William P. Long, D.O.
Obstetrics & Gynecology Physician · Dixon, IL
William P. Long, D.O. is an obstetrics & gynecology physician with a practice address in Dixon, Illinois, and NPI 1568430460, issued on Mar 8, 2006. Check the license (Illinois 036-098381, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William P. Long
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036-098381 IL
Self-reported in NPPES; status is on the state search - Practice location
- 215 E 1St St, Dixon, IL 61021
- Phone
- (815) 288-7711
- Enumerated
- Mar 8, 2006
- Record last updated
- Aug 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (815) 285-8930
- Medicaid ID
- 036098381 IL
- Medicare enrollment
- Enrolled (PECOS I20040521000834); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1993
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 215 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Appelquist, DPTPhysical Therapist1730988684
- Deb Bowers, LPTAPhysical Therapy Assistant1518178284
- Maggie Connors, APNFamily Nurse Practitioner1609474097
- Ellie Cruse, DPMPodiatrist1821917816
- Monther El Bzour, M.D.Cardiovascular Disease Physician1912978222
- Kayla FordhamPhysical Therapy Assistant1518806181
Verify William P. Long in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-098381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
103 Medicare Part D claims for 41 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Estradiol15 claims
- Clobetasol Propionate14 claims
- Larin Fe13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $54.95
3 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Osf Multi-Specialty GroupDixon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William P. Long among 2,062 obstetrics & gynecology physician records in Illinois
William P. Long, D.O. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1993 · median 2006 among the 1,168 with a school on file
- Record last updated2018 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 obstetrics & gynecology physician records list a practice address in Dixon
They are 6 of the 693 NPPES records with a practice address in Dixon, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Dixon → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Anna Bida-Dudun, M.D.Dixon, IL 610211669444782
- Lakshmi Dundoo, M.D.Dixon, IL 610211871553263
- Brett McGowan, M.D.Dixon, IL 610211023434347
- Robb Rydzynski, D.O.Dixon, IL 610211720016306
- Shirley Stone, M.D.Dixon, IL 610211578531018
- Robert Eichmann, M.D.Cherry Valley, IL 610161073875597
- Farouk Isawi, MDFreeport, IL 610321174583611
- Courtney Pyant-Dan-Pullo, MDFreeport, IL 610321023379831
Common questions
What is William P. Long, D.O.'s NPI number?
William P. Long, D.O.'s National Provider Identifier (NPI) is 1568430460, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William P. Long, D.O. located?
The NPPES record lists a practice address at 215 E 1St St, Dixon, IL, 61021. Phone: (815) 288-7711. Providers update this record themselves, so call before visiting.
How can I verify William P. Long, D.O.'s license?
NPPES lists Illinois license number 036-098381, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William P. Long, D.O. prescribe under Medicare Part D?
In 2024, William P. Long, D.O. had 103 Medicare Part D claims for 41 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is William P. Long, D.O.'s MIPS final score?
The 2023 MIPS final score is 82.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.