DR. WILLIAM P LONG (D.O.) – Obstetrics & Gynecology Physician, NPI 1568430460

DR. WILLIAM P LONG (D.O.) is a healthcare provider. based in Dixon, Illinois. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials D.O.. They hold a License No. 036-098381 (IL). The NPI Number for DR. WILLIAM P LONG (D.O.) is 1568430460

Main info

Male
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM P LONG (D.O.)
NPI
1568430460
Phone
(815) 288-7711
Address
102 S Hennepin Ave
Enumeration Date
8 March 2006
Last Update Date
27 August 2018

Doctor Profile

Medical School Name
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Secondary Phone
8152885531
Graduation Year
1993 (33 years ago)
PAC ID
5991796591
Group Practice PAC ID
3678889789
Professional Enrollment ID
I20040521000834
Address ID
IL610213116DI403XXSTXX400
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

1,925 OBSTETRICS/GYNECOLOGY in IL

Provider Addresses for DR. WILLIAM P LONG (D.O.)

  • 102 S Hennepin Ave

    Dixon, IL 61021

    Phone: (815) 288-7711

    Fax: (815) 285-8930

    Type: Location

  • 215, East 1st Street, Dixon, Lee County, Illinois, 61021, United States

    DIXON, IL 610213166

    Phone: (815) 288-7711

    Fax: (815) 285-8930

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 6 Open Payments records for all available years, with a total value of $113.

Total Amount is formed as General ($113) + Research ($0) + Ownership ($0) = $113.

Last reported payment date: 2024-08-15 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($40).

Total Amount

$113

General + Research + Ownership

Payments

6

Total payment records

General Amount

$113

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-15

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: 2004-05-21

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
I20040521000834IObstetrics/GynecologyILTBD

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 minutes3719$0
99213Established patient office or other outpatient visit, 20-29 minutes3619$0
View full utilization report →

Insurance plans in this area (ZIP 61021)

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: 3678889789View full group profile

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

Can I cross-check DR. WILLIAM P LONG (D.O.) using NPI 1568430460?
NPI 1568430460 belongs to DR. WILLIAM P LONG (D.O.); compare other details if you need extra assurance.
Is DR. WILLIAM P LONG (D.O.) still an active registrant?
DR. WILLIAM P LONG (D.O.) carries an active NPI according to the public dataset.
How would a patient describe DR. WILLIAM P LONG (D.O.)'s focus?
For DR. WILLIAM P LONG (D.O.), the primary taxonomy reads as Obstetrics & Gynecology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. WILLIAM P LONG (D.O.)?
Directory geography for DR. WILLIAM P LONG (D.O.) centers on Dixon, Illinois.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

Similar Providers

KSB MEDICAL GROUP, INC.

Family Medicine Physician
PO BOX 841330
NPI: 1073592119

DR. ANNA BIDA-DUDUN (M.D.)

Obstetrics & Gynecology Physician
215 E. 1ST STREET, SUITE 215
NPI: 1669444782

DR. SHIRLEY J STONE (M.D.)

Obstetrics & Gynecology Physician
102 S Hennepin Ave
NPI: 1578531018

DR. LAKSHMI DUNDOO (M.D.)

Obstetrics & Gynecology Physician
215 E 1ST ST STE 215
NPI: 1871553263

DR. ROBB V RYDZYNSKI (D.O.)

Obstetrics & Gynecology Physician
215, East 1st Street, Dixon, Lee County, Illinois, 61021, United States
NPI: 1720016306

BRETT AUSTIN MCGOWAN (M.D.)

Obstetrics & Gynecology Physician
9040 JACKSON AVE
NPI: 1023434347

MICHELLE APPLE (MD)

Obstetrics & Gynecology Physician
1340 ELDENA RD
NPI: 1629498241