Mark T. Fahlen, MD, Inc. A Professional Medical Corporation
NPI 1659537264ActiveOrganization· Internal Medicine, Nephrology· Modesto, CA
Internal Medicine, Nephrology in Modesto, California, registered in NPPES in August 2008. The authorized official on file is Mark Theodore Fahlen, M.D., President. Enrolled in Medicare as part b supplier - clinic/group practice.
Overview
| NPI | 1659537264 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Aug 3, 2008 |
| Last updated in NPPES | Aug 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A81212 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Part B Supplier - Clinic/Group Practice (CA) |
|---|
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