Saud Iqbal Ahmed, M.D.
NPI 1558507962ActiveIndividual· Internal Medicine, Infectious Disease· Oklahoma City, OK
Internal Medicine, Infectious Disease (M.D.) with Crescent Infectious Diseases PLLC, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $459,549 for 984 claims, against $200,579 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $167.83 in all, mostly food and beverage. Lists Norman Regional and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1558507962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 7, 2009 |
| Last updated in NPPES | Jan 16, 2025 |
| Certified by provider | Jan 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 29704 | OK |
| Internal Medicine, Infectious Disease | 207RI0200X | 41939 | AZ |
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 - Infectious Disease (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 761 |
|---|---|
| Services billed | 46,442 across 27 procedure codes |
| Paid by Medicare | $200,579 |
Part D prescriptions in 2024
| Prescriptions (claims) | 984 · 1,204 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $459,549 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Infectious Disease |
Medical group
- Crescent Infectious Diseases PLLCOklahoma City, OK · 7 clinicians
Hospital affiliations
- Norman RegionalNorman, OK
- Oklahoma Heart Hospital South, LLCOklahoma City, OK
- Ssm Health St Anthony Hospital - MidwestMidwest City, OK
- Ssm Health St Anthony Hospital - Oklahoma CityOklahoma City, OK
- Ssm Health St Anthony Hospital - ShawneeShawnee, OK
Other facilities
- Golden Age Home HealthHome health agency · Oklahoma City, OK
- Ssm Health at Home Home Health - OklahomaHome health agency · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$167.83 · 8 payments from 2 companies
- 2024$144.26 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $117.10 | 6 |
| Insmed, Inc. | $50.73 | 2 |
What the 2025 payments were for
- Food and Beverage$167.83 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Infectious Disease providers in Oklahoma →