Dr John William Chatas, MD - Medicare Interventional Pain Management in Ypsilanti, MI

Dr John William Chatas, MD is a medicare enrolled "Pain Medicine - Interventional Pain Medicine" physician in Ypsilanti, Michigan. He went to University Of Michigan Medical School and graduated in 1987 and has 37 years of diverse experience with area of expertise as Interventional Pain Management. He is a member of the group practice Michigan Pain Specialists, Pllc and his current practice location is 135 S Prospect St, Ypsilanti, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 547-4860.

Dr John William Chatas is licensed to practice in Michigan (license number 4301051247) 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 1083710107.

Contact Information

Dr John William Chatas, MD
135 S Prospect St,
Ypsilanti, MI 48198-7914
(734) 547-4860
(734) 547-4871

Map and Direction




Physician's Profile

Full NameDr John William Chatas
GenderMale
SpecialityInterventional Pain Management
Experience37 Years
Location135 S Prospect St, Ypsilanti, Michigan
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:
  • Dr John William Chatas attended and graduated from University Of Michigan Medical School in 1987
  NPI Data:
  • NPI Number: 1083710107
  • Provider Enumeration Date: 09/16/2006
  • Last Update Date: 06/16/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5193616027
  • Enrollment ID: I20050104001067

Medical Identifiers

Medical identifiers for Dr John William Chatas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083710107NPI-NPPES
1589691OtherMIUNITED HEALTHCARE NO
4591478OtherMIAETNA INDIVIDUAL NO
0813502OtherMIBCBS OF MI PIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208VP0014XPain Medicine - Interventional Pain Medicine 4301051247 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Forest Health Medical CenterYpsilanti, MIHospital
Emma L Bixby Medical CenterAdrian, MIHospital
University Of Michigan Health SystemAnn arbor, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Michigan Pain Specialists, Pllc07491716504

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 John William Chatas allows following entities to bill medicare on his behalf.
Entity NameMichigan Pain Specialists, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811057490
PECOS PAC ID: 0749171650
Enrollment ID: O20040322000761

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 John William Chatas 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
Dr John William Chatas, MD
135 S Prospect St,
Ypsilanti, MI 48198-7914

Ph: (734) 547-4860
Dr John William Chatas, MD
135 S Prospect St,
Ypsilanti, MI 48198-7914

Ph: (734) 547-4860

Reviews and Comments


Pain Medicine Doctors in Ypsilanti, MI

Dr. Louis David Bojrab, MD
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 135 S Prospect St, Ypsilanti, MI 48198
Phone: 734-547-4860    Fax: 734-547-4871
Dr. Karen Mary Park, M.D.
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5325 Elliott Drive, Suite 100 St. Joseph Mercy Pain Institute, Ypsilanti, MI 48105
Phone: 734-712-5898    Fax: 734-712-5084
Timothy Wright, MD
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5301 E Huron River Dr, Ypsilanti, MI 48197
Phone: 734-712-5898    
Dr. Edward Peter Washabaugh Iii, MD
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 135 S Prospect St, Ypsilanti, MI 48198
Phone: 734-547-4860    Fax: 734-547-4871

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.