Doctor profile · Federal record
Dr. Michael Chiorean, MD
Gastroenterology Physician (CMS: Gastroenterology) · Issaquah, WA
- NPI 1578527099
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
751 Ne Blakely Dr Ste 3020
Issaquah, WA 980296201
(425) 313-5345
fax (425) 313-4704 - Mailing address
-
Po Box 25608
Salt Lake City, UT 841250608
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- May 4, 2021
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Washington #MD60284903
- Medicaid
- WA #1578527099
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578527099. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
235
Distinct HCPCS
9
Medicare allowed
$42,021
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 72 | 72 | $268 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 47 | 38 | $143 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 28 | 28 | $125 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 20 | 20 | $136 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $184 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 12 | $190 | |
91110 |
Imaging of digestive tract done from the inside of the digestive tract | 13 | 13 | $121 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $99 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $102 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 24. This provider delivers 9.8× the peer median.Open Payments
Industry payments received
All-time total
$313,355
Transactions
287
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 87 | $112,507.82 | |
| PFIZER INC. | 43 | $56,125.74 | |
| Lilly USA, LLC | 47 | $48,548.64 | |
| E.R. Squibb & Sons, L.L.C. | 32 | $26,771.97 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 20 | $21,472.02 | |
| Janssen Biotech, Inc. | 22 | $16,709.05 | |
| Janssen Scientific Affairs, LLC | 16 | $12,540.20 | |
| Celgene Corporation | 6 | $9,781.82 | |
| Celltrion USA Inc. | 8 | $8,518.18 | |
| Laborie Medical Technologies Corp. | 1 | $190.07 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $93.95 | |
| 3-D Matrix, Inc. | 1 | $52.32 | |
| CapsoVision, Inc. | 1 | $24.77 | |
| Merck Sharp & Dohme LLC | 1 | $18.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
359
Patients
215
Total drug cost
$1,034,656
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 116 | 111 | $1,994 |
| Omeprazole | Generic | 33 | 14 | $511 |
| Stelara (Ustekinumab) | Brand | 33 | 0 | $929,508 |
| Mesalamine | Generic | 28 | 11 | $24,036 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 25 | 25 | $444 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 22 | 22 | $572 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 18 | 18 | $322 |
| Amitriptyline Hcl | Generic | 17 | 0 | $159 |
| Azathioprine | Generic | 16 | 0 | $1,596 |
| Imipramine Hcl | Generic | 14 | 0 | $124 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Chiorean's medical specialty?
Dr. Michael Chiorean practices Gastroenterology Physician in Issaquah, WA.
Where does Dr. Michael Chiorean practice?
Dr. Michael Chiorean practices at 751 Ne Blakely Dr Ste 3020, Issaquah, WA 980296201. Office phone: 4253135345.
What is Dr. Michael Chiorean's NPI?
Dr. Michael Chiorean's National Provider Identifier (NPI) is 1578527099, issued by NPPES.
Does Dr. Michael Chiorean accept Medicare assignment?
Yes. Dr. Michael Chiorean accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Chiorean commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.