John Allen Garrison, D.O.
NPI 1902284870ActiveIndividual· Internal Medicine· Henderson, NV
Internal Medicine (D.O.) with Nv Pacs 2 LLC and 5 other groups, practicing in Henderson, Nevada. In 2024 Medicare paid $320,637 for 565 patients, and Part D covered 318 of their prescriptions, 80% of them generic. Kerecis Limited was the largest of 9 companies reporting payments in 2025, $3,295 in all, mostly food and beverage. Lists Henderson Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1902284870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 12, 2015 |
| Last updated in NPPES | Sep 16, 2026 |
| Certified by provider | Sep 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | DO2406 | NV |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 565 |
|---|---|
| Services billed | 3,537 across 53 procedure codes |
| Paid by Medicare | $320,637 |
Part D prescriptions in 2024
| Prescriptions (claims) | 318 · 422 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $25,226 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Nv Pacs 2 LLCClinton, NY · 122 clinicians
- Nevada Acute Medical Services-Scherr 1 PCLas Vegas, NV · 73 clinicians
- Nevada Post-Acute Medical Services-Scherr 1 P.CLas Vegas, NV · 18 clinicians
- Cs Pacs 3 West LLCPhoenix, AZ · 12 clinicians
- Garrison Medical Consultants PLLCHenderson, NV · 2 clinicians
- Mana Medical ShliferHenderson, NV · 2 clinicians
Hospital affiliations
- Henderson HospitalHenderson, NV
- North Vista HospitalNorth Las Vegas, NV
- Valley Hospital Medical CenterLas Vegas, NV
- West Henderson HospitalHenderson, NV
Other facilities
- Care First Home Health CareHome health agency · Las Vegas, NV
- Lorian HealthHome health agency · Las Vegas, NV
- Pam Specialty Hospital of Las Vegas, LLCLong-term care hospital · Las Vegas, NV
Industry payments (Open Payments)
- 2025$3,295 · 57 payments from 9 companies
- 2024$1,528 · 29 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kerecis Limited | $1,148 | 10 |
| Solventum Corporation | $991.27 | 23 |
| Mimedx Group, Inc. | $707.08 | 12 |
| Sk Life Science, Inc. | $152.45 | 4 |
| Abbvie Inc. | $124.17 | 1 |
What the 2025 payments were for
- Food and Beverage$1,640 · 49 payments
- Travel and Lodging$1,337 · 7 payments
- Education$316.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 260 internal medicine physicians in Henderson · All internal medicine physicians in Nevada