Doctor profile · Federal record
Dr. Kenolisa Onwueme, M.D., PH.D.
Gastroenterology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Baltimore, MD
- NPI 1336283720
- Accepts Medicare
- MIPS 84.8 / 100 · 2023
- 20 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1838 Greene Tree RD, Suite 400
Baltimore, MD 212086391
(410) 602-7782
fax (410) 602-2438
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- March 7, 2013
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Maryland #D0069402 · Massachusetts #229454
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336283720. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
818
Distinct HCPCS
10
Medicare allowed
$111,640
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 140 | 140 | $173 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 136 | 105 | $92 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 85 | 83 | $136 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 73 | 66 | $132 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 71 | 70 | $97 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 61 | 55 | $81 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 56 | 56 | $258 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 37 | 37 | $189 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 35 | 35 | $110 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 33 | 31 | $59 |
In context: peer comparison
Among 49 peers in Baltimore Gastroenterology Physician, average services per provider: 49. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$15,416
Transactions
22
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 8 | $11,942.84 | |
| Aimmune Therapeutics, INC. | 1 | $3,187.50 | |
| Abbvie INC. | 11 | $237.49 | |
| Mallinckrodt Hospital Products INC. | 1 | $34.50 | |
| Ardelyx, INC. | 1 | $13.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
335
Patients
137
Total drug cost
$78,586
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 68 | 65 | $5,576 |
| Omeprazole | Generic | 54 | 22 | $786 |
| Pantoprazole Sodium | Generic | 43 | 11 | $536 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 33 | 0 | $9,435 |
| Linzess (Linaclotide) | Brand | 32 | 12 | $35,359 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 29 | 27 | $537 |
| Creon (Lipase/Protease/Amylase) | Brand | 18 | 0 | $22,620 |
| Esomeprazole Magnesium | Generic | 18 | 0 | $1,932 |
| Colestipol Hcl | Generic | 14 | 0 | $1,476 |
| Metoclopramide Hcl | Generic | 14 | 0 | $68 |
Frequently asked questions
What is Dr. Kenolisa Onwueme's medical specialty?
Dr. Kenolisa Onwueme practices Gastroenterology Physician in Baltimore, MD.
Where does Dr. Kenolisa Onwueme practice?
Dr. Kenolisa Onwueme practices at 1838 Greene Tree RD, Baltimore, MD 212086391. Office phone: 4106027782.
What is Dr. Kenolisa Onwueme's NPI?
Dr. Kenolisa Onwueme's National Provider Identifier (NPI) is 1336283720, issued by NPPES.
Does Dr. Kenolisa Onwueme accept Medicare assignment?
Yes. Dr. Kenolisa Onwueme accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenolisa Onwueme commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.