William Mitsos, MD - Medicare Obstetrics & Gynecology in Erie, PA

William Mitsos, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Erie, Pennsylvania. His current practice location is 2315 Myrtle St Ste 290, Erie, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (814) 452-5504.

William Mitsos is licensed to practice in Pennsylvania (license number MD052801L) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1578533774.

Contact Information

William Mitsos, MD
2315 Myrtle St Ste 290,
Erie, PA 16502-4609
(814) 452-5504
(814) 452-5514

Map and Direction




Physician's Profile

Full NameWilliam Mitsos
GenderMale
SpecialityObstetrics & Gynecology
Location2315 Myrtle St Ste 290, Erie, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1578533774
  • Provider Enumeration Date: 01/23/2006
  • Last Update Date: 11/23/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1153214531
  • Enrollment ID: I20040209000116

Medical Identifiers

Medical identifiers for William Mitsos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578533774NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology MD052801L (Pennsylvania)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. William Mitsos allows following entities to bill medicare on his behalf.
Entity NameWashington Physician Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316917669
PECOS PAC ID: 6103719562
Enrollment ID: O20040209000011
Entity NameUniversity Of Pittsburgh Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619935004
PECOS PAC ID: 8729990239
Enrollment ID: O20040308000883

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. William Mitsos 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
William Mitsos, MD
2315 Myrtle St Ste 290,
Erie, PA 16502-4609

Ph: (814) 452-5504
William Mitsos, MD
2315 Myrtle St Ste 290,
Erie, PA 16502-4609

Ph: (814) 452-5504

Reviews and Comments


Obstetrics & Gynecology Doctors in Erie, PA

Katharine Theresa Ressler, PA-C
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2500 W 12th St, Erie, PA 16505
Phone: 814-836-2600    
Dr. Sarah Elizabeth Achenbach, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 100 Peach St, Suite 300, Erie, PA 16507
Phone: 814-459-1851    
Dr. Lisa M Semple, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5035 Peach St, Erie, PA 16509
Phone: 814-877-3940    Fax: 814-877-3941
James Joseph Thomas Jr., MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: Women's Care Center Medical Services, 4402 Peach St. Suite 302, Erie, PA 16509
Phone: 814-866-2010    Fax: 814-868-3420
Dr. Caitlin Nicole Durr, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 118 E 2nd Street, Suite 1340, Erie, PA 16507
Phone: 814-877-8950    
David Jonathan Kadouri, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Peach St Ste 300, Erie, PA 16507
Phone: 814-459-1851    
Joanne Finn, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 100 Peach St, Erie, PA 16507
Phone: 814-459-1851    Fax: 814-456-0541

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.