Mrs Iryna G Chastain, MD in Worcester, MA - Medicare Internal Medicine

Mrs Iryna G Chastain, MD is a medicare enrolled "Internal Medicine" physician in Worcester, Massachusetts. She graduated from medical school in 1997 and has 28 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Reliant Medical Group Inc and her current practice location is 123 Summer St, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 363-5000.

Mrs Iryna G Chastain is licensed to practice in Massachusetts (license number 238742) 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 1285801407.

Contact Information

	Mrs Iryna G Chastain, MD
	123 Summer St, Worcester, MA 01608-1216
	(508) 363-5000
	Not Available

Map and Direction

Physician's Profile

Full Name	Mrs Iryna G Chastain
Gender	Female
Speciality	Internal Medicine
Experience	28 Years
Location	123 Summer St, Worcester, Massachusetts
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:

Mrs Iryna G Chastain graduated from medical school in 1997

NPI Data:

NPI Number: 1285801407
Provider Enumeration Date: 05/15/2008
Last Update Date: 03/09/2020

Medicare PECOS Information:

PECOS PAC ID: 7618028606
Enrollment ID: I20090702000539

Medical Identifiers

Medical identifiers for Mrs Iryna G Chastain such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1285801407	NPI	-	NPPES
110083584A	Medicaid	MA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	238742 (Massachusetts)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
St Vincent Hospital	Worcester, MA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Reliant Medical Group Inc	5597755322	573

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. Mrs Iryna G Chastain allows following entities to bill medicare on her behalf.

Entity Name	Reliant Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1720017528 PECOS PAC ID: 5597755322 Enrollment ID: O20040708000650

Entity Name	Steward Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629398219 PECOS PAC ID: 2860688728 Enrollment ID: O20101119000332

Entity Name	Physicians Of Cape Cod Hospital
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1679832364 PECOS PAC ID: 9638326671 Enrollment ID: O20120828000193

Entity Name	Vibra Physicians Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1659705424 PECOS PAC ID: 8921233933 Enrollment ID: O20140213000276

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. Mrs Iryna G Chastain 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
Mrs Iryna G Chastain, MD 5 Neponset Street, Wot 2nd Fl, Ste C203, Worcester, MA 01606-2714 Ph: (508) 852-0600	Mrs Iryna G Chastain, MD 123 Summer St, Worcester, MA 01608-1216 Ph: (508) 363-5000

Reviews and Comments

Internal Medicine Doctors in Worcester, MA

Dr. Adepeju Gbadebo Champion, M.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-2731 Fax: 774-442-4672
Madaiah Lokeshwari, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 123 Summer St, Worcester, MA 01608 Phone: 508-363-6849
Sowmya Korapati, Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-3550 Fax: 774-442-6715
Lihong Huo, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 123 Summer St Ste 655, Worcester, MA 01608 Phone: 888-277-0071 Fax: 508-363-9037
Dr. Herman Anthony Carneiro, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-3452
Irma Nadeem Hashmi, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 55 Lake Ave N, Worcester, MA 01655 Phone: 508-334-1000
Dr. Madhav Sharma, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 123 Summer St, Worcester, MA 01608 Phone: 508-363-5438

Mrs Iryna G Chastain, MD - Medicare Internal Medicine in Worcester, MA