Clarissa Mccullar, NP
NPI 1689624439 · Family Nurse Practitioner · Oak Ridge, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clarissa Mccullar, NP is a Family Nurse Practitioner provider in Oak Ridge, TN (NPI 1689624439).
Provider details
- NPI number
- 1689624439
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 7012 (TN)
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
20 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
2,093 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) |
|---|---|---|
| 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 | 496 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 361 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 320 | $71 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 109 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 108 | $11 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
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 |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 147 | 86 |
| Gabapentin | 143 | 50 |
| Fluticasone Propionate | 133 | 58 |
| Prednisone | 123 | 92 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 114 | 42 |
| Omeprazole | 102 | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$593 across 38 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
- 2006-05-11
- Last updated
- 2013-03-19
Frequently asked questions
- What is Clarissa Mccullar's NPI number?
- Clarissa Mccullar's National Provider Identifier (NPI) is 1689624439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarissa Mccullar's specialty?
- Clarissa Mccullar is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Clarissa Mccullar located?
- Clarissa Mccullar's practice location on file with NPPES is 801 Oak Ridge Tpke, Oak Ridge, TN 37830-6916.
- What is Clarissa Mccullar's phone number?
- The practice phone number listed in the NPPES registry for Clarissa Mccullar is (865) 483-3172.
- Does Clarissa Mccullar accept Medicare?
- Clarissa Mccullar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clarissa Mccullar's NPI active?
- Yes — Clarissa Mccullar's NPI (1689624439) is active in the NPPES registry as of the last update on 2013-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.