William Parsons Hyde, MD
Internal Medicine Physician · Quincy, IL
William Parsons Hyde, MD is an internal medicine physician with a practice address in Quincy, Illinois, and NPI 1578598827, issued on Jul 12, 2006. Check the license (Illinois 36 58626, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Parsons Hyde
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36 58626 IL
Self-reported in NPPES; status is on the state search - Practice location
- 721 Broadway St, Quincy, IL 62301
- Phone
- (217) 224-3366
- Enumerated
- Jul 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (217) 224-3311
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 721 Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mike Hackmann, M.D.Internal Medicine Physician1811005382
Verify William Parsons Hyde 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 36 58626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Parsons Hyde among 7,238 internal medicine physician records in Illinois
William Parsons Hyde, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 internal medicine physician records list a practice address in Quincy
They are 26 of the 1,336 NPPES records with a practice address in Quincy, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,238 in Illinois → Every provider in Quincy → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gregory Andrews, MDQuincy, IL 623011861470387
- Mary Barthel, MDQuincy, IL 623011194729087
- Malcolm Findlater, M.D.Quincy, IL 623011508864018
- Mike Hackmann, M.D.Quincy, IL 623011811005382
- Louis Kim, M.D.Quincy, IL 623011467425405
- Kurt Leimbach, M.D.Quincy, IL 623011982677373
- James Love, M.D.Quincy, IL 623011073595310
- Pravinchandra Patel, MDQuincy, IL 623011548233448
Common questions
What is William Parsons Hyde, MD's NPI number?
William Parsons Hyde, MD's National Provider Identifier (NPI) is 1578598827, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Parsons Hyde, MD located?
The NPPES record lists a practice address at 721 Broadway St, Quincy, IL, 62301. Phone: (217) 224-3366. Providers update this record themselves, so call before visiting.
How can I verify William Parsons Hyde, MD's license?
NPPES lists Illinois license number 36 58626, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.