NPPES file of Aug 9, 2026

Ahmed Mohyeldin, MD

Neurological Surgery Physician · Orange, CA

Ahmed Mohyeldin, MD is a neurological surgery physician with a practice address in Orange, California, and NPI 1912213687, issued on Aug 19, 2010. Check the license (California A159685, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912213687
Name
Ahmed Mohyeldin
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
A159685 CA
57020192 OH
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S Bldg 30, Orange, CA 92868
Phone
(714) 456-6966
Enumerated
Aug 19, 2010
Record last updated
Mar 14, 2023
Medicare enrollment
Enrolled (PECOS I20190219001722); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 The City Dr S Bldg 30

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ian Chang, D.O.Rheumatology Physician1407116411
  2. Ismail Kasimoglu, MD, PHD, MBAEndocrinology, Diabetes & Metabolism Physician1578095774
  3. Julia Liang, NPNurse Practitioner1679917686
  4. Michael Oh, MDNeurological Surgery Physician1275508525
  5. James Pearle, M.D.Pulmonary Disease Physician1982783940
  6. Uttam Reddy, M.D.Nephrology Physician1487846481

Verify Ahmed Mohyeldin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A159685
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average neurological surgery physician in 2024

36 Medicare Part D claims for 11 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ahmed Mohyeldin36
  2. Specialty average172

Most prescribed

  1. Gabapentin15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $117.58

1 payment: food and beverage; the largest payer was Irras USA, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahmed Mohyeldin$118
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaOrange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ahmed Mohyeldin among 929 neurological surgery physician records in California

Ahmed Mohyeldin, MD is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.

  • NPI issued2010 · 64% of these records are older, 32% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2011 · median 2005 among the 612 with a school on file
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in California

There are 929 neurological surgery physician records in California.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Lars Anker, MDOrange, CA 928681962548537
  2. Gilbert Cadena, MDOrange, CA 928681760649255
  3. Jefferson Chen, MD PHDOrange, CA 928681992789747
  4. Kiarash Golshani, M.D.Orange, CA 928681992913214
  5. Frank Hsu, M.D.Orange, CA 928681548298417
  6. John A Kusske, MDOrange, CA 928681275601593
  7. Mark Linskey, MDOrange, CA 928681316041908
  8. Michael Muhonen, MDOrange, CA 928681801804810

Common questions

What is Ahmed Mohyeldin, MD's NPI number?

Ahmed Mohyeldin, MD's National Provider Identifier (NPI) is 1912213687, issued on Aug 19, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Ahmed Mohyeldin, MD located?

The NPPES record lists a practice address at 101 The City Dr S Bldg 30, Orange, CA, 92868. Phone: (714) 456-6966. Providers update this record themselves, so call before visiting.

How can I verify Ahmed Mohyeldin, MD's license?

NPPES lists California license number A159685, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ahmed Mohyeldin, MD prescribe under Medicare Part D?

In 2024, Ahmed Mohyeldin, MD had 36 Medicare Part D claims for 11 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.