William Greenfield, MD
Gynecology Physician · Little Rock, AR
William Greenfield, MD is a gynecology physician with a practice address in Little Rock, Arkansas, and NPI 1124118617, issued on Oct 13, 2006. Check the license (Arkansas E-4083, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Greenfield
- Credential
- MD
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- E-4083 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 783, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 31, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040715000498); may accept Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 36 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 783
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edmund Adams, PA-CMedical Physician Assistant1073533436
- Jibran Ahmed, M.DHematology & Oncology Physician1780091975
- Victoria Akins, MDGeriatric Medicine (Family Medicine) Physician1790875268
- Awad Alaid, MDStudent in an Organized Health Care Education/Training Program1386845501
- Daisy Alapat, MDAnatomic Pathology & Clinical Pathology Physician1689812190
- Ioannis AnastasiouGastroenterology Physician1104201532
Verify William Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-4083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average gynecology physician in 2024
42 Medicare Part D claims for 21 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol15 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.
Bills Medicare through 2 group practices
- Arkansas Department OF Health Payroll OfficeLittle Rock, AR
- University OF Arkansas For Medical SciencesLittle Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Greenfield among 36 gynecology physician records in Arkansas
William Greenfield, MD is one of 36 gynecology physician records with a practice address in Arkansas. 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 11% of them.
- NPI issued2006 · 11% of these records are older, 19% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated1999 · median 1991 among the 12 with a school on file
- Record last updated2007 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Arkansas
There are 36 gynecology physician records in Arkansas.
All 36 in Arkansas → Every provider in Little Rock → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Francisco Batres, MDLittle Rock, AR 722051023026739
- Janet Cathey, M.D.Little Rock, AR 722051447232517
- Peggy Guard, M.D.Little Rock, AR 722051942278247
- David Hutchins, MDLittle Rock, AR 722051033209523
- Sharon Keith, MDLittle Rock, AR 722051528104122
- Karen Kozlowski, M.D.Little Rock, AR 722051083696256
- Angela Myles, M.D.Little Rock, AR 722051912092248
- Mamie Owens, MDLittle Rock, AR 722051588754071
Common questions
What is William Greenfield, MD's NPI number?
William Greenfield, MD's National Provider Identifier (NPI) is 1124118617, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Greenfield, MD located?
The NPPES record lists a practice address at 4301 W Markham St # 783, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify William Greenfield, MD's license?
NPPES lists Arkansas license number E-4083, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Greenfield, MD prescribe under Medicare Part D?
In 2024, William Greenfield, MD had 42 Medicare Part D claims for 21 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.
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.