Dr John Emerson Feldmann, MD - Medicare Internal Medicine in Greensboro, NC

Dr John Emerson Feldmann, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Greensboro, North Carolina. His current practice location is 2500 Summit Ave, Greensboro, North Carolina. You can reach out to his office (for appointments etc.) via phone at (336) 621-2500.

Dr John Emerson Feldmann is licensed to practice in North Carolina (license number 200300596) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1639122070.

Contact Information

Dr John Emerson Feldmann, MD
2500 Summit Ave,
Greensboro, NC 27405-4522
(336) 621-2500
(336) 478-2541

Map and Direction




Physician's Profile

Full NameDr John Emerson Feldmann
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location2500 Summit Ave, Greensboro, North Carolina
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1639122070
  • Provider Enumeration Date: 05/18/2006
  • Last Update Date: 12/19/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 4587635776
  • Enrollment ID: I20040802001580

Medical Identifiers

Medical identifiers for Dr John Emerson Feldmann such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639122070NPI-NPPES
C7125OtherNCMEDCOST
803438OtherNCPARTNERS MEDICARE
89134NHMedicaidNC
4006538OtherNCAETNA
134NHOtherNCBCBS NC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 200300596 (North Carolina)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 200300596 (North Carolina)Primary

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. Dr John Emerson Feldmann allows following entities to bill medicare on his behalf.
Entity NameAuthoracare Collective
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093774614
PECOS PAC ID: 3678558962
Enrollment ID: O20040621001772

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. Dr John Emerson Feldmann 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
Dr John Emerson Feldmann, MD
2500 Summit Ave,
Greensboro, NC 27405-4522

Ph: (336) 621-2500
Dr John Emerson Feldmann, MD
2500 Summit Ave,
Greensboro, NC 27405-4522

Ph: (336) 621-2500

Reviews and Comments


Internal Medicine Doctors in Greensboro, NC

Dr. Olugbemiga Ebenezer Jegede, M.D
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Medicare: Accepting Medicare Assignments
Practice Location: 201 E Wendover Ave, Greensboro, NC 27401
Phone: 336-832-4444    Fax: 336-832-4445
Yan Feng,
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Practice Location: 501 N Elam Ave, Greensboro, NC 27403
Phone: 336-832-1100    
Dr. Gary Bradley Sherrill, M.D.
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Practice Location: 501 N Elam Ave, Greensboro, NC 27403
Phone: 336-832-1100    
Edwin Aziegbe Avbuere, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 3231 Yanceyville Street, Greensboro, NC 27405
Phone: 336-358-1528    Fax: 336-358-1582
Dr. Jay Krishnavadan Patel, MB.CHB
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 309 New St, Carolina Kidney Associates, Greensboro, NC 27405
Phone: 336-379-9708    Fax: 336-553-2085
Gayatri A Acharya, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 3200 Northline Ave Ste 250, Greensboro, NC 27408
Phone: 336-273-7900    
Murali Ramaswamy, MD FAAFP
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 520 N Elam Ave, Greensboro, NC 27403
Phone: 336-547-1801    Fax: 336-547-1828

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.