Doctor profile · Federal record

Dr. Diemha Hoang, M.D.

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Long Beach, CA

  • NPI 1831120559
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2840 Long Beach Blvd, 130
Long Beach, CA 90806
(562) 424-8111
fax (562) 492-6830
Mailing address
2840 Long Beach Bl, 130
Long Beach, CA 90806

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 17, 2008
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
California #A62572

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831120559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
994
Distinct HCPCS
5
Medicare allowed
$93,471
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 577 185 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 207 130 $125
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 124 101 $32
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 73 70 $180
99215 Established patient office or other outpatient visit, 40-54 minutes 13 11 $194

In context: peer comparison

Among 5 peers in this city , average services per provider: 931. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merz Pharmaceuticals, LLC 2 $74.31

By nature of payment

Food and Beverage
$74

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
96
Patients
73
Total drug cost
$1,161
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 15 15 $166
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $99
Pantoprazole Sodium Generic 12 12 $125
Tamsulosin Hcl Generic 12 11 $120
Amlodipine Besylate Generic 11 11 $74
Baclofen Generic 11 0 $359
Gabapentin Generic 11 0 $149
Metoprolol Tartrate Generic 11 11 $69

Frequently asked questions

Auto-generated from federal data
What is Dr. Diemha Hoang's medical specialty?
Dr. Diemha Hoang practices Physical Medicine & Rehabilitation Physician in Long Beach, CA.
Where does Dr. Diemha Hoang practice?
Dr. Diemha Hoang practices at 2840 Long Beach Blvd, Long Beach, CA 90806. Office phone: 5624248111.
What is Dr. Diemha Hoang's NPI?
Dr. Diemha Hoang's National Provider Identifier (NPI) is 1831120559, issued by NPPES.
Does Dr. Diemha Hoang accept Medicare assignment?
Yes. Dr. Diemha Hoang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diemha Hoang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316). Source: CMS Medicare Physician & Other Practitioners file.