Chrystal Michelle Griffis, M.D.
NPI 1033379706ActiveIndividual· Internal Medicine· Mobile, AL
Internal Medicine (M.D.) in Mobile, Alabama, trained at University of South Alabama College of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $720,180 for 9,167 claims, against $89,698 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 13 companies reporting payments in 2025, $939.39 in all, mostly food and beverage.
Overview
| NPI | 1033379706 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2008 |
| Last updated in NPPES | Oct 25, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 30373 | AL |
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 Practitioner - Internal Medicine (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 3,273 across 87 procedure codes |
| Paid by Medicare | $89,698 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,167 · 20,551 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $720,180 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of South Alabama College of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
Medical group
- University of South Alabama Health Care AuthorityMobile, AL · 67 clinicians
Hospital affiliations
- USA Health Children's & Women's HospitalMobile, AL
- USA Health HCA Providence Hospital, LLCMobile, AL
- USA Health University HospitalMobile, AL
Industry payments (Open Payments)
- 2025$939.39 · 57 payments from 13 companies
- 2024$832.31 · 45 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $277.94 | 12 |
| Amgen Inc. | $199.26 | 19 |
| Bayer Healthcare Pharmaceuticals Inc. | $102.29 | 6 |
| Glaxosmithkline, LLC. | $86.25 | 4 |
| Astrazeneca Pharmaceuticals LP | $51.72 | 3 |
What the 2025 payments were for
- Food and Beverage$939.39 · 57 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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