Doctor profile · Federal record
Dr. Charles McMahon, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Colorado Springs, CO
- NPI 1639168735
- Accepts Medicare
- 53 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3245 International Cir Ste 102
Colorado Springs, CO 809103152
(719) 633-8000
fax (719) 434-8855 - Mailing address
-
Po Box 280
Colorado Springs, CO 809010280
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Colorado #DR.0018837
- Medicaid
- CO #9000142156
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639168735. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
577
Distinct HCPCS
8
Medicare allowed
$58,423
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 213 | 111 | $129 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 124 | 81 | $91 | |
92250 |
Photography of the retina | 81 | 66 | $38 | |
92134 |
Imaging of retina | 56 | 26 | $41 | |
92133 |
Imaging of optic nerve | 36 | 34 | $37 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 32 | 32 | $113 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 20 | 13 | $339 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $168 |
In context: peer comparison
Among 17 peers in Colorado Springs Ophthalmology Physician, average services per provider: 416. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$44
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $29.56 | |
| Thea Pharma INC. | 1 | $13.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
415
Patients
121
Total drug cost
$59,898
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Brimonidine Tartrate | Generic | 166 | 70 | $2,664 |
| Latanoprost | Generic | 67 | 15 | $1,365 |
| Dorzolamide Hcl | Generic | 51 | 13 | $1,085 |
| Lumigan (Bimatoprost) | Brand | 43 | 11 | $23,070 |
| Rocklatan (Netarsudil Mesylat/Latanoprost) | Brand | 30 | 0 | $14,515 |
| Prednisolone Acetate | Generic | 22 | 12 | $1,057 |
| Restasis (Cyclosporine) | Brand | 13 | 0 | $10,219 |
| Zioptan (Tafluprost/Pf) | Brand | 12 | 0 | $5,212 |
| Pilocarpine Hcl | Generic | 11 | 0 | $710 |
Frequently asked questions
What is Dr. Charles McMahon's medical specialty?
Dr. Charles McMahon practices Ophthalmology Physician in Colorado Springs, CO.
Where does Dr. Charles McMahon practice?
Dr. Charles McMahon practices at 3245 International Cir Ste 102, Colorado Springs, CO 809103152. Office phone: 7196338000.
What is Dr. Charles McMahon's NPI?
Dr. Charles McMahon's National Provider Identifier (NPI) is 1639168735, issued by NPPES.
Does Dr. Charles McMahon accept Medicare assignment?
Yes. Dr. Charles McMahon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles McMahon 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); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.