Doctor profile · Federal record

Dr. Ahmed Mohyeldin, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Orange, CA

  • NPI 1912213687
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S Bldg 30
Orange, CA 928683201
(714) 456-6966
Additional location
1165 Montgomery Dr
Santa Rosa, CA 954054801
(707) 546-3210
Additional location
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Show 1 more location
Additional location
410 West 10Th Avenue, N1014 Doan Hall
Columbus, OH 43215
(614) 293-0821
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
March 14, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
California #A159685 · Ohio #57020192

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912213687. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
236
Distinct HCPCS
8
Medicare allowed
$58,342
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 53 28 $222
99215 Established patient office or other outpatient visit, 40-54 minutes 50 32 $149
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 43 23 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $182
61800 Computer-assisted radiosurgery application of headframe 22 17 $154
99205 New patient office or other outpatient visit, 60-74 minutes 17 17 $190
61798 Computer-assisted radiosurgery of complex growth of brain, first growth 15 13 $1,434
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $103

In context: peer comparison

Among 10 peers in Orange Neurological Surgery Physician, average services per provider: 36. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Irras USA, INC. 1 $117.58

By nature of payment

Food and Beverage
$118

Frequently asked questions

Auto-generated from federal data
What is Dr. Ahmed Mohyeldin's medical specialty?
Dr. Ahmed Mohyeldin practices Neurological Surgery Physician in Orange, CA.
Where does Dr. Ahmed Mohyeldin practice?
Dr. Ahmed Mohyeldin practices at 101 the City Dr S Bldg 30, Orange, CA 928683201. Office phone: 7144566966.
What is Dr. Ahmed Mohyeldin's NPI?
Dr. Ahmed Mohyeldin's National Provider Identifier (NPI) is 1912213687, issued by NPPES.
Does Dr. Ahmed Mohyeldin accept Medicare assignment?
Yes. Dr. Ahmed Mohyeldin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ahmed Mohyeldin commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.