Kristen Viera, PA-C
NPI 1225566227 · Surgical Physician Assistant · Atascadero, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Viera, PA-C is a Surgical Physician Assistant provider in Atascadero, CA (NPI 1225566227).
Provider details
- NPI number
- 1225566227
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
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 tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
784 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 372 | $80 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 124 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 91 | $113 |
| Hemoglobin A1c Level83036 | 52 | $10 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 39 | $145 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 351 | 111 |
| Levothyroxine Sodium | 281 | 79 |
| Amlodipine Besylate | 213 | 69 |
| Lisinopril | 189 | 62 |
| Losartan Potassium | 174 | 50 |
| Rosuvastatin Calcium | 129 | 51 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-02
- Last updated
- 2018-02-09
Frequently asked questions
- What is Kristen Viera's NPI number?
- Kristen Viera's National Provider Identifier (NPI) is 1225566227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Viera's specialty?
- Kristen Viera is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kristen Viera located?
- Kristen Viera's practice location on file with NPPES is 6955 El Camino Real Ste 101, Atascadero, CA 93422-4216.
- What is Kristen Viera's phone number?
- The practice phone number listed in the NPPES registry for Kristen Viera is (805) 539-2031.
- Does Kristen Viera accept Medicare?
- Kristen Viera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Viera's NPI active?
- Yes — Kristen Viera's NPI (1225566227) is active in the NPPES registry as of the last update on 2018-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.