NPPES file of Aug 9, 2026

Diemha Hoang, M.D.

Physical Medicine & Rehabilitation Physician · Long Beach, CA

Diemha Hoang, M.D. is a physical medicine & rehabilitation physician with a practice address in Long Beach, California, and NPI 1831120559, issued on Jul 5, 2006. Check the license (California A62572, 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
1831120559
Name
Diemha Hoang
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
A62572 CA
Self-reported in NPPES; status is on the state search
Practice location
2840 Long Beach Blvd, Long Beach, CA 90806
Phone
(562) 424-8111
Enumerated
Jul 5, 2006
Record last updated
Nov 17, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(562) 492-6830
Medicare enrollment
Enrolled (PECOS I20040218000647); accepts Medicare assignment
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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8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →

Also registered at 2840 Long Beach Blvd

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

  1. Gregorio Abad-Santos, M.D.Pediatrics Physician1255451894
  2. Gloria Blatt, CNSPerioperative Clinical Nurse Specialist1346395365
  3. Philip Chiou, MDInterventional Pain Medicine Physician1386810133
  4. Laurie Endo, MDObstetrics & Gynecology Physician1841254190
  5. Keyvan Esmaeili, M.D.Physical Medicine & Rehabilitation Physician1629008909
  6. Jill Gaoghagan, MDPediatrics Physician1760555759

Verify Diemha Hoang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A62572    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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59% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

297 Medicare Part D claims for 101 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Diemha Hoang297
  2. Specialty average727

Most prescribed

  1. Baclofen12 claims
  2. Gabapentin12 claims
  3. Amlodipine Besylate11 claims
  4. Atorvastatin Calcium11 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: $74.31

2 payments; by number, the most common kind was food and beverage; the largest payer was Merz Pharmaceuticals, LLC. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diemha Hoang$74.31
  2. Specialty average$1,237.86

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. Rehabilitation Associates PtrLong Beach, CA

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

Diemha Hoang among 1,549 physical medicine & rehabilitation physician records in California

Diemha Hoang, M.D. is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 70% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1995 · median 2008 among the 786 with a school on file
  • Record last updated2008 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in California

There are 1,549 physical medicine & rehabilitation physician records in California.

All 1,549 in California → Every provider in Long Beach → Physical Medicine & Rehabilitation Physician nationwide →

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Hugh Adams, M.D.Long Beach, CA 908061962436774
  2. Fred Batkin, M.D.Long Beach, CA 908061043240443
  3. Kimberly Bedell, M.D.Long Beach, CA 908061063454486
  4. Amy Cassedy, M.D.Long Beach, CA 908061164468401
  5. Keyvan Esmaeili, M.D.Long Beach, CA 908061629008909
  6. Audrey Huang, M.D.Long Beach, CA 908061629258892
  7. Jason Koh, D.O.Long Beach, CA 908061639359946
  8. Hassan Moinzadeh, M.D.Long Beach, CA 908061659301968

Common questions

What is Diemha Hoang, M.D.'s NPI number?

Diemha Hoang, M.D.'s National Provider Identifier (NPI) is 1831120559, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diemha Hoang, M.D. located?

The NPPES record lists a practice address at 2840 Long Beach Blvd, Long Beach, CA, 90806. Phone: (562) 424-8111. Providers update this record themselves, so call before visiting.

How can I verify Diemha Hoang, M.D.'s license?

NPPES lists California license number A62572, 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 Diemha Hoang, M.D. prescribe under Medicare Part D?

In 2024, Diemha Hoang, M.D. had 297 Medicare Part D claims for 101 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.