Tammy Greenhill, FNP
NPI 1689946857 · Family Nurse Practitioner · Fort Campbell, KY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Greenhill, FNP is a Family Nurse Practitioner provider in Fort Campbell, KY (NPI 1689946857).
Provider details
- NPI number
- 1689946857
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- APN0000015881 (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
14 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
991 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 | 420 | $85 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 139 | $11 |
| Assessment of Emotional Or Behavioral Problems96127 | 122 | $4 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 71 | $12 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $74 |
| Automated Urinalysis Test81003 | 31 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 316 | 73 |
| Levothyroxine Sodium | 257 | 54 |
| Lisinopril | 216 | 56 |
| Omeprazole | 175 | 44 |
| Amlodipine Besylate | 162 | 42 |
| Metformin Hcl | 140 | 35 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$185 across 11 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
- 2012-02-03
- Last updated
- 2025-01-17
- Certified
- 2025-01-17
Frequently asked questions
- What is Tammy Greenhill's NPI number?
- Tammy Greenhill's National Provider Identifier (NPI) is 1689946857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Greenhill's specialty?
- Tammy Greenhill is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Greenhill located?
- Tammy Greenhill's practice location on file with NPPES is 650 Joel Dr, Fort Campbell, KY 42223-5318.
- What is Tammy Greenhill's phone number?
- The practice phone number listed in the NPPES registry for Tammy Greenhill is (270) 798-8400.
- Does Tammy Greenhill accept Medicare?
- Tammy Greenhill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Greenhill's NPI active?
- Yes — Tammy Greenhill's NPI (1689946857) is active in the NPPES registry as of the last update on 2025-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.