Doctor profile · Federal record
Dr. Bryan Gieszl, MD
Internal Medicine Physician (CMS: Internal Medicine) · Aspen, CO
- NPI 1881644649
- Accepts Medicare
- MIPS 5.8 / 100 · 2023
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 Founders Pl Ste 109
Aspen, CO 816111476
(970) 920-0104
fax (970) 920-0124
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- November 21, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Colorado #44470
- Medicaid
- CO #57428361
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881644649. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,807
Distinct HCPCS
10
Medicare allowed
$173,978
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 631 | 361 | $129 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 204 | 164 | $91 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 152 | 152 | $19 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 115 | 115 | $19 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 113 | 113 | $130 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 108 | 91 | $180 | |
G0008 |
Administration of influenza virus vaccine | 72 | 72 | $31 | |
90662 |
Influenza vaccine split virus, preservative free | 69 | 69 | $72 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 50 | 46 | $15 | |
81002 |
Urinalysis, manual test | 44 | 41 | $3 |
In context: peer comparison
Among 4 peers in Aspen Internal Medicine Physician, average services per provider: 67. This provider delivers 27× the peer median.Open Payments
Industry payments received
All-time total
$186
Transactions
8
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 7 | $156.71 | |
| Abbvie INC. | 1 | $29.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,386
Patients
404
Total drug cost
$18,928
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 271 | 84 | $3,597 |
| Levothyroxine Sodium | Generic | 165 | 49 | $2,847 |
| Zolpidem Tartrate | Generic | 131 | 42 | $836 |
| Trazodone Hcl | Generic | 102 | 24 | $2,097 |
| Lisinopril | Generic | 81 | 26 | $593 |
| Alprazolam | Generic | 76 | 19 | $329 |
| Gabapentin | Generic | 75 | 17 | $980 |
| Amlodipine Besylate | Generic | 72 | 22 | $655 |
| Losartan Potassium | Generic | 71 | 20 | $963 |
| Escitalopram Oxalate | Generic | 65 | 18 | $1,011 |
Hospital affiliations
Frequently asked questions
What is Dr. Bryan Gieszl's medical specialty?
Dr. Bryan Gieszl practices Internal Medicine Physician in Aspen, CO.
Where does Dr. Bryan Gieszl practice?
Dr. Bryan Gieszl practices at 101 Founders Pl Ste 109, Aspen, CO 816111476. Office phone: 9709200104.
What is Dr. Bryan Gieszl's NPI?
Dr. Bryan Gieszl's National Provider Identifier (NPI) is 1881644649, issued by NPPES.
Does Dr. Bryan Gieszl accept Medicare assignment?
Yes. Dr. Bryan Gieszl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bryan Gieszl commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual alcohol misuse screening, 5 to 15 minutes (HCPCS G0442). Source: CMS Medicare Physician & Other Practitioners file.