Cassandra Williams, MD in Amherst, NY - Medicare Internal Medicine

Cassandra Williams, MD is a medicare enrolled "Internal Medicine" physician in Amherst, New York. Her current practice location is 3980a Sheridan Dr Ste 200, Amherst, New York. You can reach out to her office (for appointments etc.) via phone at (716) 309-4772.

Cassandra Williams is licensed to practice in New York (license number 302772) 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 1558546820.

Contact Information

	Cassandra Williams, MD
	3980a Sheridan Dr Ste 200, Amherst, NY 14226-1741
	(716) 309-4772
	Not Available

Map and Direction

Physician's Profile

Full Name	Cassandra Williams
Gender	Female
Speciality	Internal Medicine
Location	3980a Sheridan Dr Ste 200, Amherst, New York
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1558546820
Provider Enumeration Date: 01/07/2008
Last Update Date: 10/30/2020

Medicare PECOS Information:

PECOS PAC ID: 0345313532
Enrollment ID: I20080722000113

Medical Identifiers

Medical identifiers for Cassandra Williams such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1558546820	NPI	-	NPPES
06012940	Medicaid	NY
N0002C	Medicaid	SC
5909659	Medicaid	NC

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	200800022 (North Carolina)	Secondary
207R00000X	Internal Medicine	302772 (New York)	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. Cassandra Williams allows following entities to bill medicare on her behalf.

Entity Name	Caromont Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1356314272 PECOS PAC ID: 3577476258 Enrollment ID: O20031201000070

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. Cassandra Williams 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
Cassandra Williams, MD Po Box 488, Buffalo, NY 14240-0488 Ph: (866) 853-9551	Cassandra Williams, MD 3980a Sheridan Dr Ste 200, Amherst, NY 14226-1741 Ph: (716) 309-4772

Reviews and Comments

Internal Medicine Doctors in Amherst, NY

Ahmad Mafi, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3980a Sheridan Dr Ste 200, Amherst, NY 14226 Phone: 716-833-2200
Dawn S Harbatkin, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3980 Sheridan Dr, Amherst, NY 14226 Phone: 716-250-2000 Fax: 716-819-3821
Richard Vienne, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1185 Sweet Home Rd, Amherst, NY 14226 Phone: 716-689-0040 Fax: 716-568-2334
Bradley Carrier, MD, MS Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2350 Maple Rd, Amherst, NY 14221 Phone: 716-688-6500
Dr. Rakhi Shah Barkowski, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3980a Sheridan Dr Ste 200, Amherst, NY 14226 Phone: 716-852-4772
Riffat Sadiq, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 4979 Harlem Rd, Suite 1, Amherst, NY 14226 Phone: 716-923-4380 Fax: 716-923-4384
Kristin Ann Matteson, D.O. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1306 Sweet Home Rd, Amherst, NY 14228 Phone: 716-838-3188 Fax: 716-838-1297

Cassandra Williams, MD - Medicare Internal Medicine in Amherst, NY