Karsyn Stark, APRN-CNS
NPI 1699370346 · Family Nurse Practitioner · Bastrop, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karsyn Stark, APRN-CNS is a Family Nurse Practitioner provider in Bastrop, TX (NPI 1699370346).
Provider details
- NPI number
- 1699370346
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1007985 (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
5 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
1,187 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 261 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 199 | $101 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 130 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 123 | $105 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 120 | $15 |
| Advance Care Planning, First 30 Minutes99497 | 110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 222 | 65 |
| Rosuvastatin Calcium | 218 | 80 |
| Amlodipine Besylate | 179 | 57 |
| Atorvastatin Calcium | 156 | 56 |
| Lisinopril | 147 | 46 |
| Methylprednisolone | 136 | 114 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,476 across 73 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
- 2020-12-01
- Last updated
- 2021-08-17
- Certified
- 2021-08-17
Frequently asked questions
- What is Karsyn Stark's NPI number?
- Karsyn Stark's National Provider Identifier (NPI) is 1699370346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karsyn Stark's specialty?
- Karsyn Stark is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karsyn Stark located?
- Karsyn Stark's practice location on file with NPPES is 3101 Highway 71 E Ste 101, Bastrop, TX 78602-5159.
- What is Karsyn Stark's phone number?
- The practice phone number listed in the NPPES registry for Karsyn Stark is (512) 301-0300.
- Does Karsyn Stark accept Medicare?
- Karsyn Stark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karsyn Stark's NPI active?
- Yes — Karsyn Stark's NPI (1699370346) is active in the NPPES registry as of the last update on 2021-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.