Doctor profile · Federal record
Dr. Viju Deenadayalu, MD
Gastroenterology Physician (CMS: Gastroenterology) · Portland, OR
- NPI 1922270735
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1111 Ne 99Th Ave
Portland, OR 972209428
(503) 963-2707
fax (503) 963-2802 - Additional location
-
9300 Se 91St Ave Ste 300
Clackamas, OR 970863762 - Mailing address
-
541 Ne 20Th Ave Ste 225
Portland, OR 972322895
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- November 4, 2024
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Oregon #MD28326
- Medicaid (2)
- WA #8512311 · OR #242524
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922270735. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
318
Distinct HCPCS
9
Medicare allowed
$32,799
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 124 | 69 | $37 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 48 | 47 | $244 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 46 | 46 | $95 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 22 | $93 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $114 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $170 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 15 | $131 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $94 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 11 | $126 |
In context: peer comparison
Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 5.4× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 1 | $34.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
286
Patients
132
Total drug cost
$24,686
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 87 | 87 | $1,735 |
| Omeprazole | Generic | 67 | 21 | $918 |
| Budesonide Dr (Budesonide) | Brand | 22 | 0 | $1,193 |
| Mesalamine ER (Mesalamine) | Brand | 21 | 0 | $5,664 |
| Linzess (Linaclotide) | Brand | 19 | 0 | $9,878 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 18 | 0 | $435 |
| Pantoprazole Sodium | Generic | 14 | 0 | $241 |
| Mesalamine | Generic | 13 | 0 | $3,406 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 13 | 13 | $992 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 12 | 11 | $225 |
Frequently asked questions
What is Dr. Viju Deenadayalu's medical specialty?
Dr. Viju Deenadayalu practices Gastroenterology Physician in Portland, OR.
Where does Dr. Viju Deenadayalu practice?
Dr. Viju Deenadayalu practices at 1111 Ne 99Th Ave, Portland, OR 972209428. Office phone: 5039632707.
What is Dr. Viju Deenadayalu's NPI?
Dr. Viju Deenadayalu's National Provider Identifier (NPI) is 1922270735, issued by NPPES.
Does Dr. Viju Deenadayalu accept Medicare assignment?
Yes. Dr. Viju Deenadayalu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Viju Deenadayalu commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.