NPPES file of Aug 9, 2026

Vinh Q. Dang, M.D.

Neurology Physician · Orange, CA

Vinh Q. Dang, M.D. is a neurology physician with a practice address in Orange, California, and NPI 1629235825, issued on May 16, 2008. Check the license (California A90287, 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
1629235825
Name
Vinh Q. Dang
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
A90287 CA
A92087 CA
Self-reported in NPPES; status is on the state search
Practice location
200 S Manchester Ave, Orange, CA 92868
Phone
(714) 456-2332
Enumerated
May 16, 2008
Record last updated
Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081107000578); accepts Medicare assignment
Medical or professional school
Chicago College Of Medicine And Surgery, 2003
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 200 S Manchester Ave

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

  1. Al Aly, MDPlastic and Reconstructive Surgery Physician1154476588
  2. Nadia AraujoSpeech-Language Pathologist1245690478
  3. Julia Armstrong, MA, CCC-SLPSpeech-Language Pathologist1912368259
  4. Derek Banyard, M.D.Surgery Physician1194015313
  5. Michelle Boucher, PAPhysician Assistant1750337895
  6. Mark Calayag, M.D.Neurology with Special Qualifications in Child Neurology Physician1336373901

Verify Vinh Q. Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A90287    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

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66% more Medicare Part D claims than the average neurology physician in 2024

2,268 Medicare Part D claims for 492 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Vinh Dang2,268
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam331 claims
  2. Carbidopa-Levodopa222 claims
  3. Propranolol Hcl215 claims
  4. Gabapentin146 claims
  5. Ajovy Autoinjector128 claims
  6. Carbamazepine Er85 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupFontana, CA

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

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

All 2,339 in California → Every provider in Orange →

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Kafia Abbasi, M.D.French Camp, CA1215114897
  4. Puya Abbassi, D.O.San Jose, CA1831695428
  5. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  6. Diana Abdulrahman, M.D.Pomona, CA1518276880
  7. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  8. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  9. Saheil AboutalibLong Beach, CA1548551112
  10. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522

Common questions

What is Vinh Q. Dang, M.D.'s NPI number?

Vinh Q. Dang, M.D.'s National Provider Identifier (NPI) is 1629235825, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Vinh Q. Dang, M.D. located?

The NPPES record lists a practice address at 200 S Manchester Ave, Orange, CA, 92868. Phone: (714) 456-2332. Providers update this record themselves, so call before visiting.

How can I verify Vinh Q. Dang, M.D.'s license?

NPPES lists California license number A90287, 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 Vinh Q. Dang, M.D. prescribe under Medicare Part D?

In 2024, Vinh Q. Dang, M.D. had 2,268 Medicare Part D claims for 492 beneficiaries; the average among neurology physician prescribers was 1,370. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.