Dr Matilda Sylvia Mason, MD in Hackettstown, NJ

Dr Matilda Sylvia Mason, MD is a medicare enrolled "Internal Medicine" physician in Hackettstown, New Jersey. She graduated from medical school in 2002 and has 23 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Practice Associates Medical Group and her current practice location is 651 Willow Grove St, Hackettstown, New Jersey. You can reach out to her office (for appointments etc.) via phone at (908) 441-1161.

Dr Matilda Sylvia Mason is licensed to practice in New Jersey (license number 25MA09712200) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1205141959.

Contact Information

	Dr Matilda Sylvia Mason, MD
	651 Willow Grove St, Hackettstown, NJ 07840-1799
	(908) 441-1161
	(973) 383-4572

Map and Direction

Physician's Profile

Full Name	Dr Matilda Sylvia Mason
Gender	Female
Speciality	Internal Medicine
Experience	23 Years
Location	651 Willow Grove St, Hackettstown, New Jersey
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Matilda Sylvia Mason graduated from medical school in 2002

NPI Data:

NPI Number: 1205141959
Provider Enumeration Date: 08/18/2010
Last Update Date: 07/18/2025

Medicare PECOS Information:

PECOS PAC ID: 1254572100
Enrollment ID: I20160201000024

Medical Identifiers

Medical identifiers for Dr Matilda Sylvia Mason such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1205141959	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	268687 (New York)	Secondary
390200000X	Student In An Organized Health Care Education/training Program	(* (Not Available))	Secondary
207R00000X	Internal Medicine	25MA09712200 (New Jersey)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Karen Ann Quinlan Hospice	Newton, NJ	Hospice
Hackettstown Medical Center	Hackettstown, NJ	Hospital
Morristown Medical Center	Morristown, NJ	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Practice Associates Medical Group	5890703177	1299

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 Matilda Sylvia Mason allows following entities to bill medicare on her behalf.

Entity Name	St Lukes Warren Physician Group Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1467725184 PECOS PAC ID: 9739093675 Enrollment ID: O20031117000020

Entity Name	Practice Associates Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1427016385 PECOS PAC ID: 5890703177 Enrollment ID: O20060330000690

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 Matilda Sylvia Mason 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 Address	Practice Location Address
Dr Matilda Sylvia Mason, MD 651 Willow Grove St, Hackettstown, NJ 07840-1799 Ph: (908) 441-1161	Dr Matilda Sylvia Mason, MD 651 Willow Grove St, Hackettstown, NJ 07840-1799 Ph: (908) 441-1161

Reviews and Comments

Internal Medicine Doctors in Hackettstown, NJ

Parminderjeet S. Sandhu, Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 137 Mountain Ave, Hackettstown, NJ 07840 Phone: 908-852-1887
Dr. Lillian Johanna Theune, D.O. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 657 Willow Grove Street,, Suite 401, Hackettstown, NJ 07840 Phone: 908-850-7800 Fax: 908-850-7802
Dr. Gary John Devine, D.O. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 651 Willow Grove St, Hackettstown, NJ 07840 Phone: 908-441-1161
Dr. Anirudh Khanna, Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 687 Willow Grove St, Hackettstown, NJ 07840 Phone: 908-979-1302 Fax: 908-979-1493
Dr. Sanjay Kavathia, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 616 Willow Grove St, Unit 1a, Hackettstown, NJ 07840 Phone: 908-852-8484 Fax: 908-852-4197
Dr. Hassan Sajjad, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 653 Willow Grove St Ste 20002, Hackettstown, NJ 07840 Phone: 908-522-5120 Fax: 908-813-8326
Syed Mohsin Raza, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 117 Seber Rd, Doctors Park 2b, Hackettstown, NJ 07840 Phone: 908-684-0684

Dr Matilda Sylvia Mason, MD - Medicare Internal Medicine in Hackettstown, NJ