Physician Profile
Melchor V. Demetria, M.D.
Unclaimed ProfileAbout Dr. Demetria
Based in Chicago, IL, Melchor V. Demetria, M.D. is listed in the NPI registry under gastroenterology. Melchor is also listed as specializing in internal medicine. According to Medicare claims data, Melchor cared for 129 Medicare patients across 144 services. The services billed most often include initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (312) 864-3251
- Email not available
Practice Locations
1901 W HARRISON ST
Chicago, IL 60612
3700 W 203rd St Ste 201
Olympia Fields, IL 60461
Conditions Commonly Evaluated or Treated
Within Gastroenterology 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
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
144 services · 129 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
29 | Less often than most peers in Gastroenterology |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
52 | More often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
39 | As often as other peers in Gastroenterology |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
24 | As often as other peers in Gastroenterology |
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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 32 related providers in 4 groups
Other gastroenterologists in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Melchor V. Demetria's specialty?
Melchor V. Demetria is a gastroenterologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Melchor V. Demetria?
Melchor V. Demetria is listed at 1901 W Harrison St, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Melchor V. Demetria?
The number on file is (312) 864-3251. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Melchor V. Demetria's NPI number?
Melchor V. Demetria's National Provider Identifier is 1316951304. 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 Melchor V. Demetria's education?
Melchor V. Demetria attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Melchor V. Demetria been practicing?
Melchor V. Demetria has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Melchor V. Demetria known for?
According to Medicare billing data, Melchor V. Demetria performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Melchor V. Demetria confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Melchor V. Demetria. 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.