Charlotte Shackelford, PAC
NPI 1366601015 · Physician Assistant · Purcell, OK
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlotte Shackelford, PAC is a Physician Assistant provider in Purcell, OK (NPI 1366601015).
Provider details
- NPI number
- 1366601015
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 746 (OK)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,408 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 613 | $78 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 148 | $5 |
| Hemoglobin A1c Level83036 | 101 | $9 |
| Advance Care Planning, First 30 Minutes99497 | 92 | $38 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 90 | $11 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 401 | 169 |
| Amlodipine Besylate | 369 | 143 |
| Levothyroxine Sodium | 327 | 134 |
| Gabapentin | 203 | 78 |
| Losartan Potassium | 189 | 79 |
| Lisinopril | 173 | 67 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,799 across 108 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
- 2008-06-07
- Last updated
- 2011-07-18
Frequently asked questions
- What is Charlotte Shackelford's NPI number?
- Charlotte Shackelford's National Provider Identifier (NPI) is 1366601015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlotte Shackelford's specialty?
- Charlotte Shackelford is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Charlotte Shackelford located?
- Charlotte Shackelford's practice location on file with NPPES is 1401 N 4th Ave, Purcell, OK 73080-1806.
- What is Charlotte Shackelford's phone number?
- The practice phone number listed in the NPPES registry for Charlotte Shackelford is (405) 527-5400.
- Does Charlotte Shackelford accept Medicare?
- Charlotte Shackelford is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlotte Shackelford's NPI active?
- Yes — Charlotte Shackelford's NPI (1366601015) is active in the NPPES registry as of the last update on 2011-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.