Philip Custer, MD
NPI 1538187968 · Ophthalmology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Custer, MD is a Ophthalmology Physician provider in Saint Louis, MO (NPI 1538187968).
Provider details
- NPI number
- 1538187968
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R9697 (MO)
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
532 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 119 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 71 | $123 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 56 | $107 |
| Full Thickness Skin Graft to Nose, Ears, Eyelids, Or Lips, 20.0 Sq Cm Or Less15260 | 33 | $761 |
| Injection of Chemical for Paralysis of Nerve Muscles on Side of Face |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 300 | 198 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 76 | 74 |
| Bacitracin/Polymyxin B Sulfatebrand: Bacitracin-Polymyxin | 52 | 33 |
| Doxycycline Hyclate | 25 | 18 |
| Ondansetron Hcl | 18 | 18 |
| Oxycodone Hcl | 18 | 17 |
| Ofloxacin | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$332 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
- 2006-07-17
- Last updated
- 2025-04-17
- Certified
- 2022-06-07
Frequently asked questions
- What is Philip Custer's NPI number?
- Philip Custer's National Provider Identifier (NPI) is 1538187968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Custer's specialty?
- Philip Custer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Custer located?
- Philip Custer's practice location on file with NPPES is 4901 Forest Park Ave, Saint Louis, MO 63108-1495.
- What is Philip Custer's phone number?
- The practice phone number listed in the NPPES registry for Philip Custer is (314) 362-3937.
- Does Philip Custer accept Medicare?
- Philip Custer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Custer's NPI active?
- Yes — Philip Custer's NPI (1538187968) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.