Christopher Garen, MSN, FNP-C
NPI 1649033036 · Family Nurse Practitioner · Clarksville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Garen, MSN, FNP-C is a Family Nurse Practitioner provider in Clarksville, TN (NPI 1649033036).
Provider details
- NPI number
- 1649033036
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- F01241077 (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 tenure28% of score
2 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
170 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 38 | $100 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $69 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 22 | $87 |
| Urinalysis, Manual Test81002 | 21 | $3 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 37 | 36 |
| Azithromycin | 34 | 33 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 27 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 25 |
| Ibuprofen | 16 | 15 |
| Methylprednisolone | 16 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-30
- Last updated
- 2024-03-14
- Certified
- 2024-03-14
Frequently asked questions
- What is Christopher Garen's NPI number?
- Christopher Garen's National Provider Identifier (NPI) is 1649033036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Garen's specialty?
- Christopher Garen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Garen located?
- Christopher Garen's practice location on file with NPPES is 1763 Madison St, Clarksville, TN 37043-4990.
- What is Christopher Garen's phone number?
- The practice phone number listed in the NPPES registry for Christopher Garen is (931) 278-8000.
- Does Christopher Garen accept Medicare?
- Christopher Garen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Garen's NPI active?
- Yes — Christopher Garen's NPI (1649033036) is active in the NPPES registry as of the last update on 2024-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.