Cynthia Claudine Griggs, M.D.
NPI 1154421774ActiveIndividual· Internal Medicine, Nephrology· Detroit, MI
Internal Medicine, Nephrology (M.D.) in Detroit, Michigan, trained at Wayne State University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $50,892 for 758 claims, against $30,356 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $565.64 in all, mostly food and beverage.
Overview
| NPI | 1154421774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 24, 2006 |
| Last updated in NPPES | Mar 19, 2025 |
| Certified by provider | Mar 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 4301061868 | MI |
| Internal Medicine | 207R00000X | 4301061868 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 323 across 12 procedure codes |
| Paid by Medicare | $30,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 758 · 1,050 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $50,892 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Medical group
- Cc Griggs Holding, Ltd.Detroit, MI · 2 clinicians
Hospital affiliations
- Beaumont Hospital Royal OakRoyal Oak, MI
- Harper University HospitalDetroit, MI
- Sinai-Grace HospitalDetroit, MI
Other facilities
- Hope Home Health Care Services, LLCHome health agency · Southfield, MI
Industry payments (Open Payments)
- 2025$565.64 · 29 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $283.93 | 16 |
| Bayer Healthcare Pharmaceuticals Inc. | $157.42 | 6 |
| Sumitomo Pharma America, Inc. | $39.68 | 2 |
| Lilly USA, LLC | $31.54 | 2 |
| Exact Sciences Corporation | $22.01 | 1 |
What the 2025 payments were for
- Food and Beverage$565.64 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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