Sireesha Nallu
NPI 1912451337ActiveIndividual· Family Medicine· Cottonwood, AZ
Family Medicine with Northern Arizona Healthcare Corporation, practicing in Cottonwood, Arizona. Their prescriptions cost Medicare Part D more than their services did: $140,457 for 2,027 claims, against $24,392 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $462.18 in all, mostly food and beverage. Lists Flagstaff Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1912451337 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 15, 2016 |
| Last updated in NPPES | Nov 4, 2024 |
| Certified by provider | Nov 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 72894 | AZ |
| Family Medicine | 207Q00000X | 301413 | NY |
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 - Family Practice (AZ); Practitioner - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 489 across 29 procedure codes |
| Paid by Medicare | $24,392 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,027 · 4,565 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $140,457 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Northern Arizona Healthcare CorporationFlagstaff, AZ · 385 clinicians
Hospital affiliations
- Flagstaff Medical CenterFlagstaff, AZ
- Verde Valley Medical CenterCottonwood, AZ
- Yavapai Regional Medical CenterPrescott, AZ
Other facilities
- Angels Care Home Health of ArizonaHome health agency · Cottonwood, AZ
- Northern Arizona Home HealthHome health agency · Cottonwood, AZ
Industry payments (Open Payments)
- 2025$462.18 · 20 payments from 6 companies
- 2024$55.80 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $189.81 | 7 |
| Exact Sciences Corporation | $101.04 | 5 |
| Pfizer Inc. | $62.47 | 3 |
| Astellas Pharma US Inc | $48.29 | 2 |
| Lilly USA, LLC | $43.50 | 2 |
What the 2025 payments were for
- Food and Beverage$462.18 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 family medicine physicians in Cottonwood · All family medicine physicians in Arizona