Lex Alan Barker, PA-C

  • Sunnyside, WA
  • Physician assistant
NPI1447762000PAC ID9931441987
Medicare patients, 2024
58
Part D claims, 2024
149
Hospital affiliations
2
Medical groups
4
State license
1
Practice address
2925 Allen Rd, Sunnyside, WA 98944
Practice phone
Call (509) 837-4949
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Astria Health Center - Valley Internal Medicine

Rural Health Clinic - Hospital-Owned · Sunnyside, Washington

See all 8 affiliations

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Lex Alan Barker is a physician assistant in Sunnyside, Washington

Lex Barker practices at Astria Health Center - Valley Internal Medicine in Sunnyside, Washington.

Lex Barker's NPI, 1447762000, was assigned on November 3, 2017. Lex Barker holds Washington license PA60905843.

NPI and contact details
Medicare PAC ID
9931441987
NPI enumeration date
November 3, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(509) 837-4949
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Lex Alan Barker practices at 2 locations in Sunnyside, Washington

Lex Barker's primary practice is Astria Health Center - Valley Internal Medicine, at 2925 Allen Rd, Sunnyside, WA 98944. The practice phone is (509) 837-4949. Lex Barker also practices at Astria Health Center, 1812 E Edison Ave, Sunnyside, WA 98944.

  • Astria Health Center - Valley Internal MedicinePrimary
    2925 Allen Rd, Sunnyside, WA 98944Phone(509) 837-4949
  • Astria Health Center
    1812 E Edison Ave, Sunnyside, WA 98944 · Yakima CountyPhone(509) 837-4949

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Lex Alan Barker is affiliated with 4 sites of care and 4 medical groups

Lex Barker's primary practice is Astria Health Center - Valley Internal Medicine in Sunnyside, Washington. Lex Barker is also affiliated with Astria Sunnyside Hospital. The medical group on file is Astria Health Center - Lincoln Ave Family Medicine (OB/GYN and FM). Dmand AI also links Lex Barker to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account. Lex Barker's employer is on file too: a rural health clinic (rhc).

See all 8 affiliations for Lex Barker

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Lex Alan Barker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Lex Barker practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Astria Health Center - Valley Internal MedicineAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Lex Alan Barker is one of 3,005 physician assistants in Washington

Physician assistant is Lex Barker's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Lex Barker is licensed in Washington.

Specialties and state licenses

  • Physician assistant, WashingtonPrimaryLicense PA60905843 · taxonomy 363A00000X

Physician assistants near Lex Barker

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Lex Alan Barker treated 58 Medicare patients in 2024, average age 77

CMS counts 58 Medicare patients who saw Lex Barker in 2024. The largest group is 75 to 84, with 32 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.33, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Lex Barker's median patient age at 26, with 59% women.

Medicare patients, 202458
Average age77
Average risk score1.33

Lex Barker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Lex Barker's Medicare patients by sex, 2024

  • Women3967%
  • Men1933%

Chronic conditions among Lex Barker's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol74%
  4. Mood disorders29%
  5. Atrial fibrillation26%
  6. Depression26%
  7. Anxiety24%
  8. Cancer24%

Share of Medicare patients with each condition. A patient can have several.

Lex Barker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 26

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Lex Alan Barker wrote 149 Medicare Part D claims in 2024

In 2024, Lex Barker wrote 149 Medicare Part D claims for 79 patients. 99% of them were for generic drugs.

Part D claims, 2024149
Part D patients79

Lex Barker's Part D claims by kind of drug, 2024

  • Generic147 claims99%
  • Brand-name and other2 claims1%

Drug classes CMS tracks in Lex Barker's Part D claims, 2024

  • Opioids23%35 of 149 claims
  • Antibiotics38%57 of 149 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Lex Alan Barker takes part in Medicare

Lex Barker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Lex Alan Barker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Lex Alan Barker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Lex Alan Barker's NPI number?

Lex Alan Barker's NPI number is 1447762000. It was assigned on November 3, 2017, and it is active in the NPI Registry.

What does Lex Alan Barker specialize in?

Lex Alan Barker is a physician assistant in Sunnyside, Washington. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Lex Alan Barker practice?

Lex Barker practices at 2925 Allen Rd, Sunnyside, WA 98944. Lex Barker also practices at 1812 E Edison Ave, Sunnyside, WA 98944. Lex Barker's primary practice is Astria Health Center - Valley Internal Medicine in Sunnyside, Washington. Dmand AI also links Lex Barker to 1 hospital, 3 medical groups and 1 group practice or clinic.

What is Lex Alan Barker's office phone number?

The practice phone on file for Lex Barker is (509) 837-4949.

What is Lex Alan Barker's medical license number?

Lex Barker holds Washington license PA60905843.

Which hospitals is Lex Alan Barker affiliated with?

Lex Barker is affiliated with Astria Sunnyside Hospital. Dmand AI links Lex Barker to 1 more hospital.

What medical group is Lex Alan Barker part of?

Lex Barker is linked to Astria Health Center - Lincoln Ave Family Medicine (OB/GYN and FM). Dmand AI links Lex Barker to 3 more medical groups.

Does Lex Alan Barker accept Medicare?

Yes. CMS lists Lex Barker as accepting Medicare assignment.

How many Medicare patients does Lex Alan Barker see?

CMS counts 58 Medicare patients who saw Lex Barker in 2024, with an average age of 77.

How long has Lex Alan Barker been practicing?

Lex Barker graduated from medical school in 2018, 8 years ago.

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