Zinnia Daas, DO
NPI 1649775016 · Hospitalist Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zinnia Daas, DO is a Hospitalist Physician provider in Phoenix, AZ (NPI 1649775016).
Provider details
- NPI number
- 1649775016
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 009009 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
195 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 88 | $162 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $72 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $142 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 12 | $125 |
| Critical Care, First 30-74 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 87 | 27 |
| Levothyroxine Sodium | 52 | 23 |
| Losartan Potassium | 43 | 15 |
| Gabapentin | 38 | 13 |
| Alendronate Sodium | 37 | 11 |
| Amlodipine Besylate | 30 | 14 |
| Lisinopril | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$613 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3595 Olentangy River RdColumbus, OH 43214-3440Phone: (614) 566-5456
Registry dates
- Enumerated
- 2018-03-28
- Last updated
- 2022-11-10
- Certified
- 2022-11-10
Frequently asked questions
- What is Zinnia Daas's NPI number?
- Zinnia Daas's National Provider Identifier (NPI) is 1649775016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zinnia Daas's specialty?
- Zinnia Daas is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Zinnia Daas located?
- Zinnia Daas's practice location on file with NPPES is 20224 N 27th Ave Ste 101, Phoenix, AZ 85027-3257.
- What is Zinnia Daas's phone number?
- The practice phone number listed in the NPPES registry for Zinnia Daas is (623) 587-6002.
- Does Zinnia Daas accept Medicare?
- Zinnia Daas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zinnia Daas's NPI active?
- Yes — Zinnia Daas's NPI (1649775016) is active in the NPPES registry as of the last update on 2022-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.