Gina Chacon Osorio, MD
Rheumatology Physician · East Lansing, MI
Gina Chacon Osorio, MD is a rheumatology physician with a practice address in East Lansing, Michigan, and NPI 1245382795, issued on Jan 17, 2007. Check the license (Michigan 4301092791, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gina Chacon Osorio
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 4301092791 MI
35153807 OH
TRN8929 FL
69704 MN
60883 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4650 S Hagadorn RD Ste 100, East Lansing, MI 48823
- Phone
- (517) 353-4941
- Enumerated
- Jan 17, 2007
- Record last updated
- Jun 27, 2025
- Fax
- (517) 432-3145
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 226 in Michigan → Look up another NPI →
Also registered at 4650 S Hagadorn RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmad Abu Limon, MDEndocrinology, Diabetes & Metabolism Physician1881080406
- Saleh Al Dasouqi, MDEndocrinology, Diabetes & Metabolism Physician1710928015
- Reynard Bouknight, M.D.Internal Medicine Physician1962444307
- Christina Donley, NPFamily Nurse Practitioner1548494750
- Lindsey Ford, NPFamily Nurse Practitioner1003581646
- Laura Freilich, MDInternal Medicine Physician1912189895
Verify Gina Chacon Osorio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301092791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average rheumatology physician in 2024
874 Medicare Part D claims for 118 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Levothyroxine Sodium53 claims
- Atorvastatin Calcium46 claims
- Amlodipine Besylate42 claims
- Lisinopril41 claims
- Omeprazole36 claims
- Losartan Potassium30 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: $318.03
6 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gina Chacon Osorio among 226 rheumatology physician records in Michigan
Gina Chacon Osorio, MD is one of 226 rheumatology physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 40% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Michigan
There are 226 rheumatology physician records in Michigan.
All 226 in Michigan → Every provider in East Lansing → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Richard Pittsley, M.D.East Lansing, MI 488231902821671
- Niti Thakur, MDEast Lansing, MI 488231568657146
- Mir Asghar, M.D.Howell, MI 488431194752543
- Srijana Bakshi, M.DOkemos, MI 488641972764520
- Monika Mohan, M.D.Okemos, MI 488641295852895
- Carla Guggenheim, DOLansing, MI 489061477562643
- Justus Fiechtner, M.D.,M.P.H.Lansing, MI 489101164460887
- Mhd Iyad Alshwaf, MDLansing, MI 489111801399365
Common questions
What is Gina Chacon Osorio, MD's NPI number?
Gina Chacon Osorio, MD's National Provider Identifier (NPI) is 1245382795, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gina Chacon Osorio, MD located?
The NPPES record lists a practice address at 4650 S Hagadorn RD Ste 100, East Lansing, MI, 48823. Phone: (517) 353-4941. Providers update this record themselves, so call before visiting.
How can I verify Gina Chacon Osorio, MD's license?
NPPES lists Michigan license number 4301092791, 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 Gina Chacon Osorio, MD prescribe under Medicare Part D?
In 2024, Gina Chacon Osorio, MD had 874 Medicare Part D claims for 118 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.