Doctor profile · Federal record
Dr. Gregory Simpson, O.D.
Optometrist (CMS: Optometry) · Bullhead City, AZ
- NPI 1912922378
- Accepts Medicare
- MIPS 92.0 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1800 Hway 95
Bullhead City, AZ 86442
(928) 763-8443
fax (928) 763-3073 - Additional location
-
3953 N Stockton Hill RD
Kingman, AZ 864093001
(928) 757-3330
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 19, 2018
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Arizona #1542
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912922378. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
859
Distinct HCPCS
10
Medicare allowed
$71,527
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 193 | 159 | $89 | |
92014 |
Established patient complete exam of visual system | 153 | 144 | $124 | |
92134 |
Imaging of retina | 105 | 84 | $39 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 78 | 70 | $56 | |
92083 |
Exam of visual field with extended testing | 70 | 62 | $61 | |
92004 |
New patient complete exam of visual system | 65 | 65 | $147 | |
92250 |
Photography of the retina | 47 | 45 | $34 | |
92133 |
Imaging of optic nerve | 45 | 36 | $36 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 32 | 32 | $110 | |
92012 |
Established patient problem focused exam of visual system | 29 | 28 | $88 |
In context: peer comparison
Among 1 peers in Bullhead City Optometrist, average services per provider: 71. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
833
Patients
292
Total drug cost
$11,749
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 396 | 115 | $4,690 |
| Timolol Maleate | Generic | 169 | 72 | $1,583 |
| Brimonidine Tartrate | Generic | 84 | 37 | $729 |
| Prednisolone Acetate | Generic | 61 | 43 | $2,146 |
| Minocycline Hcl | Generic | 25 | 0 | $389 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 23 | 0 | $384 |
| Ofloxacin | Generic | 18 | 0 | $256 |
| Dorzolamide Hcl | Generic | 17 | 0 | $215 |
| Acetazolamide | Generic | 16 | 14 | $258 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 13 | 11 | $979 |
Frequently asked questions
What is Dr. Gregory Simpson's medical specialty?
Dr. Gregory Simpson practices Optometrist in Bullhead City, AZ.
Where does Dr. Gregory Simpson practice?
Dr. Gregory Simpson practices at 1800 Hway 95, Bullhead City, AZ 86442. Office phone: 9287638443.
What is Dr. Gregory Simpson's NPI?
Dr. Gregory Simpson's National Provider Identifier (NPI) is 1912922378, issued by NPPES.
Does Dr. Gregory Simpson accept Medicare assignment?
Yes. Dr. Gregory Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Simpson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.