Cathryn Welch, MD
NPI 1861435463 · Ophthalmology Physician · Keene, NH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathryn Welch, MD is a Ophthalmology Physician provider in Keene, NH (NPI 1861435463).
Provider details
- NPI number
- 1861435463
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 7984 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,071 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 221 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 194 | $64 |
| Photography of the Retina92250 | 116 | $20 |
| Exam of Visual Field With Extended Testing92083 | 113 | $26 |
| Established Patient Complete Exam of Visual System92014 | 95 | $73 |
| Imaging of Optic Nerve92133 | 94 | $21 |
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 | 195 | 45 |
| Brimonidine Tartrate | 59 | 19 |
| Timolol Maleate | 33 | 11 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 27 | — |
| Ketorolac Tromethamine | 25 | 22 |
| Cyclosporinebrand: Restasis | 25 | 11 |
| Bimatoprostbrand: Lumigan | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2022-02-07
- Certified
- 2022-02-07
Frequently asked questions
- What is Cathryn Welch's NPI number?
- Cathryn Welch's National Provider Identifier (NPI) is 1861435463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathryn Welch's specialty?
- Cathryn Welch is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Cathryn Welch located?
- Cathryn Welch's practice location on file with NPPES is 149 Emerald St, Keene, NH 03431.
- What is Cathryn Welch's phone number?
- The practice phone number listed in the NPPES registry for Cathryn Welch is (603) 354-6534.
- Does Cathryn Welch accept Medicare?
- Cathryn Welch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathryn Welch's NPI active?
- Yes — Cathryn Welch's NPI (1861435463) is active in the NPPES registry as of the last update on 2022-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.