Caleb Barker, PA-C
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 3,100
- Hospital affiliations
- 5
- Industry payments
- $105
- Medical groups
- 2
- Practice address
- 619 North Main Street, Muskogee, OK 74401
- Practice phone
- Call (918) 682-8407
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Green Country Behavioral Health Services
Outpatient Addiction Treatment · Muskogee, Oklahoma
Find Caleb Barker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Caleb Barker is a physician assistant in Muskogee, Oklahoma
Caleb Barker practices at Green Country Behavioral Health Services in Muskogee, Oklahoma.
Caleb Barker's NPI, 1891346532, was assigned on September 24, 2019. Caleb Barker graduated from University of Oklahoma College of Medicine in 2021. Caleb Barker holds Oklahoma license 4726.
- NPI
- 1891346532NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214320555
- NPI enumeration date
- September 24, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (918) 682-8407
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Caleb Barker practices at Green Country Behavioral Health Services in Muskogee, Oklahoma
Caleb Barker's primary practice is Green Country Behavioral Health Services, at 619 North Main Street, Muskogee, OK 74401. The practice phone is (918) 682-8407.
- Green Country Behavioral Health Services619 North Main Street, Muskogee, OK 74401Phone(918) 682-8407
Source: Dmand AI Affiliation Data
Caleb Barker is affiliated with 7 sites of care and 2 medical groups
Caleb Barker's primary practice is Green Country Behavioral Health Services in Muskogee, Oklahoma. Caleb Barker is also affiliated with Hillcrest Medical Center. The medical group on file is Utica Park Clinic. Dmand AI also links Caleb Barker to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Caleb Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Caleb Barker practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Green Country Behavioral Health Services | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Caleb Barker is one of 1,545 physician assistants in Oklahoma
Physician assistant is Caleb Barker's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Caleb Barker is licensed in Oklahoma.
Specialties and state licenses
- Physician assistant, OklahomaPrimary
Physician assistants near Caleb 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
Caleb Barker treated 26 Medicare patients in 2024, average age 63
CMS counts 26 Medicare patients who saw Caleb Barker in 2024. The largest group is under 65, with 13 patients. 73% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Caleb Barker's median patient age at 65, with 29% women.
Caleb Barker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Caleb Barker's Medicare patients by sex, 2024
- Women1454%
- Men1246%
Chronic conditions among Caleb Barker's Medicare patients, 2024
- High cholesterol73%
- High blood pressure69%
- Arthritis54%
- Mood disorders54%
- Anxiety46%
- Depression42%
Share of Medicare patients with each condition. A patient can have several.
Caleb 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 65
Patient panel by sex, all payers
- Women29%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Caleb Barker wrote 3,100 Medicare Part D claims in 2024
In 2024, Caleb Barker wrote 3,100 Medicare Part D claims for 235 patients. 83% of them were for generic drugs.
Caleb Barker's Part D claims by kind of drug, 2024
- Generic2,574 claims83%
- Brand-name506 claims16%
- Other20 claims1%
Drug classes CMS tracks in Caleb Barker's Part D claims, 2024
- Opioids2%60 of 3,100 claims
- Antibiotics4%118 of 3,100 claims
- Antipsychotics, patients 65 and over1%23 of 3,100 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
Caleb Barker offers telehealth to Medicare patients
Caleb Barker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Caleb Barker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Caleb Barker received $105 in industry payments in 2025
CMS Open Payments shows 5 general payments to Caleb Barker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $81.
Companies that paid Caleb Barker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Caleb Barker graduated from University of Oklahoma College of Medicine
Caleb Barker graduated from University of Oklahoma College of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Caleb Barker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Caleb 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 Caleb Barker's NPI number?
Caleb Barker's NPI number is 1891346532. It was assigned on September 24, 2019, and it is active in the NPI Registry.
What does Caleb Barker specialize in?
Caleb Barker is a physician assistant in Muskogee, Oklahoma. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Caleb Barker practice?
Caleb Barker practices at 619 North Main Street, Muskogee, OK 74401. Caleb Barker's primary practice is Green Country Behavioral Health Services in Muskogee, Oklahoma. Dmand AI also links Caleb Barker to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Caleb Barker's office phone number?
The practice phone on file for Caleb Barker is (918) 682-8407.
What is Caleb Barker's medical license number?
Caleb Barker holds Oklahoma license 4726, one of 2 state licenses on file.
Which hospitals is Caleb Barker affiliated with?
Caleb Barker is affiliated with Hillcrest Medical Center. Dmand AI links Caleb Barker to 4 more hospitals.
What medical group is Caleb Barker part of?
Caleb Barker is linked to Utica Park Clinic. Dmand AI links Caleb Barker to 1 more medical group.
Does Caleb Barker accept Medicare?
Yes. CMS lists Caleb Barker as accepting Medicare assignment.
Does Caleb Barker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Caleb Barker as offering telehealth services.
How many Medicare patients does Caleb Barker see?
CMS counts 26 Medicare patients who saw Caleb Barker in 2024, with an average age of 63.
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Where did Caleb Barker go to medical school?
Caleb Barker graduated from University of Oklahoma College of Medicine in 2021.
Has Caleb Barker received payments from drug or device companies?
CMS Open Payments shows $105 in general payments to Caleb Barker from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Caleb Barker been practicing?
Caleb Barker graduated from medical school in 2021, 5 years ago.
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