Lindsey Underdown, APRN, NP
NPI 1376315457 · Family Nurse Practitioner · Granbury, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lindsey Underdown, APRN, NP is a Family Nurse Practitioner provider in Granbury, TX (NPI 1376315457).
Provider details
- NPI number
- 1376315457
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, NP
- Sex
- Female
- Sole proprietor
- No
- License
- 1139012 (TX)
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 tenure25% of score
2 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
113 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 | 43 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $74 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 16 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $105 |
Typical Medicare-allowed amounts for these services range $9–$105 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 30 | 18 |
| Gabapentin | 29 | 15 |
| Rosuvastatin Calcium | 25 | 13 |
| Amlodipine Besylate | 24 | 12 |
| Atorvastatin Calcium | 22 | 12 |
| Hydrochlorothiazide | 19 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,012 across 50 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
Registry dates
- Enumerated
- 2023-10-23
- Last updated
- 2023-12-18
- Certified
- 2023-12-18
Frequently asked questions
- What is Lindsey Underdown's NPI number?
- Lindsey Underdown's National Provider Identifier (NPI) is 1376315457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lindsey Underdown's specialty?
- Lindsey Underdown is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lindsey Underdown located?
- Lindsey Underdown's practice location on file with NPPES is 4320 Rhea Rd, Granbury, TX 76049-7045.
- What is Lindsey Underdown's phone number?
- The practice phone number listed in the NPPES registry for Lindsey Underdown is (480) 236-1871.
- Does Lindsey Underdown accept Medicare?
- Lindsey Underdown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lindsey Underdown's NPI active?
- Yes — Lindsey Underdown's NPI (1376315457) is active in the NPPES registry as of the last update on 2023-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.