Carla Siegfried, MD
NPI 1457379133 · Glaucoma Specialist (Ophthalmology) Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carla Siegfried, MD is a Glaucoma Specialist (Ophthalmology) Physician provider in Saint Louis, MO (NPI 1457379133).
Provider details
- NPI number
- 1457379133
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- R7N83 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,346 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Exam of Visual Field With Extended Testing92083 | 522 | $60 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 481 | $123 |
| Imaging of Optic Nerve92133 | 332 | $32 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 212 | $87 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 138 | $16 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,488 | 397 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 832 | 243 |
| Brimonidine Tartrate | 594 | 179 |
| Dorzolamide Hcl | 503 | 161 |
| Prednisolone Acetate | 333 | 173 |
| Timolol Maleate | 317 | 119 |
| Bimatoprostbrand: Lumigan | 186 | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is Carla Siegfried's NPI number?
- Carla Siegfried's National Provider Identifier (NPI) is 1457379133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carla Siegfried's specialty?
- Carla Siegfried is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Carla Siegfried located?
- Carla Siegfried's practice location on file with NPPES is 4901 Forest Park Ave Fl 6, Saint Louis, MO 63108-1402.
- What is Carla Siegfried's phone number?
- The practice phone number listed in the NPPES registry for Carla Siegfried is (314) 362-3937.
- Does Carla Siegfried accept Medicare?
- Carla Siegfried is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carla Siegfried's NPI active?
- Yes — Carla Siegfried's NPI (1457379133) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.