Doctor profile · Federal record

Dr. Roger Wang, M.D.

Adult Medicine Physician · Santa Ana, CA

  • NPI 1982602579
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1125 E 17Th St, Suite W239
Santa Ana, CA 927012201
(714) 835-1818
fax (714) 835-7200

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
October 10, 2011
Specialty taxonomy
207QA0505X — NUCC code
State license (1)
California #A44667
Medicaid
CA #00A446670

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982602579. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
4
Medicare allowed
$12,418
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 70 42 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 25 22 $99
36415 Insertion of needle into vein for collection of blood sample 21 16 $8
81002 Urinalysis, manual test 14 13 $3

In context: peer comparison

Among 1 peers in Santa Ana Adult Medicine Physician, average services per provider: 32. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
847
Patients
225
Total drug cost
$16,161
Drug Type Claims Patients Total cost
Metformin Hcl Generic 140 41 $1,520
Amlodipine Besylate Generic 101 30 $1,106
Losartan Potassium Generic 91 31 $1,643
Atorvastatin Calcium Generic 89 35 $1,455
Atenolol Generic 58 17 $511
Metoprolol Succinate Generic 50 14 $600
Levothyroxine Sodium Generic 49 17 $1,230
Allopurinol Generic 47 15 $896
Olmesartan Medoxomil Generic 43 12 $2,559
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 33 0 $611

Frequently asked questions

Auto-generated from federal data
What is Dr. Roger Wang's medical specialty?
Dr. Roger Wang practices Adult Medicine Physician in Santa Ana, CA.
Where does Dr. Roger Wang practice?
Dr. Roger Wang practices at 1125 E 17Th St, Santa Ana, CA 927012201. Office phone: 7148351818.
What is Dr. Roger Wang's NPI?
Dr. Roger Wang's National Provider Identifier (NPI) is 1982602579, issued by NPPES.
What procedures does Dr. Roger Wang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.