Karissa Arca, M.D.
NPI 1235526955 · Neurology Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karissa Arca, M.D. is a Neurology Physician provider in Scottsdale, AZ (NPI 1235526955).
Provider details
- NPI number
- 1235526955
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 51896 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
599 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) |
|---|---|---|
| Testing of Autonomic (sympathetic) Nervous System Function95923 | 177 | $118 |
| Evaluation of Heart Function Using Tilt Table93660 | 176 | $156 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 105 | $174 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 84 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $118 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Midodrine Hcl | 38 | 11 |
| Pyridostigmine Bromide | 37 | 16 |
| Immun Glob G(igg)/Pro/Iga 0-50brand: Privigen | 20 | — |
| Pregabalin | 15 | — |
| Lacosamide | 13 | — |
| Fludrocortisone Acetate | 13 | — |
| Ubrogepantbrand: Ubrelvy | 12 | — |
| Droxidopa |
Practice location
Mailing address
Additional practice locations (1)
- 3042 W Queen Creek RdChandler, AZ 85248-2815Phone: (520) 796-2600Fax: (602) 528-1255
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2024-10-28
- Certified
- 2024-10-28
Frequently asked questions
- What is Karissa Arca's NPI number?
- Karissa Arca's National Provider Identifier (NPI) is 1235526955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karissa Arca's specialty?
- Karissa Arca is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Karissa Arca located?
- Karissa Arca's practice location on file with NPPES is 13400 E Shea Blvd, Scottsdale, AZ 85259.
- What is Karissa Arca's phone number?
- The practice phone number listed in the NPPES registry for Karissa Arca is (480) 301-8000.
- Does Karissa Arca accept Medicare?
- Karissa Arca is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karissa Arca's NPI active?
- Yes — Karissa Arca's NPI (1235526955) is active in the NPPES registry as of the last update on 2024-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.