JOHN B. HOLROYD (M.D.) – Internal Medicine Physician, NPI 1811996234

JOHN B. HOLROYD (M.D.) is a healthcare provider. based in Bellingham, Washington. specializing in HOSPITALIST, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. MD00035433 (WA). The NPI Number for JOHN B. HOLROYD (M.D.) is 1811996234

Main info

Male
31 Years Of Experience
Accepts Medicare Assignment
Name
JOHN B. HOLROYD (M.D.)
NPI
1811996234
Phone
(360) 738-2200
Address
PO BOX 5096
Enumeration Date
18 July 2005
Last Update Date
30 September 2010

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2536974000
Graduation Year
1995 (31 years ago)
PAC ID
4587733753
Group Practice PAC ID
5991618738
Professional Enrollment ID
I20080514000813
Address ID
WA983723770PU407XXSEXX400
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

1,188 HOSPITALIST in WA

Loading map...

Provider Addresses for JOHN B. HOLROYD (M.D.)

  • PO BOX 5096

    BELLINGHAM, WA 982275096

    Phone: (360) 738-2200

    Fax: (360) 752-5682

    Type: Mailing

  • 4545, Cordata Parkway, Cordata, Bellingham, Whatcom County, Washington, 98226, United States

    BELLINGHAM, WA 982267123

    Phone: (360) 738-2200

    Fax: (360) 752-5682

    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 $22.

Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.

Last reported payment date: 2023-09-06 • Largest payer in this snapshot: Boston Scientific Corporation ($22).

Total Amount

$22

General + Research + Ownership

Payments

1

Total payment records

General Amount

$22

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-09-06

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: 2008-05-14

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
I20080514000813IHospitalistWATBD

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
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes453203$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes209119$0
99239Hospital discharge day management, more than 30 minutes205201$0
99497Advance care planning, first 30 minutes1714$0
View full utilization report →

Insurance plans in this area (ZIP 98227)

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: 5991618738View full group profile
NameSpecialtyState
Family Practice, HospitalistUT
-WA
-WA
Family PracticeWA
Internal MedicineWA
Family PracticeAK
-WA
Internal Medicine, HospitalistOH
Internal Medicine, Hospitalist, Internal MedicineVA
Physician AssistantOR

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

Where can patients find JOHN B. HOLROYD (M.D.)'s NPI?
You can confirm JOHN B. HOLROYD (M.D.) with NPI 1811996234; it appears in the national provider directory.
Is JOHN B. HOLROYD (M.D.)'s NPI currently valid?
The extract we use shows JOHN B. HOLROYD (M.D.) as active.
What field does JOHN B. HOLROYD (M.D.) work in?
You can think of JOHN B. HOLROYD (M.D.) as practicing within Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where does public data place JOHN B. HOLROYD (M.D.)?
The snapshot lists Bellingham, Washington for JOHN B. HOLROYD (M.D.); download NPPES for the complete set.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

Similar Providers

CLARK O. PARRISH (M.D.)

Internal Medicine Physician
PO BOX 5096
NPI: 1891791232

PAMELA D. LAUGHLIN (M.D.)

Internal Medicine Physician
4545, Cordata Parkway, Cordata, Bellingham, Whatcom County, Washington, 98226, United States
NPI: 1790781151

ROBERT G. HOFFMEISTER (M.D.)

Internal Medicine Physician
PO BOX 5096
NPI: 1336145754

DAVID S. MCKINNEY (M.D.)

Internal Medicine Physician
PO BOX 5096
NPI: 1558367532

NATHAN GIB MORROW (M.D.)

Internal Medicine Physician
4545, Cordata Parkway, Cordata, Bellingham, Whatcom County, Washington, 98226, United States
NPI: 1407853815

WILLIAM SCOTT SANDENO (M.D.)

Internal Medicine Physician
PeaceHealth, 1115, Southeast 164th Avenue, Vancouver, Clark County, Washington, 98683, United States
NPI: 1538167531

MICHAEL J. GEIST (M.D.)

Internal Medicine Physician
PO BOX 5096
NPI: 1306845722

MARTHA GILLHAM (M.D.)

Internal Medicine Physician
PO BOX 5096
NPI: 1275532699

DR. MANI N. SURY (M.D.)

Internal Medicine Physician
4204, Meridian Street, Meridian, Bellingham, Whatcom County, Washington, 98226, United States
NPI: 1922008382