Doctor profile · Federal record
Dr. John Marshall, O.D.
Optometrist (CMS: Optometry) · Big Spring, TX
- NPI 1295754000
- Accepts Medicare
- 47 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2311 Scurry St
Big Spring, TX 797205552
(432) 263-2501
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- September 3, 2010
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Texas #2618TG
- Medicaid
- TX #0201691-01
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295754000. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
360
Distinct HCPCS
6
Medicare allowed
$36,183
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 126 | 125 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 107 | 74 | $87 | |
92012 |
Established patient problem focused exam of visual system | 71 | 68 | $86 | |
92083 |
Exam of visual field with extended testing | 20 | 17 | $60 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 18 | 13 | $95 | |
92004 |
New patient complete exam of visual system | 18 | 18 | $144 |
In context: peer comparison
Among 2 peers in Big Spring Optometrist, average services per provider: 73. This provider delivers 4.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
254
Patients
38
Total drug cost
$15,381
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 145 | 27 | $2,760 |
| Timolol Maleate | Generic | 54 | 11 | $708 |
| Lumigan (Bimatoprost) | Brand | 22 | 0 | $8,968 |
| Brimonidine Tartrate | Generic | 19 | 0 | $2,089 |
| Dorzolamide Hcl | Generic | 14 | 0 | $857 |
Frequently asked questions
What is Dr. John Marshall's medical specialty?
Dr. John Marshall practices Optometrist in Big Spring, TX.
Where does Dr. John Marshall practice?
Dr. John Marshall practices at 2311 Scurry St, Big Spring, TX 797205552. Office phone: 4322632501.
What is Dr. John Marshall's NPI?
Dr. John Marshall's National Provider Identifier (NPI) is 1295754000, issued by NPPES.
Does Dr. John Marshall accept Medicare assignment?
Yes. Dr. John Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Marshall commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.