Derek Welsbie, MD, PHD
NPI 1588869945 · Ophthalmology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Welsbie, MD, PHD is a Ophthalmology Physician provider in Baltimore, MD (NPI 1588869945).
Provider details
- NPI number
- 1588869945
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 21986 (MD)
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
619 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 | 530 | $137 |
| Exam of the Internal Drainage System of Eye92020 | 46 | $30 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 30 | $12 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $177 |
Typical Medicare-allowed amounts for these services range $12–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 242 | 91 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 79 | 30 |
| Netarsudil Mesylatebrand: Rhopressa | 61 | 24 |
| Timolol Maleate | 35 | 15 |
| Prednisolone Acetate | 33 | 17 |
| Brimonidine Tartrate | 28 | — |
| Brinzolamide/Brimonidine Tartbrand: Simbrinza | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 1 record (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
- 2007-06-17
- Last updated
- 2013-02-20
Frequently asked questions
- What is Derek Welsbie's NPI number?
- Derek Welsbie's National Provider Identifier (NPI) is 1588869945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Welsbie's specialty?
- Derek Welsbie is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Welsbie located?
- Derek Welsbie's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Derek Welsbie's phone number?
- The practice phone number listed in the NPPES registry for Derek Welsbie is (410) 614-1342.
- Does Derek Welsbie accept Medicare?
- Derek Welsbie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Welsbie's NPI active?
- Yes — Derek Welsbie's NPI (1588869945) is active in the NPPES registry as of the last update on 2013-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.