Doctor profile · Federal record

Dr. Ahmad Riad Ramadan, M.D.

Neurocritical Care Physician (CMS: Neurology) · Neurology Physician · Neurology Physician · Orange, CA

  • NPI 1164738910
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-8888
Additional location
2799 W Grand Blvd, Henry Ford Hospital
Detroit, MI 482022608
(313) 452-2063
Mailing address
200 S Manchester Ave
Orange, CA 928683217

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
October 27, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084A2900X — NUCC code
State licenses (2)
California #C201158 · Michigan #430 109 7070

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164738910. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
1
Medicare allowed
$19,074
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 88 46 $217

In context: peer comparison

Among 5 peers in Orange Neurocritical Care Physician, average services per provider: 40. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$88
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $68.00
Csl Behring 1 $20.00

By nature of payment

Food and Beverage
$68
Education
$20

Frequently asked questions

Auto-generated from federal data
What is Dr. Ahmad Riad Ramadan's medical specialty?
Dr. Ahmad Riad Ramadan practices Neurocritical Care Physician in Orange, CA.
Where does Dr. Ahmad Riad Ramadan practice?
Dr. Ahmad Riad Ramadan practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144568888.
What is Dr. Ahmad Riad Ramadan's NPI?
Dr. Ahmad Riad Ramadan's National Provider Identifier (NPI) is 1164738910, issued by NPPES.
Does Dr. Ahmad Riad Ramadan accept Medicare assignment?
Yes. Dr. Ahmad Riad Ramadan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ahmad Riad Ramadan commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.