Doctor profile · Federal record
Dr. Callia Twigg, O.D
Optometrist (CMS: Optometry) · Severna Park, MD
- NPI 1598441172
- Accepts Medicare
- 3 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
489 Ritchie Hwy Ste 200
Severna Park, MD 211462955
(410) 975-0090 - Mailing address
-
489 Ritchie Hwy, Suite 200
Severna Park, MD 21146
Credentials & registration
- NPI registered
- June 2023 — 3 yrs on file
- Profile last updated
- November 4, 2024
- Year of graduation
- 2023 — 3 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Maryland #TA2927
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598441172. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
79
Distinct HCPCS
4
Medicare allowed
$4,234
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
76514 |
Ultrasound scan of cornea to determine thickness | 43 | 34 | $12 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 12 | $134 | |
92134 |
Imaging of retina | 12 | 11 | $42 | |
92014 |
Established patient complete exam of visual system | 11 | 11 | $133 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 19. This provider delivers 4.2× the peer median.Open Payments
Industry payments received
All-time total
$30
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| RxSight Inc | 1 | $29.79 |
By nature of payment
Frequently asked questions
What is Dr. Callia Twigg's medical specialty?
Dr. Callia Twigg practices Optometrist in Severna Park, MD.
Where does Dr. Callia Twigg practice?
Dr. Callia Twigg practices at 489 Ritchie Hwy Ste 200, Severna Park, MD 211462955. Office phone: 4109750090.
What is Dr. Callia Twigg's NPI?
Dr. Callia Twigg's National Provider Identifier (NPI) is 1598441172, issued by NPPES.
Does Dr. Callia Twigg accept Medicare assignment?
Yes. Dr. Callia Twigg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Callia Twigg commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound scan of cornea to determine thickness (HCPCS 76514); Established patient office or other outpatient visit (HCPCS 99214); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.