Mark Welber, DO - Medicare Emergency Medicine in Livingston, NJ

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Mark Welber, DO is a medicare enrolled "Emergency Medicine" physician in Livingston, New Jersey. He went to Rowan University School Of Osteopathic Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Atlantic Urgent Care, Llc, Newton Emergency Medical Associates Llc, Rwjbh Observation Associates Llc and his current practice location is 94 Old Short Hills Rd, Livingston, New Jersey. You can reach out to his office (for appointments etc.) via phone at (973) 322-5000.

Mark Welber is licensed to practice in New Jersey (license number 25MB05675700) 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 1285654244.

Contact Information

Mark Welber, DO
94 Old Short Hills Rd,
Livingston, NJ 07039-5672
(973) 322-5000
Not Available

Map and Direction




Physician's Profile

Full NameMark Welber
GenderMale
SpecialityEmergency Medicine
Experience34 Years
Location94 Old Short Hills Rd, Livingston, New Jersey
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:
  • Mark Welber attended and graduated from Rowan University School Of Osteopathic Medicine in 1990
  NPI Data:
  • NPI Number: 1285654244
  • Provider Enumeration Date: 07/20/2006
  • Last Update Date: 07/13/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9335207760
  • Enrollment ID: I20081029000075

Medical Identifiers

Medical identifiers for Mark Welber such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285654244NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 25MB05675700 (New Jersey)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Newton Medical CenterNewton, NJHospital
Saint Barnabas Medical CenterLivingston, NJHospital
Morristown Medical CenterMorristown, NJHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Atlantic Urgent Care, Llc226467966122
Newton Emergency Medical Associates Llc367873505730
Rwjbh Observation Associates Llc5193137503639

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. Mark Welber allows following entities to bill medicare on his behalf.
Entity NameSaint Barnabas Multi Specialty
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780632992
PECOS PAC ID: 3072500727
Enrollment ID: O20040427000024
Entity NameNewton Emergency Medical Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306118344
PECOS PAC ID: 3678735057
Enrollment ID: O20120501000411
Entity NameBarnabas Health Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841557246
PECOS PAC ID: 9537316955
Enrollment ID: O20120820000951
Entity NameAtlantic Urgent Care, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023358959
PECOS PAC ID: 2264679661
Enrollment ID: O20130502000023
Entity NameSbmc Provider Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942748983
PECOS PAC ID: 8729344569
Enrollment ID: O20171109003416
Entity NameAtlantic Advanced Urgent Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104309277
PECOS PAC ID: 4385986330
Enrollment ID: O20190424000040
Entity NameRwjbh Observation Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760095806
PECOS PAC ID: 5193137503
Enrollment ID: O20201209000008
Entity NameRwjbh Emergency Medicine Associates, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912510041
PECOS PAC ID: 0941612840
Enrollment ID: O20201217002547

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. Mark Welber 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
Mark Welber, DO
Po Box 717,
Livingston, NJ 07039-0717

Ph: (973) 740-0607		Mark Welber, DO
94 Old Short Hills Rd,
Livingston, NJ 07039-5672

Ph: (973) 322-5000

Reviews and Comments


Emergency Medicine Doctors in Livingston, NJ

Dr. Gregory Joseph Rokosz, D.O.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 94 Old Short Hills Rd, Livingston, NJ 07039
Phone: 973-322-5733    Fax: 973-322-8360
Jonathan Winograd, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 94 Old Short Hills Rd, Livingston, NJ 07039
Phone: 973-322-5000    
Francis Lamorte, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 94 Old Short Hills Rd, Saint Barnabas Medical Center, Livingston, NJ 07039
Phone: 973-322-5000    
Melissa Liza Yu Dang, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 94 Old Short Hills Rd, Livingston, NJ 07039
Phone: 973-322-5180    
Dr. Kimmerle Anne Pawar, M.D., M.P.H
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 94 Old Short Hills Rd, Livingston, NJ 07039
Phone: 973-322-5111    
Fredric Schwartz, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 94 Old Short Hills Rd, Saint Barnabas Medical Center, Livingston, NJ 07039
Phone: 973-322-5180    
Lejla Mujic, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 94 Old Short Hills Rd, Saint Barnabas Medical Center, Livingston, NJ 07039
Phone: 973-322-5000    

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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