Mark Douglas Fritzler, MD
NPI 1508862871ActiveIndividual· Urology· Chico, CA
Urology (MD) in Chico, California, trained at Baylor College of Medicine (class of 1987). 167 Medicare patients in 2024, $48,542 paid; nearly all of their 421 Part D prescriptions were generic (95%). Astellas Pharma US Inc was the largest of 2 companies reporting payments in 2025, $213.87 in all, mostly food and beverage.
Overview
| NPI | 1508862871 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 22, 2005 |
| Last updated in NPPES | Mar 26, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | G60227 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 598 across 61 procedure codes |
| Paid by Medicare | $48,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 421 · 1,069 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $28,009 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Urology |
Medical group
- Enloe Medical CenterChico, CA · 333 clinicians
Hospital affiliation
- Enloe HealthChico, CA
Industry payments (Open Payments)
- 2025$213.87 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $114.89 | 1 |
| Sumitomo Pharma America, Inc. | $98.98 | 1 |
What the 2025 payments were for
- Food and Beverage$213.87 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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