Christina Gaby, FNP
NPI 1790401313 · Family Nurse Practitioner · Greeneville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Gaby, FNP is a Family Nurse Practitioner provider in Greeneville, TN (NPI 1790401313).
Provider details
- NPI number
- 1790401313
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 32734 (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
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,187 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 | 230 | $99 |
| 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 | 146 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 122 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 98 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 96 | $71 |
| 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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 78 | 23 |
| Prednisone | 69 | 56 |
| Lisinopril | 66 | 25 |
| Methylprednisolone | 59 | 56 |
| Levothyroxine Sodium | 54 | 20 |
| Amlodipine Besylate | 53 | 17 |
| Furosemide | 49 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$777 across 64 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
Additional practice locations (1)
- 4571 Ottway RdGreeneville, TN 37745-8622Phone: (423) 552-0584
Registry dates
- Enumerated
- 2022-10-14
- Last updated
- 2023-02-23
- Certified
- 2023-02-23
Frequently asked questions
- What is Christina Gaby's NPI number?
- Christina Gaby's National Provider Identifier (NPI) is 1790401313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Gaby's specialty?
- Christina Gaby is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Gaby located?
- Christina Gaby's practice location on file with NPPES is 555 Justis Dr, Greeneville, TN 37745-4288.
- What is Christina Gaby's phone number?
- The practice phone number listed in the NPPES registry for Christina Gaby is (423) 783-7965.
- Does Christina Gaby accept Medicare?
- Christina Gaby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Gaby's NPI active?
- Yes — Christina Gaby's NPI (1790401313) is active in the NPPES registry as of the last update on 2023-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.