Diana Sebastian, MS, APRN, FNP-C
NPI 1316402555 · Family Nurse Practitioner · Lewisville, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Sebastian, MS, APRN, FNP-C is a Family Nurse Practitioner provider in Lewisville, TX (NPI 1316402555).
Provider details
- NPI number
- 1316402555
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, APRN, FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP140396 (TX)
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 tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
38 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $108 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 13 | $9 |
Typical Medicare-allowed amounts for these services range $9–$108 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 79 | 42 |
| Amlodipine Besylate | 48 | 27 |
| Lisinopril | 47 | 23 |
| Levothyroxine Sodium | 44 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 41 | 18 |
| Metformin Hclbrand: Metformin Hcl Er | 38 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$214 across 12 records (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
Additional practice locations (1)
- 5613 Suncrest DrFlower Mound, TX 75028-3995Phone: (803) 389-3685
Registry dates
- Enumerated
- 2019-02-01
- Last updated
- 2020-03-12
- Certified
- 2020-03-12
Frequently asked questions
- What is Diana Sebastian's NPI number?
- Diana Sebastian's National Provider Identifier (NPI) is 1316402555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Sebastian's specialty?
- Diana Sebastian is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Sebastian located?
- Diana Sebastian's practice location on file with NPPES is 571 W Main St Ste 120, Lewisville, TX 75057.
- What is Diana Sebastian's phone number?
- The practice phone number listed in the NPPES registry for Diana Sebastian is (972) 436-7531.
- Does Diana Sebastian accept Medicare?
- Diana Sebastian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Sebastian's NPI active?
- Yes — Diana Sebastian's NPI (1316402555) is active in the NPPES registry as of the last update on 2020-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.