Doctor profile · Federal record
Dr. Demetrios Tzimas, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Huntington, NY
- NPI 1568605152
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
195 E Main St Ste B
Huntington, NY 117432957
(631) 549-8181
fax (631) 385-8280
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- November 3, 2020
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #260464
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568605152. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,338
Distinct HCPCS
10
Medicare allowed
$222,907
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 299 | 266 | $151 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 196 | 146 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 143 | 125 | $149 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 96 | 89 | $102 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 73 | 73 | $196 | |
43264 |
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 58 | 47 | $114 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 58 | 56 | $215 | |
43259 |
Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 54 | 53 | $214 | |
43274 |
Insertion of stent into pancreatic or bile duct using a flexible endoscope | 50 | 49 | $538 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 48 | 47 | $124 |
In context: peer comparison
Among 4 peers in Huntington Gastroenterology Physician, average services per provider: 63. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$333
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Galvanize Therapeutics, INC | 1 | $147.29 | |
| Steris Corporation | 1 | $98.31 | |
| Boston Scientific Corporation | 1 | $50.91 | |
| Olympus America INC. | 1 | $36.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
128
Patients
48
Total drug cost
$83,610
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 57 | 30 | $1,259 |
| Pantoprazole Sodium | Generic | 28 | 0 | $371 |
| Ciprofloxacin Hcl | Generic | 19 | 18 | $114 |
| Creon (Lipase/Protease/Amylase) | Brand | 12 | 0 | $32,434 |
| Xifaxan (Rifaximin) | Brand | 12 | 0 | $49,431 |
Hospital affiliations
Frequently asked questions
What is Dr. Demetrios Tzimas's medical specialty?
Dr. Demetrios Tzimas practices Gastroenterology Physician in Huntington, NY.
Where does Dr. Demetrios Tzimas practice?
Dr. Demetrios Tzimas practices at 195 E Main St Ste B, Huntington, NY 117432957. Office phone: 6315498181.
What is Dr. Demetrios Tzimas's NPI?
Dr. Demetrios Tzimas's National Provider Identifier (NPI) is 1568605152, issued by NPPES.
Does Dr. Demetrios Tzimas accept Medicare assignment?
Yes. Dr. Demetrios Tzimas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Demetrios Tzimas commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.