Darius Zagunis, M.D.
NPI 1174542286 · Interventional Pain Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darius Zagunis, M.D. is a Interventional Pain Medicine Physician provider in San Antonio, TX (NPI 1174542286).
Provider details
- NPI number
- 1174542286
- Entity type
- Individual
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- M3802 (TX)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
698 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 | 226 | $122 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 86 | $14 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 76 | $276 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 64 | $87 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Each Additional Level64484 | 50 | $111 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodium | 100 | 50 |
| Methylprednisolone | 42 | 37 |
| Gabapentin | 27 | 13 |
| Duloxetine Hcl | 17 | — |
| Pregabalin | 17 | — |
| Buprenorphine Hclbrand: Belbuca | 16 | — |
| Buprenorphine | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$478 across 16 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
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Darius Zagunis's NPI number?
- Darius Zagunis's National Provider Identifier (NPI) is 1174542286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darius Zagunis's specialty?
- Darius Zagunis is listed in the NPPES registry with a primary specialty of Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Darius Zagunis located?
- Darius Zagunis's practice location on file with NPPES is 3903 Wiseman Blvd Ste 117, San Antonio, TX 78251-4402.
- What is Darius Zagunis's phone number?
- The practice phone number listed in the NPPES registry for Darius Zagunis is (210) 861-5461.
- Does Darius Zagunis accept Medicare?
- Darius Zagunis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darius Zagunis's NPI active?
- Yes — Darius Zagunis's NPI (1174542286) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.