Jennifer Duncan
NPI 1649647256 · Family Nurse Practitioner · Gulfport, MS
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Duncan is a Family Nurse Practitioner provider in Gulfport, MS (NPI 1649647256).
Provider details
- NPI number
- 1649647256
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- APO8725 (LA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
172 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 | 83 | $100 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $71 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $88 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 17 | $16 |
Typical Medicare-allowed amounts for these services range $16–$129 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 146 | 139 |
| Doxycycline Hyclate | 74 | 71 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 54 | 54 |
| Azithromycin | 49 | 47 |
| Mupirocin | 34 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 30 |
| Promethazine Hcl | 26 | 25 |
Practice location
Mailing address
Additional practice locations (2)
- 73015 Highway 25 Ste aCovington, LA 70435-5694Phone: (985) 400-5370Fax: (985) 400-5041
- 12000 Highway 57Vancleave, MS 39565-8235Phone: (228) 283-5045Fax: (228) 283-5041
Registry dates
- Enumerated
- 2015-08-31
- Last updated
- 2026-06-06
- Certified
- 2026-06-06
Frequently asked questions
- What is Jennifer Duncan's NPI number?
- Jennifer Duncan's National Provider Identifier (NPI) is 1649647256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Duncan's specialty?
- Jennifer Duncan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Duncan located?
- Jennifer Duncan's practice location on file with NPPES is 15200 Community Rd, Gulfport, MS 39503-3085.
- What is Jennifer Duncan's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Duncan is (228) 575-7120.
- Does Jennifer Duncan accept Medicare?
- Jennifer Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Duncan's NPI active?
- Yes — Jennifer Duncan's NPI (1649647256) is active in the NPPES registry as of the last update on 2026-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.