Zachary Castle, D.O.
NPI 1619388774 · Family Medicine Physician · Plano, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Castle, D.O. is a Family Medicine Physician provider in Plano, TX (NPI 1619388774).
Provider details
- NPI number
- 1619388774
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- R1711 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
355 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $87 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 49 | $124 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 44 | $18 |
| Administration of Influenza Virus VaccineG0008 | 18 | $29 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 92 | 31 |
| Amlodipine Besylate | 86 | 30 |
| Losartan Potassium | 60 | 22 |
| Levothyroxine Sodium | 58 | 23 |
| Rosuvastatin Calcium | 58 | 20 |
| Metformin Hcl | 39 | 18 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,169 across 55 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)
- 3415 N Loop 250 W Bldg 4Midland, TX 79707-6034Phone: (432) 221-3300Fax: (432) 221-3313
Registry dates
- Enumerated
- 2014-05-12
- Last updated
- 2025-12-16
- Certified
- 2025-12-16
Frequently asked questions
- What is Zachary Castle's NPI number?
- Zachary Castle's National Provider Identifier (NPI) is 1619388774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Castle's specialty?
- Zachary Castle is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Castle located?
- Zachary Castle's practice location on file with NPPES is 5655 W Spring Creek Pkwy Ste 200, Plano, TX 75024.
- What is Zachary Castle's phone number?
- The practice phone number listed in the NPPES registry for Zachary Castle is (972) 599-9600.
- Does Zachary Castle accept Medicare?
- Zachary Castle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Castle's NPI active?
- Yes — Zachary Castle's NPI (1619388774) is active in the NPPES registry as of the last update on 2025-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.