Margaret H Eng, MD - Medicare Internal Medicine in Long Branch, NJ

Margaret H Eng, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Long Branch, New Jersey. Her current practice location is 300 2nd Ave, Long Branch, New Jersey. You can reach out to her office (for appointments etc.) via phone at (732) 923-7100.

Margaret H Eng is licensed to practice in New Jersey (license number 25MA07119700) 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 1386693448.

Contact Information

Margaret H Eng, MD
300 2nd Ave,
Long Branch, NJ 07740-6303
(732) 923-7100
(732) 923-7104

Map and Direction




Physician's Profile

Full NameMargaret H Eng
GenderFemale
SpecialityInternal Medicine - Infectious Disease
Location300 2nd Ave, Long Branch, New Jersey
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1386693448
  • Provider Enumeration Date: 05/08/2006
  • Last Update Date: 09/08/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0042282121
  • Enrollment ID: I20040810000107

Medical Identifiers

Medical identifiers for Margaret H Eng such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386693448NPI-NPPES
8366403MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine V (New Jersey)Secondary
207RI0200XInternal Medicine - Infectious Disease 25MA07119700 (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. Margaret H Eng allows following entities to bill medicare on her behalf.
Entity NameMonmouth Medical Center Faculty Practice Plan, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023064441
PECOS PAC ID: 8527971563
Enrollment ID: O20031106000595
Entity NameMmc Provider Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932647872
PECOS PAC ID: 9133555626
Enrollment ID: O20200131000598

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. Margaret H Eng 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
Margaret H Eng, MD
Po Box 8000, Dept 601,
Buffalo, NJ 14267-0002

Ph: (866) 295-0041
Margaret H Eng, MD
300 2nd Ave,
Long Branch, NJ 07740-6303

Ph: (732) 923-7100

Reviews and Comments


Internal Medicine Doctors in Long Branch, NJ

Dr. Rita Watson, M.D.
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 215 Brighton Ave, Long Branch, NJ 07740
Phone: 732-222-1543    Fax: 732-774-9148
Annapurna Lakshmi Sravanti Mandalika, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 300 2nd Ave, Long Branch, NJ 07740
Phone: 732-822-7639    
Montaser Alrjoob, MD
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 300 2nd Ave, Long Branch, NJ 07740
Phone: 732-923-6501    
Sara Ghotb, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 300 2nd Ave, Long Branch, NJ 07740
Phone: 732-923-5000    
Eric Rehr, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: Monmouth Medical C Enter (emergency Department), 300 Second Avenue, Long Branch, NJ 07740
Phone: 732-923-7386    
Dr. Kenneth Mark Granet, M.D.
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 166 Morris Ave, Long Branch, NJ 07740
Phone: 732-229-2020    Fax: 732-229-2255
Glenn Alan Zwerin, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 133 Pavilion Ave, Long Branch, NJ 07740
Phone: 732-222-7650    Fax: 732-222-7850

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.