NPPES file of Aug 9, 2026

Haeryong Oh, M.D.

Neurology Physician · Long Beach, CA

Haeryong Oh, M.D. is a neurology physician with a practice address in Long Beach, California, and NPI 1225206881, issued on Feb 18, 2008. Check the license (California A100397, 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
1225206881
Name
Haeryong Oh
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A100397 CA
Self-reported in NPPES; status is on the state search
Practice location
4910 Airport Plaza Dr Ste 100, Long Beach, CA 90815
Phone
(562) 429-2473
Enumerated
Feb 18, 2008
Record last updated
Jan 4, 2026
Medicare enrollment
Enrolled (PECOS I20091120000660); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2005
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.
Download card Updates feed

Also registered at 4910 Airport Plaza Dr Ste 100

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

  1. Shane Lenre Avila, NPNurse Practitioner1740607167
  2. Calvin Chang, N.P.Nurse Practitioner1689068363
  3. Masoomeh Djodeir, MDFamily Medicine Physician1568442986
  4. Adrienne Doi, D.P.M.Foot & Ankle Surgery Podiatrist1679008049
  5. Stephanie Gonzalez, M.D.Gastroenterology Physician1497012991
  6. Gurcharan Khera, M.D.Hospitalist Physician1477869428

Verify Haeryong Oh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A100397    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

99% more Medicare Part D claims than the average neurology physician in 2024

2,720 Medicare Part D claims for 462 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Haeryong Oh2,720
  2. Specialty average1,370

Most prescribed

  1. Memantine Hcl234 claims
  2. Galantamine Er223 claims
  3. Carbidopa-Levodopa187 claims
  4. Gabapentin151 claims
  5. Levetiracetam150 claims
  6. Citalopram Hbr115 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. Healthcare Partners Affiliates Medical GroupLong Beach, 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 Long Beach →

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 Haeryong Oh, M.D.'s NPI number?

Haeryong Oh, M.D.'s National Provider Identifier (NPI) is 1225206881, issued on Feb 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Haeryong Oh, M.D. located?

The NPPES record lists a practice address at 4910 Airport Plaza Dr Ste 100, Long Beach, CA, 90815. Phone: (562) 429-2473. Providers update this record themselves, so call before visiting.

How can I verify Haeryong Oh, M.D.'s license?

NPPES lists California license number A100397, 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 Haeryong Oh, M.D. prescribe under Medicare Part D?

In 2024, Haeryong Oh, M.D. had 2,720 Medicare Part D claims for 462 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.