Dr. Barbara Chidinma Okeke, MD, PhD
- Part D claims, 2024
- 333
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $112
- Medical groups
- 2
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Okeke's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Barbara Chidinma Okeke is an internist in Saint Louis, Missouri
Dr. Okeke practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Okeke's NPI, 1265134043, was assigned on March 17, 2023. Dr. Okeke holds Missouri license 390200000X.
- NPI
- 1265134043NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608235353
- NPI enumeration date
- March 17, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barbara Chidinma Okeke practices in Boston and Saint Louis
Dr. Okeke's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000. The NPI Registry lists Dr. Okeke's practice address as 1201 S Grand Blvd, Saint Louis, MO 63104.
- Massachusetts General HospitalPrimary55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
- NPI Registry address1201 S Grand Blvd, Saint Louis, MO 63104 · Saint Louis CityPhone(314) 577-8760
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Barbara Chidinma Okeke is affiliated with 1 site of care and 2 medical groups
Dr. Okeke's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Okeke to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Barbara Chidinma Okeke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okeke practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Barbara Chidinma Okeke is one of 2,114 internists in Missouri
Internal medicine is Dr. Okeke's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Okeke is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Okeke
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Barbara Chidinma Okeke's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Okeke's median patient age at 69, with 64% women.
Dr. Okeke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Barbara Chidinma Okeke wrote 333 Medicare Part D claims in 2024
In 2024, Dr. Okeke wrote 333 Medicare Part D claims for 64 patients. 84% of them were for generic drugs. CMS names the drug for 54 of them, across 4 drugs with 11 or more claims each, at $503 in total drug cost.
Dr. Okeke's Part D claims by kind of drug, 2024
- Generic280 claims84%
- Brand-name and other53 claims16%
Dr. Okeke's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Okeke's Part D claims, 2024
- Antibiotics4%13 of 333 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Barbara Chidinma Okeke takes part in Medicare
Dr. Okeke accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Barbara Chidinma Okeke has 2 publications on record
Dmand AI links 2 papers to Dr. Okeke in 2025. 2025 was the busiest year, with 2. Dr. Okeke's most frequent co-author is Christian L. Hendrix.
Dr. Okeke's most frequent co-authors
Recent publications by Dr. Okeke
See who Dr. Okeke researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Okeke works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Barbara Chidinma Okeke received $112 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Okeke from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $112.
Companies that paid Dr. Okeke the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Barbara Chidinma Okeke's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Barbara Chidinma Okeke
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Barbara Chidinma Okeke's NPI number?
Dr. Barbara Chidinma Okeke's NPI number is 1265134043. It was assigned on March 17, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Barbara Chidinma Okeke?
Dr. Barbara Chidinma Okeke is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Barbara Chidinma Okeke practice?
Dr. Okeke practices at 55 Fruit Street, Boston, MA 02114. Dr. Okeke also practices at 1201 S Grand Blvd, Saint Louis, MO 63104. Dr. Okeke's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Okeke to 1 medical group.
What is Dr. Barbara Chidinma Okeke's office phone number?
The practice phone on file for Dr. Okeke is (617) 726-2000.
What is Dr. Barbara Chidinma Okeke's medical license number?
Dr. Okeke holds Missouri license 390200000X.
Which hospitals is Dr. Barbara Chidinma Okeke affiliated with?
Dr. Okeke practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Barbara Chidinma Okeke part of?
Dr. Okeke is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Okeke to 1 more medical group.
Does Dr. Barbara Chidinma Okeke accept Medicare?
Yes. CMS lists Dr. Okeke as accepting Medicare assignment.
What drugs does Dr. Barbara Chidinma Okeke prescribe most?
In 2024 Medicare Part D data, Dr. Okeke's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Mirtazapine.
Has Dr. Barbara Chidinma Okeke received payments from drug or device companies?
CMS Open Payments shows $112 in general payments to Dr. Okeke from 1 company from 2024 to 2024. The largest total came from ViiV Healthcare Company.
Show 3 more questionsShow fewer questions
How long has Dr. Barbara Chidinma Okeke been practicing?
Dr. Okeke's NPI was assigned in 2023.
Does Dr. Barbara Chidinma Okeke do research?
Dmand AI links 2 publications to Dr. Okeke.
Who does Dr. Barbara Chidinma Okeke publish with?
Dr. Okeke's most frequent co-authors are Christian L. Hendrix (1 shared paper).
Selling to internal medicine practices?
See internists in Missouri by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card