Doctor profile · Federal record

Dr. Stephen Williams, D.O.

Family Medicine Physician (CMS: Family Practice) · Anthem, AZ

  • NPI 1902933823
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3648 W Anthem Way, Bldg A-100
Anthem, AZ 850867001
(623) 434-6444
fax (623) 434-6448
Mailing address
2500 W Utopia RD, Ste. 100
Phoenix, AZ 850274171

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
September 24, 2013
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Arizona #2443
Medicaid
AZ #281098

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902933823. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,465
Distinct HCPCS
10
Medicare allowed
$137,000
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 480 236 $123
36415 Insertion of needle into vein for collection of blood sample 358 207 $8
80053 Blood test, comprehensive group of blood chemicals 238 177 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 208 208 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 195 143 $87
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 172 140 $8
80061 Blood test, lipids (cholesterol and triglycerides) 170 132 $13
84443 Blood test, thyroid stimulating hormone (tsh) 75 58 $16
83036 Hemoglobin a1c level 71 54 $10
96372 Injection of drug or substance under skin or into muscle 60 27 $14

In context: peer comparison

Among 2 peers in this city , average services per provider: 91. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $20.54
GlaxoSmithKline, LLC. 1 $17.82

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,002
Patients
612
Total drug cost
$37,844
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 274 92 $3,572
Levothyroxine Sodium Generic 231 72 $3,271
Lisinopril Generic 198 57 $2,224
Losartan Potassium Generic 171 54 $1,906
Amlodipine Besylate Generic 153 55 $879
Progesterone (Progesterone, Micronized) Brand 113 31 $6,468
Trazodone Hcl Generic 110 28 $2,588
Metoprolol Succinate Generic 107 34 $2,272
Gabapentin Generic 102 33 $1,799
Tamsulosin Hcl Generic 100 35 $2,691

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Williams's medical specialty?
Dr. Stephen Williams practices Family Medicine Physician in Anthem, AZ.
Where does Dr. Stephen Williams practice?
Dr. Stephen Williams practices at 3648 W Anthem Way, Anthem, AZ 850867001. Office phone: 6234346444.
What is Dr. Stephen Williams's NPI?
Dr. Stephen Williams's National Provider Identifier (NPI) is 1902933823, issued by NPPES.
Does Dr. Stephen Williams accept Medicare assignment?
Yes. Dr. Stephen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.