DR. MARK HORROCKS (M.D.) – Family Medicine Physician, NPI 1700885258

DR. MARK HORROCKS (M.D.) is a healthcare provider. based in Pocatello, Idaho. specializing in Family Medicine Physician. They hold the professional credentials M.D.. They hold a License No. M7959 (ID). The NPI Number for DR. MARK HORROCKS (M.D.) is 1700885258

Main info

Male
32 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK HORROCKS (M.D.)
NPI
1700885258
Phone
(208) 232-7862
Address
PO BOX 2377
Enumeration Date
18 July 2005
Last Update Date
27 February 2008

Doctor Profile

Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Secondary Phone
20823278621122
Graduation Year
1994 (32 years ago)
PAC ID
2961596069
Group Practice PAC ID
4981500931
Professional Enrollment ID
I20070920000296
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for DR. MARK HORROCKS (M.D.)

  • PO BOX 2377

    POCATELLO, ID 832062377

    Phone: (208) 232-7862

    Fax: (208) 232-7869

    Type: Mailing

  • 845, West Center Street, Pocatello, Bannock County, Idaho, 83204, United States

    SUITE 200

    POCATELLO, ID 832044205

    Phone: (208) 232-6260

    Fax: (208) 232-6259

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $21.

Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.

Last reported payment date: 2024-11-14 • Largest payer in this snapshot: ABBVIE INC. ($21).

Total Amount

$21

General + Research + Ownership

Payments

1

Total payment records

General Amount

$21

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-14

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ABBVIE INC.$21
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: 2007-09-20

PECOS data refreshed: 2026-05-27

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
I20070920000296IFamily PracticeIDTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 83206)

Loading plans...

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: 4981500931View full group profile
NameSpecialtyState
Physician AssistantID
Family Practice, Osteopathic Manipulative MedicineID
Family PracticeID
Physician AssistantAZ
Nurse PractitionerID
Family PracticeID
Family PracticeID
Family PracticeID
Family PracticeID
Family PracticeID

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does DR. MARK HORROCKS (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. MARK HORROCKS (M.D.) uses 1700885258.
Does CMS list DR. MARK HORROCKS (M.D.) as active?
Yes — DR. MARK HORROCKS (M.D.) is active in the NPI listing used on this page.
What is DR. MARK HORROCKS (M.D.)'s primary classification?
Family Medicine Physician is the headline specialty for DR. MARK HORROCKS (M.D.) here. Clinical services aligned with this taxonomy classification.
Where should I expect DR. MARK HORROCKS (M.D.) on a map?
Expect Pocatello, Idaho as a primary anchor for DR. MARK HORROCKS (M.D.) unless the record lists multiple sites.
How many locations tie to this NPI?
2 practice locations appear in the available data.

Similar Providers

JON DANIEL MALAN (DO)

Family Medicine Physician
500 S 11TH AVE STE 400
NPI: 1306842232

CHRISTOPHER C SHIELDS (MD)

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician
1125, West Alameda Road, Pocatello, Bannock County, Idaho, 83201, United States
NPI: 1285633065

Unknown Individual

Family Medicine Physician
845, West Center Street, Pocatello, Bannock County, Idaho, 83204, United States
NPI: 1912906553

HEALTH WEST AMERICAN FALLS CLINIC

Federally Qualified Health Center (FQHC)
PO BOX 2377
NPI: 1629077235

DR. LUIS FERNANDEZ (MD)

Family Medicine Physician
PO BOX 2377
NPI: 1841299302

HEALTH WEST POCATELLO CLINIC

Federally Qualified Health Center (FQHC)
PO BOX 2377
NPI: 1154320752

HEALTH WEST ABERDEEN CLINIC

Federally Qualified Health Center (FQHC)
PO BOX 2377
NPI: 1295734796

HEALTH WEST LAVA CLINIC

Federally Qualified Health Center (FQHC)
PO BOX 2377
NPI: 1427057926

MRS. KELLI DEANNE CHRISTENSEN (MD)

Family Medicine Physician
2850 OLYMPUS DR.
NPI: 1366443699