William Greenfield, MD - Medicare Obstetrics/gynecology in Little Rock, AR

William Greenfield, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecology" physician in Little Rock, Arkansas. He went to Meharry Medical College School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice University Of Arkansas and his current practice location is 4301 W Markham St # 783, Little Rock, Arkansas. You can reach out to his office (for appointments etc.) via phone at (501) 686-8000.

William Greenfield is licensed to practice in Arkansas (license number E-4083) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1124118617.

Contact Information

William Greenfield, MD
4301 W Markham St # 783,
Little Rock, AR 72205-7101
(501) 686-8000
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Greenfield
GenderMale
SpecialityObstetrics/gynecology
Experience25 Years
Location4301 W Markham St # 783, Little Rock, Arkansas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William Greenfield attended and graduated from Meharry Medical College School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1124118617
  • Provider Enumeration Date: 10/13/2006
  • Last Update Date: 07/31/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6608855564
  • Enrollment ID: I20040715000498

Medical Identifiers

Medical identifiers for William Greenfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124118617NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VG0400XObstetrics & Gynecology - Gynecology E-4083 (Arkansas)Primary
207VX0000XObstetrics & Gynecology - Obstetrics E-4083 (Arkansas)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Uams Medical CenterLittle rock, ARHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Arkansas40825289551150

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William Greenfield allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Arkansas For Medical Sciences
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588654016
PECOS PAC ID: 4082528955
Enrollment ID: O20031219000706

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William Greenfield is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William Greenfield, MD
4301 W Markham St # 783,
Little Rock, AR 72205-7101

Ph: (501) 686-8000
William Greenfield, MD
4301 W Markham St # 783,
Little Rock, AR 72205-7101

Ph: (501) 686-8000

Reviews and Comments


Obstetrics & Gynecology Doctors in Little Rock, AR

Dr. Francisco Batres, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 9101 Kanis Rd, Suite 300, Little Rock, AR 72205
Phone: 501-801-1200    Fax: 501-801-1207
Dr. Kristin K Zorn, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 4301 W Markham St # 783, Little Rock, AR 72205
Phone: 501-686-8000    
David Hutchins, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 4301 W Markham St # 783, Little Rock, AR 72205
Phone: 501-686-8000    
Kristen Taylor Bracy, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9500 Baptist Health Dr Ste 100, Little Rock, AR 72205
Phone: 501-224-5500    Fax: 501-224-1166
Dayna D Whitcombe,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 6119 Midtown Ave, Little Rock, AR 72205
Phone: 501-296-1800    Fax: 501-296-1711
Nafisa Dajani, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 4301 W Markham St # 783, Little Rock, AR 72205
Phone: 501-686-8000    
Jennifer Afton Cooper, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5 Saint Vincent Cir Ste 300, Little Rock, AR 72205
Phone: 501-552-8800    Fax: 501-552-5343

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.