
| Omeprazole | Generic | 99 | 35 | $1,290 |
| Metoprolol Succinate | Generic | 96 | 27 | $1,828 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Stephens's medical specialty?
Dr. Mark Stephens practices Internal Medicine Physician in Avon, CO.
Where does Dr. Mark Stephens practice?
Dr. Mark Stephens practices at 50 Buck Creek Road, Avon, CO 81620. Office phone: 9709266340.
What is Dr. Mark Stephens's NPI?
Dr. Mark Stephens's National Provider Identifier (NPI) is 1407858137, issued by NPPES.
Does Dr. Mark Stephens accept Medicare assignment?
Yes. Dr. Mark Stephens accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Stephens commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.