Doctor profile · Federal record

Dr. Harold Clark, MD

Family Medicine Physician · Marysville, WA

  • NPI 1831194745
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4404 80Th St Ne
Marysville, WA 982703427
(360) 659-1231
fax (360) 659-7267

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 25, 2011
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Washington #MD00025335
Medicaid
WA #1046184

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831194745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
501
Distinct HCPCS
9
Medicare allowed
$41,145
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 121 63 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 111 86 $90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 77 77 $129
G0444 Annual depression screening, 5 to 15 minutes 63 63 $19
83036 Hemoglobin a1c level 57 26 $9
G0008 Administration of influenza virus vaccine 20 20 $31
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 18 18 $20
80305 Testing for presence of drug, read by direct observation 17 15 $12
99215 Established patient office or other outpatient visit, 40-54 minutes 17 11 $180

In context: peer comparison

Among 11 peers in this city , average services per provider: 47. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,693
Patients
650
Total drug cost
$49,264
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 346 89 $4,990
Oxycodone Hcl Generic 234 35 $4,878
Levothyroxine Sodium Generic 206 60 $4,117
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 202 34 $6,249
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 194 24 $5,557
Tamsulosin Hcl Generic 182 51 $3,379
Losartan Potassium Generic 168 50 $3,232
Lisinopril Generic 167 48 $1,224
Sertraline Hcl Generic 160 37 $1,761
Alprazolam Generic 148 27 $520

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Clark's medical specialty?
Dr. Harold Clark practices Family Medicine Physician in Marysville, WA.
Where does Dr. Harold Clark practice?
Dr. Harold Clark practices at 4404 80Th St Ne, Marysville, WA 982703427. Office phone: 3606591231.
What is Dr. Harold Clark's NPI?
Dr. Harold Clark's National Provider Identifier (NPI) is 1831194745, issued by NPPES.
What procedures does Dr. Harold Clark 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.