Dr. Sylvester Obanya Okonkwo, MD
- Medicare services, 2024
- 304
- Medicare patients, 2024
- 117
- Part D claims, 2024
- 8,109
- Industry payments
- $404
- Affiliated sites
- 2
- Practice address
- 6192 Oxon Hill Rd, Oxon Hill, MD 20745
- Practice phone
- Call (301) 839-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bendel Medical Associates
Oxon Hill, Maryland
Find Dr. Okonkwo'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. Sylvester Obanya Okonkwo is an internist in Oxon Hill, Maryland
Dr. Okonkwo practices at Bendel Medical Associates in Oxon Hill, Maryland.
Dr. Okonkwo's NPI, 1801897582, was assigned on August 3, 2005. Dr. Okonkwo holds Maryland license D0055314.
- NPI
- 1801897582NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527145341
- NPI enumeration date
- August 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 839-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sylvester Obanya Okonkwo practices at Bendel Medical Associates in Oxon Hill, Maryland
Dr. Okonkwo's primary practice is Bendel Medical Associates, at 6192 Oxon Hill Rd, Oxon Hill, MD 20745 in Prince Georges County. The practice phone is (301) 839-0800.
- Bendel Medical Associates6192 Oxon Hill Rd, Oxon Hill, MD 20745 · Prince Georges CountyPhone(301) 839-0800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sylvester Obanya Okonkwo is affiliated with 3 sites of care
Dr. Okonkwo's primary practice is Bendel Medical Associates in Oxon Hill, Maryland. Dmand AI also links Dr. Okonkwo to 1 physician office and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sylvester Obanya Okonkwo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okonkwo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bendel Medical Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sylvester Obanya Okonkwo is one of 3,320 internists in Maryland
Internal medicine is Dr. Okonkwo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Okonkwo is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Okonkwo
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. Sylvester Obanya Okonkwo billed Medicare for 304 services in 2024
CMS data shows 304 Medicare services from Dr. Okonkwo across 2 procedure codes in 2024, all of them office visits, for 117 Medicare patients. Medicare paid $27,872 for them. Every service was in an office.
Dr. Okonkwo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1392024: 304119%
Dr. Okonkwo compared with the Maryland median for internists, 2024
- Dr. Okonkwo
- Maryland median
- Medicare services
- 304vs 65654% below
- Medicare patients
- 117vs 25153% below
- Part D claims
- 7,534vs 30924.4 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Okonkwo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Okonkwo and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sylvester Obanya Okonkwo treated 117 Medicare patients in 2024, average age 68
CMS counts 117 Medicare patients who saw Dr. Okonkwo in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 54% have high cholesterol. 53% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Okonkwo's median patient age at 57, with 59% women.
Dr. Okonkwo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Okonkwo's Medicare patients by sex, 2024
- Women8169%
- Men3631%
Chronic conditions among Dr. Okonkwo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol54%
- Arthritis38%
- Diabetes32%
- Tobacco use16%
- Depression15%
- Mood disorders15%
- Anxiety14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Okonkwo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sylvester Obanya Okonkwo wrote 8,109 Medicare Part D claims in 2024
In 2024, Dr. Okonkwo wrote 8,109 Medicare Part D claims for 321 patients. 89% of them were for generic drugs. CMS names the drug for 7,534 of them, across 125 drugs with 11 or more claims each, at $331,280 in total drug cost. In 2023, CMS named 6,994 claims across 115 drugs.
Dr. Okonkwo's Part D claims by kind of drug, 2024
- Generic7,186 claims89%
- Brand-name804 claims10%
- Other119 claims1%
Dr. Okonkwo'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. Okonkwo's Part D claims, 2024
- Opioids12%936 of 8,109 claims
- Antibiotics2%194 of 8,109 claims
- Antipsychotics, patients 65 and over1%43 of 8,109 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,9942024: 7,5348%
Drugs named by CMS: 125 in 2024, 115 in 2023.
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. Sylvester Obanya Okonkwo takes part in Medicare
Dr. Okonkwo 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)
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Dr. Sylvester Obanya Okonkwo received $404 in industry payments from 2019 to 2025
CMS Open Payments shows 14 general payments to Dr. Okonkwo from 9 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 97% of the total. AstraZeneca Pharmaceuticals LP paid the most, $151.
General payments to Dr. Okonkwo by program year, 2019 to 2025
General payments to Dr. Okonkwo by kind, 2019 to 2025
- Food and beverage$39297%
- Education$123%
Companies that paid Dr. Okonkwo the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sylvester Obanya Okonkwo'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Sylvester Obanya Okonkwo
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. Sylvester Obanya Okonkwo's NPI number?
Dr. Sylvester Obanya Okonkwo's NPI number is 1801897582. It was assigned on August 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sylvester Obanya Okonkwo?
Dr. Sylvester Obanya Okonkwo is an internist in Oxon Hill, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sylvester Obanya Okonkwo practice?
Dr. Okonkwo practices at 6192 Oxon Hill Rd, Oxon Hill, MD 20745. Dr. Okonkwo's primary practice is Bendel Medical Associates in Oxon Hill, Maryland. Dmand AI also links Dr. Okonkwo to 1 physician office and 1 home health agency.
What is Dr. Sylvester Obanya Okonkwo's office phone number?
The practice phone on file for Dr. Okonkwo is (301) 839-0800.
What is Dr. Sylvester Obanya Okonkwo's medical license number?
Dr. Okonkwo holds Maryland license D0055314.
Does Dr. Sylvester Obanya Okonkwo accept Medicare?
Yes. CMS data shows Dr. Okonkwo billed Medicare for 304 services in 2024, and Dr. Okonkwo accepts Medicare assignment.
How many Medicare patients does Dr. Sylvester Obanya Okonkwo see?
CMS counts 117 Medicare patients who saw Dr. Okonkwo in 2024, with an average age of 68.
What services does Dr. Sylvester Obanya Okonkwo bill to Medicare?
In 2024, Dr. Okonkwo's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Sylvester Obanya Okonkwo prescribe most?
In 2024 Medicare Part D data, Dr. Okonkwo's most prescribed drugs by claims were Oxycodone-Acetaminophen, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Sylvester Obanya Okonkwo received payments from drug or device companies?
CMS Open Payments shows $404 in general payments to Dr. Okonkwo from 9 companies from 2019 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Sylvester Obanya Okonkwo been practicing?
Dr. Okonkwo graduated from medical school in 1987, 39 years ago.
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