Mehrdad Mahdad, M.D.
NPI 1225092190 · Neurology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mehrdad Mahdad, M.D. is a Neurology Physician provider in Fountain Valley, CA (NPI 1225092190).
Provider details
- NPI number
- 1225092190
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- A42941 (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
819 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 | 268 | $129 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 189 | $165 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 87 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $92 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 41 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 630 | 191 |
| Memantine Hcl | 521 | 161 |
| Gabapentin | 251 | 59 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 243 | 64 |
| Levetiracetam | 180 | 45 |
| Lorazepam | 139 | 29 |
| Propranolol Hcl | 86 | 20 |
| Pregabalin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$717 across 24 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
- 2006-04-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mehrdad Mahdad's NPI number?
- Mehrdad Mahdad's National Provider Identifier (NPI) is 1225092190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mehrdad Mahdad's specialty?
- Mehrdad Mahdad is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mehrdad Mahdad located?
- Mehrdad Mahdad's practice location on file with NPPES is 11180 Warner Ave, Fountain Valley, CA 92708-7501.
- What is Mehrdad Mahdad's phone number?
- The practice phone number listed in the NPPES registry for Mehrdad Mahdad is (714) 546-5505.
- Does Mehrdad Mahdad accept Medicare?
- Mehrdad Mahdad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mehrdad Mahdad's NPI active?
- Yes — Mehrdad Mahdad's NPI (1225092190) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.