Doctor profile · Federal record

Dr. William Wang, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Whittier, CA

  • NPI 1508213646
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15725 Whittier Blvd Ste 400
Whittier, CA 906032338
(562) 947-1669
fax (562) 464-5134
Mailing address
15725 Whittier Blvd Ste 500
Whittier, CA 906032350

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
May 23, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A22387

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508213646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
221
Distinct HCPCS
6
Medicare allowed
$8,531
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 76 58 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 50 38 $82
99212 Established patient office or other outpatient visit, 10-19 minutes 40 30 $53
81003 Automated urinalysis test 22 18 $2
96372 Injection of drug or substance under skin or into muscle 19 11 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 14 11 $102

In context: peer comparison

Among 17 peers in this city , average services per provider: 173. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11,030
Patients
3,814
Total drug cost
$169,171
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,847 648 $25,911
Levothyroxine Sodium Generic 1,110 350 $25,996
Lisinopril Generic 1,093 386 $9,620
Amlodipine Besylate Generic 1,090 375 $6,414
Losartan Potassium Generic 915 306 $17,428
Metformin Hcl Generic 692 257 $8,501
Rosuvastatin Calcium Generic 552 192 $9,987
Hydrochlorothiazide Generic 527 169 $3,105
Gabapentin Generic 499 196 $15,192
Metoprolol Succinate Generic 495 166 $11,813

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Wang's medical specialty?
Dr. William Wang practices Internal Medicine Physician in Whittier, CA.
Where does Dr. William Wang practice?
Dr. William Wang practices at 15725 Whittier Blvd Ste 400, Whittier, CA 906032338. Office phone: 5629471669.
What is Dr. William Wang's NPI?
Dr. William Wang's National Provider Identifier (NPI) is 1508213646, issued by NPPES.
Does Dr. William Wang accept Medicare assignment?
Yes. Dr. William Wang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Wang commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.