Stephen J Ryzewicz, MD - Medicare Hospitalist in Springfield, MA

Stephen J Ryzewicz, MD is a medicare enrolled "Internal Medicine" physician in Springfield, Massachusetts. He went to University Of Massachusetts Medical School and graduated in 1984 and has 40 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Baystate Medical Practices Inc and his current practice location is 759 Chestnut St, Springfield, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (413) 794-6297.

Stephen J Ryzewicz is licensed to practice in Massachusetts (license number 57441) 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 1689774796.

Contact Information

Stephen J Ryzewicz, MD
759 Chestnut St,
Springfield, MA 01107-1619
(413) 794-6297
(413) 794-1767



Physician's Profile

Full NameStephen J Ryzewicz
GenderMale
SpecialityHospitalist
Experience40 Years
Location759 Chestnut St, Springfield, Massachusetts
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:
  • Stephen J Ryzewicz attended and graduated from University Of Massachusetts Medical School in 1984
  NPI Data:
  • NPI Number: 1689774796
  • Provider Enumeration Date: 09/25/2006
  • Last Update Date: 04/17/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8022057355
  • Enrollment ID: I20050427000175

Medical Identifiers

Medical identifiers for Stephen J Ryzewicz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689774796NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2083A0300XPreventive Medicine - Addiction Medicine 57441 (Massachusetts)Secondary
208M00000XHospitalist 57441 (Massachusetts)Secondary
207R00000XInternal Medicine 57441 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Baystate Medical CenterSpringfield, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Baystate Medical Practices Inc59916029711015

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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. Stephen J Ryzewicz allows following entities to bill medicare on his behalf.
Entity NameBaystate Medical Practices Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548205909
PECOS PAC ID: 5991602971
Enrollment ID: O20040225000080

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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. Stephen J Ryzewicz 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
Stephen J Ryzewicz, MD
280 Chestnut St, 2nd Floor,
Springfield, MA 01199-1001

Ph: (413) 794-5700
Stephen J Ryzewicz, MD
759 Chestnut St,
Springfield, MA 01107-1619

Ph: (413) 794-6297

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Internal Medicine Doctors in Springfield, MA

Grace Makari-judson, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3350 Main Street, Springfield, MA 01107
Phone: 413-794-9338    Fax: 413-794-9754
Peter Whittredge, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2 Medical Center Dr, Suite 410, Springfield, MA 01107
Phone: 413-781-5735    Fax: 413-732-0225
Dr. Marc A Goldman, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 175 Carew St Ste 200, Springfield, MA 01104
Phone: 413-732-4269    Fax: 413-785-4619
Twara K Tarasaria, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 759 Chestnut St, Springfield, MA 01107
Phone: 413-794-6297    Fax: 413-794-1767
Dr. Joan Wanda Lisak, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 780 Chestnut St, Suite 20, Springfield, MA 01107
Phone: 413-781-2200    Fax: 413-781-2202
Dr. Eva Karacsonyi, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2150 Main Street, Springfield, MA 01104
Phone: 413-739-5676    Fax: 413-739-2278
Dr. Sun Tien Lin, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 125 Liberty St, Suite 204, Springfield, MA 01103
Phone: 413-788-4321    Fax: 413-788-8877

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