Gagan Singh, M.D.
NPI 1881651743 · Ophthalmology Physician · Ranson, WV
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gagan Singh, M.D. is a Ophthalmology Physician provider in Ranson, WV (NPI 1881651743).
Provider details
- NPI number
- 1881651743
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21033 (WV)
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
20 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
11,207 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) |
|---|---|---|
| Measurement of Retinal and Optic Nerve Function92273 | 2,303 | $54 |
| Imaging of Retina92134 | 1,704 | $17 |
| Extended Exam Involving Color Vision Testing92283 | 1,624 | $21 |
| Established Patient Complete Exam of Visual System92014 | 690 | $114 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 625 | $23 |
| Imaging of Optic Nerve92133 | 583 | $15 |
| Ultrasound Scan to Determine Eye Length and Lens Power |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,086 | 332 |
| Timolol Maleate | 443 | 150 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 200 | 58 |
| Brimonidine Tartrate | 156 | 53 |
| Prednisolone Acetate | 83 | 50 |
| Ofloxacin | 72 | 49 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 70 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$456 across 15 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
- 2006-04-26
- Last updated
- 2007-10-19
Frequently asked questions
- What is Gagan Singh's NPI number?
- Gagan Singh's National Provider Identifier (NPI) is 1881651743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gagan Singh's specialty?
- Gagan Singh is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gagan Singh located?
- Gagan Singh's practice location on file with NPPES is 201 E 5th Ave, Ranson, WV 25438-1613.
- What is Gagan Singh's phone number?
- The practice phone number listed in the NPPES registry for Gagan Singh is (304) 725-2121.
- Does Gagan Singh accept Medicare?
- Gagan Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gagan Singh's NPI active?
- Yes — Gagan Singh's NPI (1881651743) is active in the NPPES registry as of the last update on 2007-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.