Reza Mahrou, M.D.
NPI 1255376810 · Pain Medicine (Anesthesiology) Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reza Mahrou, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Irvine, CA (NPI 1255376810).
Provider details
- NPI number
- 1255376810
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A76865 (CA)
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
20 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
1,587 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 | 398 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 241 | $88 |
| Anesthesia for Nerve Block and Injection Procedure, Prone Position01992 | 198 | $109 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 159 | $12 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 123 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
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 |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 464 | 67 |
| Gabapentin | 266 | 78 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 178 | 34 |
| Tizanidine Hcl | 166 | 43 |
| Tramadol Hcl | 160 | 38 |
| Oxycodone Hcl | 151 | 44 |
| Pregabalin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$256 across 4 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
- 2006-06-18
- Last updated
- 2012-02-29
Frequently asked questions
- What is Reza Mahrou's NPI number?
- Reza Mahrou's National Provider Identifier (NPI) is 1255376810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reza Mahrou's specialty?
- Reza Mahrou is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Reza Mahrou located?
- Reza Mahrou's practice location on file with NPPES is 113 Waterworks Way, Irvine, CA 92618-3167.
- What is Reza Mahrou's phone number?
- The practice phone number listed in the NPPES registry for Reza Mahrou is (949) 872-2400.
- Does Reza Mahrou accept Medicare?
- Reza Mahrou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reza Mahrou's NPI active?
- Yes — Reza Mahrou's NPI (1255376810) is active in the NPPES registry as of the last update on 2012-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.