Physician Profile
Unclaimed ProfileAbout MASI
Based in Burr Ridge, IL, Christopher M Masi, MD is listed in the NPI registry under internal medicine. Christopher graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1989.
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 is Dr. Masi's specialty?
Dr. Masi is an internal medicine in Burr Ridge, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Masi?
Dr. Masi is listed at 180 HARVESTER DR STE 110, Burr Ridge, IL 60527. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Masi?
The number on file is (773) 834-4064. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Masi's NPI number?
Dr. Masi's National Provider Identifier is 1487716932. 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
What is Dr. Masi's medical education?
Dr. Masi attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Masi been practising?
Dr. Masi has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Masi known for?
According to Medicare billing data, Dr. Masi provides treatments such as influenza vaccine, inactivated and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Masi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Masi. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (773) 834-4064
- Email not available
Practice Locations
180 HARVESTER DR STE 110
Burr Ridge, IL 60527
Procedures Most Often Billed to Medicare
453 services · 389 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
14 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
139 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
88 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
65 |
| 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 |
44 |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
26 |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
25 |
| Administration of influenza virus vaccine | Billing code | G0008 |
16 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 |
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 internal medicines at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 28 related providers in 4 groups
Other internal medicines in Burr Ridge 4
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in IL 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.