Doctor profile · Federal record

Dr. William Penn, M.D.

Emergency Medicine Physician · Yelm, WA

  • NPI 1194771535
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 Tahoma Blvd, Suite 102
Yelm, WA 985977735
(360) 458-7761

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 20, 2013
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Washington #MD00020401
Medicaid
WA #1018621

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194771535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
98
Distinct HCPCS
3
Medicare allowed
$10,153
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 61 56 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 26 24 $88
81002 Urinalysis, manual test 11 11 $3

In context: peer comparison

Among 1 peers in Yelm Emergency Medicine Physician, average services per provider: 32. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,213
Patients
404
Total drug cost
$135,987
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 216 77 $3,604
Lisinopril Generic 154 61 $1,047
Amlodipine Besylate Generic 129 45 $977
Metformin Hcl Generic 126 45 $970
Levothyroxine Sodium Generic 101 37 $1,529
Losartan Potassium Generic 61 23 $856
Tamsulosin Hcl Generic 56 23 $1,496
Gabapentin Generic 54 22 $850
Hydrochlorothiazide Generic 53 23 $369
Jardiance (Empagliflozin) Brand 53 12 $47,810

Frequently asked questions

Auto-generated from federal data
What is Dr. William Penn's medical specialty?
Dr. William Penn practices Emergency Medicine Physician in Yelm, WA.
Where does Dr. William Penn practice?
Dr. William Penn practices at 201 Tahoma Blvd, Yelm, WA 985977735. Office phone: 3604587761.
What is Dr. William Penn's NPI?
Dr. William Penn's National Provider Identifier (NPI) is 1194771535, issued by NPPES.
What procedures does Dr. William Penn 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); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.