Ian Lewis Patterson, MPAS, PA-C
Physician Assistant · Stephenville, TX
Ian Lewis Patterson, MPAS, PA-C is a physician assistant with a practice address in Stephenville, Texas, and NPI 1649861220, issued on Jan 27, 2021. Check the license (Texas PA14239, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ian Lewis Patterson
- Credential
- MPAS, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA14239 TX
Self-reported in NPPES; status is on the state search - Practice location
- 135 River North Blvd, Stephenville, TX 76401
- Phone
- (254) 965-2810
- Enumerated
- Jan 27, 2021
- Record last updated
- Jun 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251001002868); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 135 River North Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ian Lewis Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA14239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average physician assistant in 2024
1,315 Medicare Part D claims for 96 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium67 claims
- Amlodipine Besylate64 claims
- Rosuvastatin Calcium63 claims
- Lisinopril60 claims
- Gabapentin52 claims
- Losartan Potassium44 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $26.82
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cross Timbers Health Clinics, IncDe Leon, TX
- Salud Family HealthFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Lewis Patterson among 10,999 physician assistant records in Texas
Ian Lewis Patterson, MPAS, PA-C is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 69% of them.
- NPI issued2021 · 69% of these records are older, 26% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2020 · median 2017 among the 6,096 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 physician assistant records list a practice address in Stephenville
They are 11 of the 410 NPPES records with a practice address in Stephenville, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Stephenville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- D'Aun Bowers, PAStephenville, TX 764011376568642
- Joshua Carswell, PAStephenville, TX 764011528383858
- Peter Corta, P.A.Stephenville, TX 764011285687129
- Whitney GarlandStephenville, TX 764011457911935
- Emily Lansmon, PAStephenville, TX 764011275226706
- Mark Mishak, PAStephenville, TX 764011114573144
- Marc Saldivar, PA-CStephenville, TX 764011710233366
- Julie Smith, PA-CStephenville, TX 764011851984041
Common questions
What is Ian Lewis Patterson, MPAS, PA-C's NPI number?
Ian Lewis Patterson, MPAS, PA-C's National Provider Identifier (NPI) is 1649861220, issued on Jan 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ian Lewis Patterson, MPAS, PA-C located?
The NPPES record lists a practice address at 135 River North Blvd, Stephenville, TX, 76401. Phone: (254) 965-2810. Providers update this record themselves, so call before visiting.
How can I verify Ian Lewis Patterson, MPAS, PA-C's license?
NPPES lists Texas license number PA14239, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Ian Lewis Patterson, MPAS, PA-C prescribe under Medicare Part D?
In 2024, Ian Lewis Patterson, MPAS, PA-C had 1,315 Medicare Part D claims for 96 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.