Mary Jelderks, MD - Medicare Internal Medicine in Ridgewood, NJ

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Mary Jelderks, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Ridgewood, New Jersey. Her current practice location is 1200 E Ridgewood Ave Ste 306, Ridgewood, New Jersey. You can reach out to her office (for appointments etc.) via phone at (201) 389-0096.

Mary Jelderks is licensed to practice in New Jersey (license number 25MA12465700) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1972164077.

Contact Information

Mary Jelderks, MD
1200 E Ridgewood Ave Ste 306,
Ridgewood, NJ 07450-3937
(201) 389-0096
Not Available

Map and Direction




Physician's Profile

Full NameMary Jelderks
GenderFemale
SpecialityInternal Medicine - Rheumatology
Location1200 E Ridgewood Ave Ste 306, Ridgewood, New Jersey
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1972164077
  • Provider Enumeration Date: 06/28/2019
  • Last Update Date: 01/21/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2668901190
  • Enrollment ID: I20250205001287

Medical Identifiers

Medical identifiers for Mary Jelderks such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972164077NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 25MA12465700 (New Jersey)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. Mary Jelderks allows following entities to bill medicare on her behalf.
Entity NameValley Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467815928
PECOS PAC ID: 3577857333
Enrollment ID: O20160802002824

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. Mary Jelderks 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
Mary Jelderks, MD
1200 E Ridgewood Ave Ste 306,
Ridgewood, NJ 07450-3937

Ph: (201) 389-0096		Mary Jelderks, MD
1200 E Ridgewood Ave Ste 306,
Ridgewood, NJ 07450-3937

Ph: (201) 389-0096

Reviews and Comments


Internal Medicine Doctors in Ridgewood, NJ

Dr. John Franklyn Riefler Iii, M.D.
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Dr. Harini Mallipeddi, M.D
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Phone: 848-228-0280    
Dr. Simon John Tsiouris, M.D.
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Gerald Sotsky, MD
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Practice Location: 1200 E. Ridgewood Avenue, Ridgewood, NJ 07450
Phone: 201-670-8660    Fax: 201-447-1957
Dr. Mark David Kirschenbaum, M.D.
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Practice Location: 104 Chestnut St, Ridgewood, NJ 07450
Phone: 201-670-4664    Fax: 201-670-8007
Rhoda Harriet Cobin, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 75 N Maple Ave, Suite 202, Ridgewood, NJ 07450
Phone: 201-444-5963    Fax: 201-444-4490

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.