Zachary Prather, M.D.
NPI 1609139500 · Family Medicine Physician · Casa Grande, AZ
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Prather, M.D. is a Family Medicine Physician provider in Casa Grande, AZ (NPI 1609139500).
Provider details
- NPI number
- 1609139500
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 48765 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
14 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
818 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 | 491 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 101 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 89 | $166 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 56 | $74 |
| Critical Care, First 30-74 Minutes99291 | 40 | $205 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 27 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 33 | 33 |
| Cefdinir | 29 | 29 |
| Furosemide | 21 | 21 |
| Oxycodone Hcl | 16 | 16 |
| Amlodipine Besylate | 15 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | 14 |
| Pantoprazole Sodium | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-17
- Last updated
- 2019-08-26
Frequently asked questions
- What is Zachary Prather's NPI number?
- Zachary Prather's National Provider Identifier (NPI) is 1609139500, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Prather's specialty?
- Zachary Prather is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Prather located?
- Zachary Prather's practice location on file with NPPES is 1800 E. Florence Blvd., Casa Grande, AZ 85122.
- What is Zachary Prather's phone number?
- The practice phone number listed in the NPPES registry for Zachary Prather is (480) 543-2034.
- Does Zachary Prather accept Medicare?
- Zachary Prather is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Prather's NPI active?
- Yes — Zachary Prather's NPI (1609139500) is active in the NPPES registry as of the last update on 2019-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.