Dr. Olanma Yvonne Okoji, MD

  • Rockville, MD
  • Gastroenterologist
NPI1457678492PAC ID5991091316
Medicare services, 2024
611
Medicare patients, 2024
363
Part D claims, 2024
846
Publications
1
Hospital affiliations
1
Practice address
15001 Shady Grove Rd, Rockville, MD 20850
Practice phone
Call (301) 251-0070
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

White Flint Surgery LLC

Rockville, Maryland

See all 4 affiliations

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Dr. Olanma Yvonne Okoji is a gastroenterologist in Rockville, Maryland

Dr. Okoji practices at White Flint Surgery LLC in Rockville, Maryland.

Dr. Okoji's NPI, 1457678492, was assigned on April 30, 2010. Dr. Okoji graduated from George Washington University School of Medicine in 2010. Dr. Okoji holds Maryland license D81112.

NPI and contact details
Medicare PAC ID
5991091316
NPI enumeration date
April 30, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(301) 251-0070
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Olanma Yvonne Okoji practices at White Flint Surgery LLC in Rockville, Maryland

Dr. Okoji's primary practice is White Flint Surgery LLC, at 15001 Shady Grove Rd, Rockville, MD 20850 in Montgomery County. The practice phone is (301) 251-0070.

  • White Flint Surgery LLC
    15001 Shady Grove Rd, Rockville, MD 20850 · Montgomery CountyPhone(301) 251-0070

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Olanma Yvonne Okoji is affiliated with 3 sites of care and 1 medical group

Dr. Okoji's primary practice is White Flint Surgery LLC in Rockville, Maryland. Dr. Okoji is also affiliated with Adventist HealthCare Shady Grove Medical Center. The medical group on file is Capital Digestive Care. Dmand AI also links Dr. Okoji to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Okoji

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Olanma Yvonne Okoji's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okoji practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
White Flint Surgery LLCAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Olanma Yvonne Okoji is one of 405 gastroenterologists in Maryland

Gastroenterology is Dr. Okoji's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Okoji is licensed in Maryland.

Specialties and state licenses

  • Gastroenterology, MarylandPrimaryLicense D81112 · taxonomy 207RG0100X

Gastroenterologists near Dr. Okoji

Counts of gastroenterologists 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. Olanma Yvonne Okoji billed Medicare for 611 services in 2024

CMS data shows 611 Medicare services from Dr. Okoji across 10 procedure codes in 2024, for 363 Medicare patients. Medicare paid $72,043 for them.

Medicare services, 2024611
Medicare patients363
Paid by Medicare$72,043
Procedure codes10

Dr. Okoji's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2932024: 33615%
Surgery
2023: 2242024: 2313%
Other services
2023: 602024: 4427%
Tests and treatments
2023: 272024: 0100%

Where Dr. Okoji's Medicare services took place, 2024

  • In an office33655%
  • In a facility27545%

Dr. Okoji compared with the Maryland median for gastroenterologists, 2024

  • Dr. Okoji
  • Maryland median
Medicare services
611vs 6689% below
Medicare patients
363vs 3907% below
Part D claims
685vs 39275% above

Medians across 396 gastroenterologists in Maryland with Dmand AI profiles that report each measure.

Dr. Okoji'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.

See all procedures by Dr. Okoji

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Olanma Yvonne Okoji treated 363 Medicare patients in 2024, average age 74

CMS counts 363 Medicare patients who saw Dr. Okoji in 2024. The largest group is 65 to 74, with 173 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Okoji's median patient age at 58, with 74% women.

Medicare patients, 2024363
Average age74
Average risk score0.88
Also on Medicaid7%

Dr. Okoji's Medicare patients by age, 2024

Dr. Okoji's Medicare patients by sex, 2024

  • Women28579%
  • Men7821%

Chronic conditions among Dr. Okoji's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure66%
  3. Arthritis50%
  4. Osteoporosis28%
  5. Anxiety25%
  6. Ischemic heart disease23%
  7. Diabetes21%
  8. Mood disorders21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Okoji's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women74%
  • Men25%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Olanma Yvonne Okoji wrote 846 Medicare Part D claims in 2024

In 2024, Dr. Okoji wrote 846 Medicare Part D claims for 268 patients. 83% of them were for generic drugs. CMS names the drug for 685 of them, across 17 drugs with 11 or more claims each, at $408,437 in total drug cost. In 2023, CMS named 483 claims across 13 drugs.

