Kristine Arthur, MD
NPI 1003010950 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristine Arthur, MD is a Internal Medicine Physician provider in Fountain Valley, CA (NPI 1003010950).
Provider details
- NPI number
- 1003010950
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A95013 (CA)
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
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
202 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 117 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 62 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $93 |
Typical Medicare-allowed amounts for these services range $6–$127 (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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 187 | 81 |
| Levothyroxine Sodium | 139 | 59 |
| Losartan Potassium | 88 | 43 |
| Omeprazole | 75 | 34 |
| Lisinopril | 75 | 41 |
| Amlodipine Besylate | 71 | 38 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2011-03-30
Frequently asked questions
- What is Kristine Arthur's NPI number?
- Kristine Arthur's National Provider Identifier (NPI) is 1003010950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristine Arthur's specialty?
- Kristine Arthur is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kristine Arthur located?
- Kristine Arthur's practice location on file with NPPES is 11420 Warner Ave, Fountain Valley, CA 92708-2529.
- What is Kristine Arthur's phone number?
- The practice phone number listed in the NPPES registry for Kristine Arthur is (714) 549-1300.
- Does Kristine Arthur accept Medicare?
- Kristine Arthur is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristine Arthur's NPI active?
- Yes — Kristine Arthur's NPI (1003010950) is active in the NPPES registry as of the last update on 2011-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.