NPPES file of Aug 9, 2026

Cristin Razvan Opreanu, MD

Colon & Rectal Surgery Physician · Lansing, MI

Cristin Razvan Opreanu, MD is a colon & rectal surgery physician with a practice address in Lansing, Michigan, and NPI 1235375585, issued on Dec 16, 2008. Check the license (Michigan 4301093541, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235375585
Name
Cristin Razvan Opreanu
Credential
MD
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License number
4301093541 MI
Self-reported in NPPES; status is on the state search
Practice location
1627 Lake Lansing RD Ste 100, Lansing, MI 48912
Phone
(517) 372-0500
Enumerated
Dec 16, 2008
Record last updated
May 28, 2026
Fax
(517) 482-3220
Medicare enrollment
Enrolled (PECOS I20160413001677); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1627 Lake Lansing RD Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Daniel Coffey, M.D.Colon & Rectal Surgery Physician1710961305
  2. Lucas Julien, M.D.Colon & Rectal Surgery Physician1821213315

Verify Cristin Razvan Opreanu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301093541
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average colon & rectal surgery physician in 2024

451 Medicare Part D claims for 334 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Cristin Opreanu451
  2. Specialty average192

Most prescribed

  1. Gavilyte-G112 claims
  2. Peg-3350 And Electrolytes99 claims
  3. Sutab37 claims
  4. Hydrocortisone34 claims
  5. Metronidazole26 claims
  6. Neomycin Sulfate26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $187.89

9 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cristin Opreanu$187.89
  2. Specialty average$3,468.16

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Edward W Sparrow Hospital AssociationLansing, MI
  2. Troy Gastroenterology PCLansing, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cristin Razvan Opreanu among 87 colon & rectal surgery physician records in Michigan

Cristin Razvan Opreanu, MD is one of 87 colon & rectal surgery physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 36% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2003 · median 2004 among the 63 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Colon & Rectal Surgery Physician providers in Michigan

There are 87 colon & rectal surgery physician records in Michigan.

The 8 colon & rectal surgery physician records with the nearest ZIP codes

  1. Daniel Coffey, M.D.Lansing, MI 489121710961305
  2. Lucas Julien, M.D.Lansing, MI 489121821213315
  3. Darcy Shaw, M.D.Lansing, MI 489121942438643
  4. Robert Brickner, M.C.Lansing, MI 489061891779401
  5. Albert Moeller, M.D.Lansing, MI 489061750365359
  6. Theodor Asgeirsson, MDGreenville, MI 488381255480067
  7. Jacquelyn Charbel, DOEast Lansing, MI 488231760623318
  8. Ed Itawi, MDKalamazoo, MI 490071366645574

Common questions

What is Cristin Razvan Opreanu, MD's NPI number?

Cristin Razvan Opreanu, MD's National Provider Identifier (NPI) is 1235375585, issued on Dec 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Cristin Razvan Opreanu, MD located?

The NPPES record lists a practice address at 1627 Lake Lansing RD Ste 100, Lansing, MI, 48912. Phone: (517) 372-0500. Providers update this record themselves, so call before visiting.

How can I verify Cristin Razvan Opreanu, MD's license?

NPPES lists Michigan license number 4301093541, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cristin Razvan Opreanu, MD prescribe under Medicare Part D?

In 2024, Cristin Razvan Opreanu, MD had 451 Medicare Part D claims for 334 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.