Craig Michael Greven, MD - Medicare Ophthalmology in Winston Salem, NC

Craig Michael Greven, MD is a medicare enrolled "Ophthalmology" physician in Winston Salem, North Carolina. He went to Wake Forest University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Wake Forest University Health Sciences and his current practice location is Medical Center Blvd, Winston Salem, North Carolina. You can reach out to his office (for appointments etc.) via phone at (336) 716-2255.

Craig Michael Greven is licensed to practice in North Carolina (license number 28497) 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 1154304863.

Contact Information

Craig Michael Greven, MD
Medical Center Blvd,
Winston Salem, NC 27157-0001
(336) 716-2255
(336) 716-7994

Map and Direction




Physician's Profile

Full NameCraig Michael Greven
GenderMale
SpecialityOphthalmology
Experience41 Years
LocationMedical Center Blvd, Winston Salem, North Carolina
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:
  • Craig Michael Greven attended and graduated from Wake Forest University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1154304863
  • Provider Enumeration Date: 11/28/2005
  • Last Update Date: 08/20/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 9335153493
  • Enrollment ID: I20060127000810

Medical Identifiers

Medical identifiers for Craig Michael Greven such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154304863NPI-NPPES
36608OtherMEDCOST
6330207MedicaidVA
37201OtherBCBS
Q28497MedicaidSC
195723000MedicaidWV
2865OtherPARTNERS
7937201MedicaidNC
5599024OtherAETNA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 28497 (North Carolina)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
North Carolina Baptist HospitalWinston-salem, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Wake Forest University Health Sciences44865649521987

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. Craig Michael Greven allows following entities to bill medicare on his behalf.
Entity NameWake Forest University Health Sciences
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003803032
PECOS PAC ID: 4486564952
Enrollment ID: O20031105000436

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. Craig Michael Greven 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
Craig Michael Greven, MD
Po Box 344,
Winston Salem, NC 27102-0344

Ph: (336) 716-2255
Craig Michael Greven, MD
Medical Center Blvd,
Winston Salem, NC 27157-0001

Ph: (336) 716-2255

Reviews and Comments


Ophthalmology Doctors in Winston Salem, NC

Dr. Henry Warren Burnett, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 110 Oakwood Dr Ste 380, Winston Salem, NC 27103
Phone: 336-765-3930    Fax: 336-765-3483
Frank Joseph Moya, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1340 Creekshire Way, Winston Salem, NC 27103
Phone: 919-620-4467    
Timothy John Martin, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: Medical Center Blvd, Winston Salem, NC 27157
Phone: 336-716-2255    Fax: 336-716-7994
Phillip Mckinley, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 2025 Frontis Plaza Blvd Ste 100, Winston Salem, NC 27103
Phone: 919-620-4467    
Dr. Kirk A Murdock, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 725 Highland Oaks Dr, Suite 101, Winston Salem, NC 27103
Phone: 336-659-8180    Fax: 336-659-8363
Dr. Andrew Yin Chu Ting, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: Medical Center Blvd, Winston Salem, NC 27157
Phone: 336-716-2255    Fax: 336-716-7994

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.