Dr Cristin Razvan Opreanu, MD - Medicare General Surgery in Lansing, MI

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Dr Cristin Razvan Opreanu, MD is a medicare enrolled "Colon & Rectal Surgery" physician in Lansing, Michigan. He graduated from medical school in 2003 and has 23 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Troy Gastroenterology Pc, Edward W Sparrow Hospital Association and his current practice location is 1627 Lake Lansing Rd Ste 100, Lansing, Michigan. You can reach out to his office (for appointments etc.) via phone at (517) 372-0500.

Dr Cristin Razvan Opreanu is licensed to practice in Michigan (license number 4301093541) 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 1235375585.

Contact Information

Dr Cristin Razvan Opreanu, MD
1627 Lake Lansing Rd Ste 100,
Lansing, MI 48912-3788
(517) 372-0500
(517) 482-3220

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Physician's Profile

Full NameDr Cristin Razvan Opreanu
GenderMale
SpecialityGeneral Surgery
Experience23 Years
Location1627 Lake Lansing Rd Ste 100, Lansing, 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 Cristin Razvan Opreanu graduated from medical school in 2003
  NPI Data:
  • NPI Number: 1235375585
  • Provider Enumeration Date: 12/16/2008
  • Last Update Date: 05/28/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0840598553
  • Enrollment ID: I20160413001677

Medical Identifiers

Medical identifiers for Dr Cristin Razvan Opreanu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235375585NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 4301093541 (Michigan)Secondary
208C00000XColon & Rectal Surgery 4301093541 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Edward W Sparrow HospitalLansing, MIHospital
Sparrow Eaton HospitalCharlotte, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Troy Gastroenterology Pc973914399145
Edward W Sparrow Hospital Association6709799166696

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 Cristin Razvan Opreanu allows following entities to bill medicare on his behalf.
Entity NameTroy Gastroenterology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134180318
PECOS PAC ID: 9739143991
Enrollment ID: O20041117000300
Entity NameEdward W Sparrow Hospital Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457744666
PECOS PAC ID: 6709799166
Enrollment ID: O20150529000465

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 Cristin Razvan Opreanu 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 Cristin Razvan Opreanu, MD
1627 Lake Lansing Rd Ste 100,
Lansing, MI 48912-3788

Ph: (517) 372-0500		Dr Cristin Razvan Opreanu, MD
1627 Lake Lansing Rd Ste 100,
Lansing, MI 48912-3788

Ph: (517) 372-0500

Reviews and Comments



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.