Caleb Barker, PA-C
NPI 1891346532 · Physician Assistant · Muskogee, OK
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caleb Barker, PA-C is a Physician Assistant provider in Muskogee, OK (NPI 1891346532).
Provider details
- NPI number
- 1891346532
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% 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 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 124 | 38 |
| Atorvastatin Calcium | 120 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 94 | 28 |
| Levothyroxine Sodium | 89 | 21 |
| Gabapentin | 87 | 21 |
| Cyclobenzaprine Hcl | 78 | 21 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$162 across 9 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
- 2019-09-24
- Last updated
- 2022-01-25
- Certified
- 2022-01-13
Frequently asked questions
- What is Caleb Barker's NPI number?
- Caleb Barker's National Provider Identifier (NPI) is 1891346532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caleb Barker's specialty?
- Caleb Barker is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caleb Barker located?
- Caleb Barker's practice location on file with NPPES is 201 N 32nd St, Muskogee, OK 74401-2104.
- What is Caleb Barker's phone number?
- The practice phone number listed in the NPPES registry for Caleb Barker is (918) 912-2333.
- Does Caleb Barker accept Medicare?
- Caleb Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caleb Barker's NPI active?
- Yes — Caleb Barker's NPI (1891346532) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.