Srinivasan Ramanuja, M.D.
NPI 1720184849ActiveIndividual· Allergy & Immunology· Mankato, MN
Allergy & Immunology (M.D.) in Mankato, Minnesota, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,441,035 for 1,032 claims, against $208,665 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 12 companies reporting payments in 2025, $15,352 in all, mostly speaking and faculty fees.
Overview
| NPI | 1720184849 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 16, 2006 |
| Last updated in NPPES | Jul 15, 2020 |
| Certified by provider | Jul 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 49842 | MN |
| Allergy & Immunology | 207K00000X | A88016 | CA |
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 - Allergy/Immunology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 7,158 across 31 procedure codes |
| Paid by Medicare | $208,665 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,032 · 1,650 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $1,441,035 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical group
- Mankato Clinic LtdMankato, MN · 242 clinicians
Industry payments (Open Payments)
- 2025$15,352 · 33 payments from 12 companies
- 2024$260.91 · 17 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $15,097 | 19 |
| Ars Pharmaceuticals Operations, Inc. | $49.36 | 3 |
| Ionis Pharmaceuticals, Inc. | $40.15 | 2 |
| Cycle Pharmaceuticals Inc | $24.10 | 1 |
| Optinose US, Inc. | $23.52 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13,650 · 6 payments
- Travel and Lodging$1,075 · 5 payments
- Food and Beverage$601.32 · 21 payments
- Education$25.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other allergists in Mankato
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