HAROLD G CLARK (MD) – Family Medicine Physician, NPI 1831194745

HAROLD G CLARK (MD) is a healthcare provider. based in Marysville, Washington. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. MD00025335 (WA). The NPI Number for HAROLD G CLARK (MD) is 1831194745

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
HAROLD G CLARK (MD)
NPI
1831194745
Phone
(360) 659-1231
Address
4404 80TH ST NE
Enumeration Date
16 June 2005
Last Update Date
25 January 2011

Doctor Profile

Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1985 (41 years ago)
PAC ID
6305841131
Group Practice PAC ID
7517870314
Professional Enrollment ID
I20101007001289
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

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Provider Addresses for HAROLD G CLARK (MD)

  • 4404, 80th Street Northeast, Marysville, Snohomish County, Washington, 98270, United States

    MARYSVILLE, WA 982703427

    Phone: (360) 659-1231

    Fax: (360) 659-7267

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $18.

Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.

Last reported payment date: 2023-02-07 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($18).

Total Amount

$18

General + Research + Ownership

Payments

1

Total payment records

General Amount

$18

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-02-07

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-10-07

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101007001289IFamily PracticeWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes12163$0
99213Established patient office or other outpatient visit, 20-29 minutes11186$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit7777$0
G0444Annual depression screening, 5 to 15 minutes6363$0
83036Hemoglobin a1c level5726$0
View full utilization report →

Insurance plans in this area (ZIP 98270)

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Provider's Procedures

HAROLD G CLARK (MD) performs procedures in Family Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
FAMILY MEDICINEWA81002Urinalysis, manual test1512
FAMILY MEDICINEWA90670Pneumococcal vaccine for injection into muscle3131

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7517870314View full group profile
NameSpecialtyState
-WA
Nurse PractitionerWA
-WA
-WA
-WA
-UT
Pulmonary Disease, Critical Care (Intensivists)FL
R H E U M A T O L O G YWA
Critical Care (Intensivists), Internal Medicine, Pediatric MedicineWA
Orthopedic SurgeryWA

Reviews

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Frequently asked questions

How do payers reference HAROLD G CLARK (MD)?
For HAROLD G CLARK (MD), use NPI 1831194745 as the unique 10-digit identifier.
Would HAROLD G CLARK (MD) appear as active to a payer?
You can treat HAROLD G CLARK (MD) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is HAROLD G CLARK (MD)?
HAROLD G CLARK (MD) is associated with Family Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
Is HAROLD G CLARK (MD) associated with Marysville?
Public fields place HAROLD G CLARK (MD) around Marysville, Washington. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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