Doctor profile · Federal record
Dr. Gregg Koldenhoven, MD
Orthopaedic Foot and Ankle Surgery Physician (CMS: Orthopedic Surgery) · Adult Reconstructive Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Longmont, CO
- NPI 1396740411
- Accepts Medicare
- MIPS 88.6 / 100 · 2023
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1610 Dry Creek Dr
Longmont, CO 805036405
(303) 772-1600
fax (970) 493-0521 - Additional location
-
13559 Huron St Ste 201
Westminster, CO 802341163
fax (303) 772-9317 - Additional location
-
300 Exempla Cir Ste 200
Lafayette, CO 800263391
fax (303) 772-9317 - Mailing address
-
2500 E Prospect RD
Fort Collins, CO 805259718
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- February 5, 2026
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207XX0004X — NUCC code
- State licenses (2)
- Colorado #DR.0039636 · Colorado #DR0039636
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396740411. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,073
Distinct HCPCS
10
Medicare allowed
$80,587
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 305 | 203 | $91 | |
73630 |
X-ray of foot, minimum of 3 views | 181 | 122 | $36 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 144 | 110 | $128 | |
73610 |
X-ray of ankle, minimum of 3 views | 90 | 60 | $39 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 83 | 68 | $57 | |
73562 |
X-ray of knee, 3 views | 80 | 50 | $42 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 60 | 60 | $111 | |
73721 |
Mri scan of leg joint without contrast | 30 | 26 | $153 | |
73502 |
X-ray of hip, 2-3 views | 28 | 21 | $45 | |
J1040 |
Injection, methylprednisolone acetate, 80 mg | 28 | 23 | $12 |
In context: peer comparison
Among 1 peers in Longmont Orthopaedic Foot and Ankle Surgery Physician, average services per provider: 82. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$421
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Paragon 28, INC. | 3 | $356.08 | |
| Smith+Nephew, INC. | 1 | $27.87 | |
| Stryker Corporation | 1 | $18.55 | |
| DePuy Synthes Sales INC. | 1 | $18.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
213
Patients
137
Total drug cost
$8,359
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Meloxicam | Generic | 72 | 58 | $266 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 40 | 33 | $280 |
| Prednisone | Generic | 23 | 21 | $97 |
| Tramadol Hcl | Generic | 22 | 14 | $42 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 0 | $70 |
| Cyclobenzaprine Hcl | Generic | 11 | 0 | $45 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $7,388 |
| Methylprednisolone | Generic | 11 | 11 | $84 |
| Oxycodone Hcl | Generic | 11 | 0 | $87 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregg Koldenhoven's medical specialty?
Dr. Gregg Koldenhoven practices Orthopaedic Foot and Ankle Surgery Physician in Longmont, CO.
Where does Dr. Gregg Koldenhoven practice?
Dr. Gregg Koldenhoven practices at 1610 Dry Creek Dr, Longmont, CO 805036405. Office phone: 3037721600.
What is Dr. Gregg Koldenhoven's NPI?
Dr. Gregg Koldenhoven's National Provider Identifier (NPI) is 1396740411, issued by NPPES.
Does Dr. Gregg Koldenhoven accept Medicare assignment?
Yes. Dr. Gregg Koldenhoven accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Koldenhoven commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of foot, minimum of 3 views (HCPCS 73630); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.