Joel Isaac Barthelow, M.D.
NPI 1013974625ActiveIndividual· Ophthalmology· Chico, CA
Ophthalmology (M.D.) in Chico, California, trained at University of California, Davis School of Medicine (class of 2002). In 2024 Medicare paid $977,888 for 1,681 patients, and Part D covered 1,185 of their prescriptions, 67% of them generic. Optos, Inc. was the largest of 13 companies reporting payments in 2025, $7,442 in all, mostly speaking and faculty fees.
Overview
| NPI | 1013974625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Sep 2, 2022 |
| Certified by provider | Sep 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A94358 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,681 |
|---|---|
| Services billed | 9,227 across 48 procedure codes |
| Paid by Medicare | $977,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,185 · 1,672 30-day fills |
|---|---|
| Patients | 458 |
| Total drug cost | $107,320 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Ophthalmology |
Medical group
- Ridge Eye Care IncChico, CA · 20 clinicians
Industry payments (Open Payments)
- 2025$7,442 · 28 payments from 13 companies
- 2024$3,053 · 65 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Optos, Inc. | $4,233 | 2 |
| Alcon Vision LLC | $1,654 | 10 |
| Alcon Research LLC | $833.97 | 1 |
| Sight Sciences, Inc. | $314.87 | 5 |
| Carl Zeiss Meditec USA, Inc. | $142.56 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,233 · 2 payments
- Food and Beverage$1,627 · 23 payments
- Travel and Lodging$1,582 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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