Spencer Ludlow, M.D.
NPI 1114078797 · Ophthalmology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Ludlow, M.D. is a Ophthalmology Physician provider in Columbia, SC (NPI 1114078797).
Provider details
- NPI number
- 1114078797
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 24632 (NE)
Specialties & taxonomies
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
1,171 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 406 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 228 | $87 |
| Exam of Visual Field With Extended Testing92083 | 115 | $61 |
| Imaging of Optic Nerve92133 | 110 | $33 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 96 | $160 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 491 | 120 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 285 | 69 |
| Timolol Maleate | 281 | 71 |
| Brimonidine Tartrate | 75 | 23 |
| Dorzolamide Hcl | 61 | 16 |
| Doxycycline Monohydrate | 58 | 19 |
| Bimatoprostbrand: Lumigan | 52 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 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
- 2007-01-12
- Last updated
- 2010-08-03
Frequently asked questions
- What is Spencer Ludlow's NPI number?
- Spencer Ludlow's National Provider Identifier (NPI) is 1114078797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Ludlow's specialty?
- Spencer Ludlow is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Ludlow located?
- Spencer Ludlow's practice location on file with NPPES is 4500 Stuart St, Columbia, SC 29207-5700.
- What is Spencer Ludlow's phone number?
- The practice phone number listed in the NPPES registry for Spencer Ludlow is (240) 441-3599.
- Does Spencer Ludlow accept Medicare?
- Spencer Ludlow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Ludlow's NPI active?
- Yes — Spencer Ludlow's NPI (1114078797) is active in the NPPES registry as of the last update on 2010-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.