Olivia Book, DO
NPI 1225667942 · Hospitalist Physician · Sun City West, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Book, DO is a Hospitalist Physician provider in Sun City West, AZ (NPI 1225667942).
Provider details
- NPI number
- 1225667942
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 010229 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
831 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 488 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 183 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 54 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 53 | $125 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 53 | $165 |
Typical Medicare-allowed amounts for these services range $74–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 24 | 24 |
| Atorvastatin Calcium | 22 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 21 |
| Furosemide | 18 | 18 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 13 | 13 |
| Azithromycin | 12 | 12 |
| Ciprofloxacin Hcl | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-04
- Last updated
- 2023-06-14
- Certified
- 2023-06-14
Frequently asked questions
- What is Olivia Book's NPI number?
- Olivia Book's National Provider Identifier (NPI) is 1225667942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Book's specialty?
- Olivia Book is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Olivia Book located?
- Olivia Book's practice location on file with NPPES is 14502 W Meeker Blvd, Sun City West, AZ 85375-5282.
- What is Olivia Book's phone number?
- The practice phone number listed in the NPPES registry for Olivia Book is (623) 524-8814.
- Does Olivia Book accept Medicare?
- Olivia Book is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Book's NPI active?
- Yes — Olivia Book's NPI (1225667942) is active in the NPPES registry as of the last update on 2023-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.