Physician Profile
Ramon J. Castro, MD
Unclaimed ProfileAbout Dr. Castro
Ramon J. Castro, MD is a healthcare provider in Chicago, IL specializing in internal medicine. Medicare claims data shows Ramon provided 151 services to 89 patients. The services billed most often include ultrasound study of one arm or leg veins with compression and maneuvers, ultrasound study of arm or leg veins with compression and maneuvers, and laser destruction of incompetent vein of arm or leg using imaging guidance.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (773) 685-7816
- Email not available
Practice Locations
5544 W BELMONT AVE
Chicago, IL 60641
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
151 services · 89 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Laser destruction of incompetent vein of arm or leg using imaging guidance | Procedure | 36478 |
42 | |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
48 | As often as other peers in Internal Medicine |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
42 | As often as other peers in Internal Medicine |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
19 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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 internists in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Laser destruction of incompetent vein of arm or leg using imaging guidance 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Castro specialize in?
Dr. Castro is an internist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dr. Castro located?
Dr. Castro is listed at 5544 W Belmont Ave, Chicago, IL 60641. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Castro's phone number?
The number on file is (773) 685-7816. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Castro?
Dr. Castro's National Provider Identifier is 1710916663. 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. Castro go to medical school?
Dr. Castro attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Castro have?
Dr. Castro has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Castro do most often?
According to Medicare billing data, Dr. Castro performs procedures including laser destruction of incompetent vein of arm or leg using imaging guidance; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound study of arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Castro's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Castro. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.