Physician Profile
Unclaimed ProfileAbout OSAN
Christopher Michael Osan, M.D. is a healthcare provider in Valparaiso, IN specialising in family practice. Christopher is also listed as specialising in family medicine. Medicare claims data shows Christopher provided 901 services to 764 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Osan specialise in?
Dr. Osan is a family practice in Valparaiso, IN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Osan located?
Dr. Osan is listed at 3800 SAINT MARY RD STE 205, Valparaiso, IN 46383. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Osan's phone number?
The number on file is (219) 286-3768. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Osan?
Dr. Osan's National Provider Identifier is 1427477413. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Osan go to medical school?
Dr. Osan attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Osan have?
Dr. Osan has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Osan do most often?
According to Medicare billing data, Dr. Osan provides treatments such as pneumococcal conjugate vaccine, 20 valent , for intramuscular use and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Osan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Osan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (219) 286-3768
- Email not available
Practice Locations
3800 SAINT MARY RD STE 205
Valparaiso, IN 46383
Procedures Most Often Billed to Medicare
901 services · 764 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
26 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
200 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
159 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
127 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
112 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
71 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
26 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
26 |
| Administration of influenza virus vaccine | Billing code | G0008 |
24 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Valparaiso 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 8
Providers in IN who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.