Christopher Michael Osan, M.D.
Family Medicine Physician · Valparaiso, IN
Christopher Michael Osan, M.D. is a family medicine physician with a practice address in Valparaiso, Indiana, and NPI 1427477413, issued on Apr 7, 2014. Check the license (Indiana 01078845A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Christopher Michael Osan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 01078845A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Saint Mary RD Ste 205, Valparaiso, IN 46383
- Phone
- (219) 286-3768
- Enumerated
- Apr 7, 2014
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20170928002388); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 3800 Saint Mary RD Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Pagliere Osan, M.D.Family Medicine Physician1760801658
Verify Christopher Michael Osan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01078845ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average family medicine physician in 2024
4,837 Medicare Part D claims for 415 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium413 claims
- Mounjaro259 claims
- Amlodipine Besylate212 claims
- Levothyroxine Sodium188 claims
- Metformin Hcl Er157 claims
- Lisinopril151 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: $2,939.11
138 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through 2 group practices
- Chesterton Physical Therapy IncChesterton, IN
- Community Care Network IncValparaiso, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Michael Osan among 3,506 family medicine physician records in Indiana
Christopher Michael Osan, M.D. is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2005 among the 2,196 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family medicine physician records list a practice address in Valparaiso
They are 32 of the 1,525 NPPES records with a practice address in Valparaiso, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in Valparaiso → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lonnie Ailes, M.D.Valparaiso, IN 463831881693083
- Faleh Atassi, M.D.Valparaiso, IN 463831346322393
- Joel Bates, DOValparaiso, IN 463831285738435
- Kenneth Blumenthal, DOValparaiso, IN 463831427053255
- Patrick Fleming, MDValparaiso, IN 463831669433256
- Sudhakar Garlapati, M.D.Valparaiso, IN 463831770518664
- Arjun Gupta, MDValparaiso, IN 463831982664207
- Ather Malik, DOValparaiso, IN 463831386616399
Common questions
What is Christopher Michael Osan, M.D.'s NPI number?
Christopher Michael Osan, M.D.'s National Provider Identifier (NPI) is 1427477413, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Michael Osan, M.D. located?
The NPPES record lists a practice address at 3800 Saint Mary RD Ste 205, Valparaiso, IN, 46383. Phone: (219) 286-3768. Providers update this record themselves, so call before visiting.
How can I verify Christopher Michael Osan, M.D.'s license?
NPPES lists Indiana license number 01078845A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Michael Osan, M.D. prescribe under Medicare Part D?
In 2024, Christopher Michael Osan, M.D. had 4,837 Medicare Part D claims for 415 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.