Part D claims, 2024846
Drugs named by CMS17
Total drug cost$408,437
Part D patients268

Dr. Okoji's Part D claims by kind of drug, 2024

  • Generic702 claims83%
  • Brand-name144 claims17%

Dr. Okoji'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. Okoji's Part D claims, 2024

  • Antibiotics4%30 of 846 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: 4832024: 68542%

Drugs named by CMS: 17 in 2024, 13 in 2023.

See all prescribing by Dr. Okoji

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

Dr. Olanma Yvonne Okoji ranks in the 78th percentile for colonoscopy in Medicare

Dr. Okoji accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Okoji as offering telehealth. CMS counts 91 procedures of colonoscopy by Dr. Okoji, more than 78% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Okoji ranks in Medicare procedure volume

Colonoscopy
78th percentile91 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
70th percentile73 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Olanma Yvonne Okoji has 1 publication on record

Dmand AI links 1 paper to Dr. Okoji in 2021. Dr. Okoji's most frequent co-author is Priti Bijpuria, MD.

Papers1

Dr. Okoji's most frequent co-authors

Recent publications by Dr. Okoji

See all 1 publications and co-authors

See who Dr. Okoji researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Okoji works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Olanma Yvonne Okoji received $4,525 in industry payments from 2016 to 2025

CMS Open Payments shows 195 general payments to Dr. Okoji from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $799.

General payments to Dr. Okoji by program year, 2016 to 2025

Companies that paid Dr. Okoji the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Okoji

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Olanma Yvonne Okoji graduated from George Washington University School of Medicine

Dr. Okoji graduated from George Washington University School of Medicine in 2010.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Olanma Yvonne Okoji's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Olanma Yvonne Okoji

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. Olanma Yvonne Okoji's NPI number?

Dr. Olanma Yvonne Okoji's NPI number is 1457678492. It was assigned on April 30, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Olanma Yvonne Okoji?

Dr. Olanma Yvonne Okoji is a gastroenterologist in Rockville, Maryland. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Olanma Yvonne Okoji practice?

Dr. Okoji practices at 15001 Shady Grove Rd, Rockville, MD 20850. Dr. Okoji's primary practice is White Flint Surgery LLC in Rockville, Maryland. Dmand AI also links Dr. Okoji to 1 group practice or clinic.

What is Dr. Olanma Yvonne Okoji's office phone number?

The practice phone on file for Dr. Okoji is (301) 251-0070.

What is Dr. Olanma Yvonne Okoji's medical license number?

Dr. Okoji holds Maryland license D81112.

Which hospitals is Dr. Olanma Yvonne Okoji affiliated with?

Dr. Okoji is affiliated with Adventist HealthCare Shady Grove Medical Center.

What medical group is Dr. Olanma Yvonne Okoji part of?

Dr. Okoji is linked to Capital Digestive Care.

Does Dr. Olanma Yvonne Okoji accept Medicare?

Yes. CMS data shows Dr. Okoji billed Medicare for 611 services in 2024, and Dr. Okoji accepts Medicare assignment.

Does Dr. Olanma Yvonne Okoji offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Okoji as offering telehealth services.

How many Medicare patients does Dr. Olanma Yvonne Okoji see?

CMS counts 363 Medicare patients who saw Dr. Okoji in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Dr. Olanma Yvonne Okoji bill to Medicare?

In 2024, Dr. Okoji's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (43239) and surgery: digestive system (45380).

Where did Dr. Olanma Yvonne Okoji go to medical school?

Dr. Okoji graduated from George Washington University School of Medicine in 2010.

What drugs does Dr. Olanma Yvonne Okoji prescribe most?

In 2024 Medicare Part D data, Dr. Okoji's most prescribed drugs by claims were Famotidine, Omeprazole and Pantoprazole Sodium.

Has Dr. Olanma Yvonne Okoji received payments from drug or device companies?

CMS Open Payments shows $4,525 in general payments to Dr. Okoji from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Olanma Yvonne Okoji been practicing?

Dr. Okoji graduated from medical school in 2010, 16 years ago.

Does Dr. Olanma Yvonne Okoji do research?

Dmand AI links 1 publication to Dr. Okoji.

Who does Dr. Olanma Yvonne Okoji publish with?

Dr. Okoji's most frequent co-authors are Priti Bijpuria, MD (1 shared paper).

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