Chiazotam Nkemdilim Ekekezie, M.D.
Gastroenterology Physician · Palo Alto, CA
Chiazotam Nkemdilim Ekekezie, M.D. is a gastroenterology physician with a practice address in Palo Alto, California, and NPI 1689052235, issued on May 15, 2015. Check the license (California A163006, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chiazotam Nkemdilim Ekekezie
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A163006 CA
LP03358 RI
MD16236 RI
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- May 15, 2015
- Record last updated
- Apr 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20220627000954); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Teddy Akiki, MDPsychiatry Physician1942867718
- Amy Alexander, M.D.Psychiatry Physician1740435486
- Monica Allen, PSYDClinical Psychologist1952787749
Verify Chiazotam Nkemdilim Ekekezie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average gastroenterology physician in 2024
150 Medicare Part D claims for 81 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Famotidine22 claims
- Peg 3350-Electrolyte18 claims
- Omeprazole14 claims
- Linzess13 claims
- Gavilyte-G12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Chiazotam Nkemdilim Ekekezie among 2,140 gastroenterology physician records in California
Chiazotam Nkemdilim Ekekezie, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.
- NPI issued2015 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2014 · median 2002 among the 1,538 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Palo Alto → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Matthew Chang, M.D.Palo Alto, CA 943041598949521
- Ramsey Cheung, MDPalo Alto, CA 943041750394532
- John Clarke, M.D.Palo Alto, CA 943041467539643
- Tami Daugherty, M.D.Palo Alto, CA 943041194742064
- Samer Eldika, M.D.Palo Alto, CA 943041346267093
- Nielsen Fernandez-Becker, M.D., PH.D.Palo Alto, CA 943041972678639
- Harry Greenberg, MDPalo Alto, CA 943041689731200
- Peter Gregory, M.DPalo Alto, CA 943041891889903
Common questions
What is Chiazotam Nkemdilim Ekekezie, M.D.'s NPI number?
Chiazotam Nkemdilim Ekekezie, M.D.'s National Provider Identifier (NPI) is 1689052235, issued on May 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chiazotam Nkemdilim Ekekezie, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Chiazotam Nkemdilim Ekekezie, M.D.'s license?
NPPES lists California license number A163006, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chiazotam Nkemdilim Ekekezie, M.D. prescribe under Medicare Part D?
In 2024, Chiazotam Nkemdilim Ekekezie, M.D. had 150 Medicare Part D claims for 81 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Chiazotam Nkemdilim Ekekezie, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.