ALLAN ONG (M.D.) – Hospitalist Physician, NPI 1760411367

ALLAN ONG (M.D.) is a healthcare provider. based in Rockford, Illinois. specializing in HOSPITALIST, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 036111976 (IL). The NPI Number for ALLAN ONG (M.D.) is 1760411367

Main info

Male
27 Years Of Experience
Accepts Medicare Assignment
Name
ALLAN ONG (M.D.)
NPI
1760411367
Phone
(815) 226-2000
Address
5666 EAST STATE ST
Enumeration Date
3 July 2006
Last Update Date
29 January 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3096835050
Graduation Year
1999 (27 years ago)
PAC ID
0244293546
Group Practice PAC ID
3678889789
Professional Enrollment ID
I20041108000944
Address ID
IL616157829PE8600X91XX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

2,392 HOSPITALIST in IL

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Provider Addresses for ALLAN ONG (M.D.)

  • 5666, East State Street, Rockford, Rockford Township, Winnebago County, Illinois, 61108, United States

    ROCKFORD, IL 611082472

    Phone: (815) 226-2000

    Fax: (815) 227-2880

    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 2 Open Payments records for all available years, with a total value of $40.

Total Amount is formed as General ($40) + Research ($0) + Ownership ($0) = $40.

Last reported payment date: 2023-05-05 • Largest payer in this snapshot: Inari Medical, Inc. ($20).

Total Amount

$40

General + Research + Ownership

Payments

2

Total payment records

General Amount

$40

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-05-05

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: 2004-11-08

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
I20041108000944IHospitalistILTBD

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
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes511207$0
99239Hospital discharge day management, more than 30 minutes135129$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes7960$0
99291Critical care, first 30-74 minutes7533$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes5025$0
View full utilization report →

Insurance plans in this area (ZIP 61108)

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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: 3678889789View full group profile

Reviews

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Frequently asked questions

How do payers reference ALLAN ONG (M.D.)?
For ALLAN ONG (M.D.), use NPI 1760411367 as the unique 10-digit identifier.
Is ALLAN ONG (M.D.) shown as active in public data?
Registry records indicate ALLAN ONG (M.D.) maintains an active NPI.
How would a patient describe ALLAN ONG (M.D.)'s focus?
For ALLAN ONG (M.D.), the primary taxonomy reads as Hospitalist Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for ALLAN ONG (M.D.)?
Travel planning: use Rockford, Illinois as the reference point for ALLAN ONG (M.D.), then confirm.
Does ALLAN ONG (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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