Timothy Zepponi, DO
NPI 1134659428 · Family Medicine Physician · Greenville, MS
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Zepponi, DO is a Family Medicine Physician provider in Greenville, MS (NPI 1134659428).
Provider details
- NPI number
- 1134659428
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 26701 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
156 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 93 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 33 | $151 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 30 | $105 |
Typical Medicare-allowed amounts for these services range $73–$151 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 341 | 79 |
| Atorvastatin Calcium | 208 | 52 |
| Pantoprazole Sodium | 191 | 53 |
| Gabapentin | 170 | 38 |
| Losartan Potassium | 155 | 41 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 144 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2017-06-19
- Last updated
- 2020-10-15
- Certified
- 2020-10-15
Frequently asked questions
- What is Timothy Zepponi's NPI number?
- Timothy Zepponi's National Provider Identifier (NPI) is 1134659428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Zepponi's specialty?
- Timothy Zepponi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Zepponi located?
- Timothy Zepponi's practice location on file with NPPES is 300 S Washington Ave, Greenville, MS 38701-4719.
- What is Timothy Zepponi's phone number?
- The practice phone number listed in the NPPES registry for Timothy Zepponi is (662) 344-9100.
- Does Timothy Zepponi accept Medicare?
- Timothy Zepponi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Zepponi's NPI active?
- Yes — Timothy Zepponi's NPI (1134659428) is active in the NPPES registry as of the last update on 2020-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.