Guy Teran, M.D.
NPI 1013992452ActiveIndividual· Internal Medicine· Ukiah, CA
Internal Medicine (M.D.) in Ukiah, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $874,960 for 11,709 claims, against $10,829 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $223.74 in all, mostly food and beverage.
Overview
| NPI | 1013992452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 8, 2005 |
| Last updated in NPPES | Apr 22, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A53014 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 337 across 13 procedure codes |
| Paid by Medicare | $10,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,709 · 21,980 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $874,960 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
Medical group
- Mendocino Community Health Clinic IncUkiah, CA · 59 clinicians
Hospital affiliations
- Adventist Health Howard MemorialWillits, CA
- Adventist Health Ukiah ValleyUkiah, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Willits, CA
- Silverline Staff Home HealthHome health agency · Fremont, CA
- Redwood Cove Healthcare CenterNursing home · Ukiah, CA
- Ukiah Post AcuteNursing home · Ukiah, CA
Industry payments (Open Payments)
- 2025$223.74 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $114.53 | 1 |
| Lilly USA, LLC | $109.21 | 1 |
What the 2025 payments were for
- Food and Beverage$223.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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