Karena Regan, P.A.
NPI 1588695480 · Physician Assistant · Tehachapi, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karena Regan, P.A. is a Physician Assistant provider in Tehachapi, CA (NPI 1588695480).
Provider details
- NPI number
- 1588695480
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA15690 (CA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
236 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 165 | $106 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 58 | $154 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 13 | $62 |
Typical Medicare-allowed amounts for these services range $62–$154 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 31 | 31 |
| Azithromycin | 29 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 28 |
| Cephalexin | 26 | 26 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 22 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | 22 |
| Cefdinir |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Karena Regan's NPI number?
- Karena Regan's National Provider Identifier (NPI) is 1588695480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karena Regan's specialty?
- Karena Regan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karena Regan located?
- Karena Regan's practice location on file with NPPES is 24421 Pueblo Ct, Tehachapi, CA 93561-9272.
- What is Karena Regan's phone number?
- The practice phone number listed in the NPPES registry for Karena Regan is (805) 448-6123.
- Does Karena Regan accept Medicare?
- Karena Regan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karena Regan's NPI active?
- Yes — Karena Regan's NPI (1588695480) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.