Gregory J Merten, MD - Medicare Nephrology in Charlotte, NC

Gregory J Merten, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Charlotte, North Carolina. He went to University Of Minnesota Medical School and graduated in 2000 and has 24 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Metrolina Nephrology Associates Pa and his current practice location is 7903 Providence Rd Ste 110, Charlotte, North Carolina. You can reach out to his office (for appointments etc.) via phone at (704) 248-5101.

Gregory J Merten is licensed to practice in North Carolina (license number 2002-00256) 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 1154308435.

Contact Information

Gregory J Merten, MD
7903 Providence Rd Ste 110,
Charlotte, NC 28277-8300
(704) 248-5101
(704) 971-0035

Map and Direction




Physician's Profile

Full NameGregory J Merten
GenderMale
SpecialityNephrology
Experience24 Years
Location7903 Providence Rd Ste 110, Charlotte, 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:
  • Gregory J Merten attended and graduated from University Of Minnesota Medical School in 2000
  NPI Data:
  • NPI Number: 1154308435
  • Provider Enumeration Date: 12/28/2005
  • Last Update Date: 07/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2163474727
  • Enrollment ID: I20060920000502

Medical Identifiers

Medical identifiers for Gregory J Merten such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154308435NPI-NPPES
5904085MedicaidNC
143TOOtherNCBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 2002-00256 (North Carolina)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bma Nations FordCharlotte, NCDialysis facility
Independent Nephrology Services HuntersvilleHuntersville, NCDialysis facility
Fresenius Medical Care CharlotteCharlotte, NCDialysis facility
Carolinas Medical Center/behav HealthCharlotte, NCHospital
Carolinas Medical Center-pinevilleCharlotte, NCHospital
Atrium Health UnionMonroe, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Metrolina Nephrology Associates Pa802291660079

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. Gregory J Merten allows following entities to bill medicare on his behalf.
Entity NameCarolinas Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275774333
PECOS PAC ID: 4789597477
Enrollment ID: O20031110000116
Entity NameMetrolina Nephrology Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083664189
PECOS PAC ID: 8022916600
Enrollment ID: O20031219000790

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. Gregory J Merten 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
Gregory J Merten, MD
1300 Baxter St Ste 215,
Charlotte, NC 28204-3106

Ph: (704) 332-0366
Gregory J Merten, MD
7903 Providence Rd Ste 110,
Charlotte, NC 28277-8300

Ph: (704) 248-5101

Reviews and Comments


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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).

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