Ian Patterson, MPAS, PA-C
NPI 1649861220 · Physician Assistant · Stephenville, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Patterson, MPAS, PA-C is a Physician Assistant provider in Stephenville, TX (NPI 1649861220).
Provider details
- NPI number
- 1649861220
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPAS, PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA14239 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 67 | 26 |
| Amlodipine Besylate | 64 | 24 |
| Rosuvastatin Calcium | 63 | 23 |
| Lisinopril | 60 | 23 |
| Gabapentin | 52 | 18 |
| Losartan Potassium | 44 | 12 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-01-27
- Last updated
- 2021-06-07
- Certified
- 2021-06-07
Frequently asked questions
- What is Ian Patterson's NPI number?
- Ian Patterson's National Provider Identifier (NPI) is 1649861220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Patterson's specialty?
- Ian Patterson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ian Patterson located?
- Ian Patterson's practice location on file with NPPES is 135 River North Blvd, Stephenville, TX 76401-1804.
- What is Ian Patterson's phone number?
- The practice phone number listed in the NPPES registry for Ian Patterson is (254) 965-2810.
- Does Ian Patterson accept Medicare?
- Ian Patterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Patterson's NPI active?
- Yes — Ian Patterson's NPI (1649861220) is active in the NPPES registry as of the last update on 2021-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.