Derrick Duffield, M. D.
NPI 1922166867 · Family Medicine Physician · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derrick Duffield, M. D. is a Family Medicine Physician provider in Hattiesburg, MS (NPI 1922166867).
Provider details
- NPI number
- 1922166867
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 15467 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
3,149 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 701 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 439 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 366 | $81 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus87502 | 229 | $92 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 203 | $49 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 200 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 419 | 321 |
| Fluticasone Propionate | 240 | 192 |
| Famotidine | 198 | 164 |
| Doxycycline Monohydrate | 174 | 143 |
| Ondansetronbrand: Ondansetron Odt | 113 | 98 |
| Cefuroxime Axetilbrand: Cefuroxime | 69 | 62 |
| Cefdinir | 65 | 64 |
| Mupirocin | 57 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2020-08-11
- Certified
- 2020-08-11
Frequently asked questions
- What is Derrick Duffield's NPI number?
- Derrick Duffield's National Provider Identifier (NPI) is 1922166867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Duffield's specialty?
- Derrick Duffield is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick Duffield located?
- Derrick Duffield's practice location on file with NPPES is 105 Thornhill Dr, Hattiesburg, MS 39402-1548.
- What is Derrick Duffield's phone number?
- The practice phone number listed in the NPPES registry for Derrick Duffield is (601) 261-3737.
- Does Derrick Duffield accept Medicare?
- Derrick Duffield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derrick Duffield's NPI active?
- Yes — Derrick Duffield's NPI (1922166867) is active in the NPPES registry as of the last update on 2020-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.