Chad Griffin, M.D.
NPI 1659311702 · Family Medicine Physician · Sparta, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chad Griffin, M.D. is a Family Medicine Physician provider in Sparta, TN (NPI 1659311702).
Provider details
- NPI number
- 1659311702
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD0000028253 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
2,178 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 487 | $57 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 333 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 231 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 | $82 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 164 | $118 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 187 | 59 |
| Losartan Potassium | 171 | 56 |
| Atorvastatin Calcium | 150 | 43 |
| Rosuvastatin Calcium | 121 | 37 |
| Lisinopril | 111 | 34 |
| Levothyroxine Sodium | 111 | 36 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2010-01-12
Frequently asked questions
- What is Chad Griffin's NPI number?
- Chad Griffin's National Provider Identifier (NPI) is 1659311702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chad Griffin's specialty?
- Chad Griffin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chad Griffin located?
- Chad Griffin's practice location on file with NPPES is 433 Sewell Dr, Sparta, TN 38583-1223.
- What is Chad Griffin's phone number?
- The practice phone number listed in the NPPES registry for Chad Griffin is (931) 739-3000.
- Does Chad Griffin accept Medicare?
- Chad Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chad Griffin's NPI active?
- Yes — Chad Griffin's NPI (1659311702) is active in the NPPES registry as of the last update on 2010-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.