DR. KENOLISA C ONWUEME M.D., PH.D.
NPI 1336283720
Internal Medicine - Gastroenterology in Baltimore, MD

Q: What is Kenolisa Onwueme's NPI number?

The NPI number for Kenolisa Onwueme is 1336283720. It was assigned to this individual provider in the NPPES registry on February 18, 2007.

Q: What is Kenolisa Onwueme's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Kenolisa Onwueme was last updated on March 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 18, 2007PECOS EnrolledAccepts Medicare Assignment

84.79/100

CMS Quality Rating

1838 GREENE TREE RD, SUITE 400, BALTIMORE, MD 21208(410) 602-7782(410) 602-2438 Get Directions Write a Review

NPPES record last updated: March 7, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Kenolisa C Onwueme M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KENOLISA C ONWUEME M.D., PH.D. (NPI 1336283720) is an individual gastroenterology provider in Baltimore, Maryland, licensed in Maryland (D0069402) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1336283720

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. KENOLISA C ONWUEMECredential: M.D., PH.D.

Location Address1838 GREENE TREE RD, SUITE 400Baltimore, MD 21208-6391

Mailing Address1838 Greene Tree Rd, Suite 400Baltimore, MD 21208-6391 · (410) 602-7782 · Fax (410) 602-2438

Phone(410) 602-7782

Fax(410) 602-2438

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateFebruary 18, 2007

Last NPPES UpdateMarch 7, 2013

✔ NPI 1336283720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MD · D0069402

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 229454 (MA), D0069402 (MD)

1838 GREENE TREE RD, Baltimore, MD 21208

Open in Google Maps ↗

Other Identifiers 1

Medicare PIN168850ZB1RMD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kenolisa C Onwueme M.d., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759421282

PECOS Enrollment IDI20091215000063

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

246 services246 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

151 services121 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

117 services116 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

94 services70 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

83 services81 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

73 services73 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

69 services58 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

50 services50 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

42 services42 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

37 services37 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

35 services35 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

28 services28 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

21 services21 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

16 services16 patients

Emergency department visit with straightforward medical decision making 99282

An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.

15 services15 patients

Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330

This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.

14 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210009

Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County

Emergency services Birthing friendly

University Of MD Baltimore Washington Medical Center

Acute Care Hospitals · Glen Burnie, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210043

Location301 Hospital DriveGlen Burnie, MD 21061 · Anne Arundel County

Emergency services Birthing friendly

Johns Hopkins Howard County Medical Center

Acute Care Hospitals · Columbia, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210048

Location5755 Cedar LaneColumbia, MD 21044 · Howard County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21208 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.79/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

69.7

Promoting Interoperability

100

Improvement Activities

Cost

79.62

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EDWARD ZIMMERMAN M.D.

Internal Medicine (Gastroenterology)

1838 GREENE TREE RD, STE 400
BALTIMORE, MD 21208

Baltimore County (410) 602-7782

KEN M ZONIES MD LLC

Internal Medicine

1838 GREENE TREE RD, STE 300
PIKESVILLE, MD 21208

Baltimore County (410) 653-0366

DR. NORBERT ZEMANKIEWICZ D.O.

Surgery

1838 GREENE TREE RD, SUITE 285
PIKESVILLE, MD 21208

Baltimore County (410) 602-0777

SHOSHANA COHEN O.D.

Optometrist

1838 GREENE TREE RD, SUITE 225
BALTIMORE, MD 21208

Baltimore County (410) 653-0200

MILAN WISTER M.D.

Internal Medicine

1838 GREENE TREE RD, SUITE 535
PIKESVILLE, MD 21208

Baltimore County (443) 438-4925

OROSZLAN LLC

Internal Medicine

1838 GREENE TREE RD, STE 300
PIKESVILLE, MD 21208

Baltimore County (410) 653-0366

CENTER FOR PAIN MANAGEMENT, LLC

Pain Medicine (Interventional Pain Medicine)

1838 GREENE TREE RD, SUITE 150
PIKESVILLE, MD 21208

Baltimore County (410) 383-7443

LIFEBRIDGE COMMUNITY GASTROENTEROLOGY, LLC

Internal Medicine (Gastroenterology)

1838 GREENE TREE RD, SUITE 400
PIKESVILLE, MD 21208

Baltimore County (410) 602-7782

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kenolisa Onwueme's NPI number?

The NPI number for Kenolisa Onwueme is 1336283720. It was assigned to this individual provider in the NPPES registry on February 18, 2007.

Where is Kenolisa Onwueme located?

Kenolisa Onwueme practices at 1838 Greene Tree Rd Suite 400, Baltimore, MD 21208. The listed phone number is (410) 602-7782.

What is Kenolisa Onwueme's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Kenolisa Onwueme enrolled in Medicare?

Yes. Kenolisa Onwueme is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Kenolisa Onwueme affiliated with any hospitals?

According to CMS data, Kenolisa Onwueme is affiliated with Johns Hopkins Hospital, The, University Of MD Baltimore Washington Medical Center and Johns Hopkins Howard County Medical Center.

When was this NPI record last updated?

The NPPES record for Kenolisa Onwueme was last updated on March 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.