Case Rep Gastroenterol
Dr. Ofem Ajah, MD
- Medicare services, 2024
- 375
- Medicare patients, 2024
- 231
- Part D claims, 2024
- 503
- Publications
- 2
- MIPS score, 2024
- 94
- Practice address
- 753 Classon Ave, Brooklyn, NY 11238
- Practice phone
- Call (718) 780-5051
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kings Physician Services
Brooklyn, New York
Find Dr. Ajah'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. Ofem Ajah is a gastroenterologist in Brooklyn, New York
Dr. Ajah practices at Kings Physician Services in Brooklyn, New York.
Dr. Ajah's NPI, 1366469918, was assigned on July 17, 2006. Dr. Ajah graduated from University of Ilorin Faculty of Health Sciences in 1984. Dr. Ajah holds New York license 192864.
- NPI
- 1366469918NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698741825
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 780-5051
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ofem Ajah practices at Kings Physician Services in Brooklyn, New York
Dr. Ajah's primary practice is Kings Physician Services, at 753 Classon Ave, Brooklyn, NY 11238 in Kings County. The practice phone is (718) 780-5051.
- Kings Physician Services753 Classon Ave, Brooklyn, NY 11238 · Kings CountyPhone(718) 780-5051
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ofem Ajah is affiliated with 3 sites of care and 1 medical group
Dr. Ajah's primary practice is Kings Physician Services in Brooklyn, New York. Dr. Ajah is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is NewYork-Presbyterian Medical Group/Westchester. Dmand AI also links Dr. Ajah to 1 more group practice or clinic, 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. Ofem Ajah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ajah practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kings Physician Services | 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. Ofem Ajah is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Ajah's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ajah is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, colonoscopy, fatty liver, gastroduodenitis, gastrointestinal bleeding, hemorrhoids and intestinal diverticulosis among the conditions Dr. Ajah treats.
Gastroenterologists near Dr. Ajah
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. Ofem Ajah billed Medicare for 375 services in 2024
CMS data shows 375 Medicare services from Dr. Ajah across 14 procedure codes in 2024, for 231 Medicare patients. Medicare paid $36,199 for them.
Dr. Ajah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3232024: 25820%
- Surgery
- 2023: 1752024: 11733%
Where Dr. Ajah's Medicare services took place, 2024
- In an office16043%
- In a facility21557%
Dr. Ajah compared with the New York median for gastroenterologists, 2024
- Dr. Ajah
- New York median
- Medicare services
- 375vs 42111% below
- Medicare patients
- 231vs 236Close to median
- Part D claims
- 399vs 382Close to median
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Ajah'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. Ajah and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ofem Ajah treated 231 Medicare patients in 2024, average age 74
CMS counts 231 Medicare patients who saw Dr. Ajah in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.22, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ajah's median patient age at 60, with 68% women.
Dr. Ajah's Medicare patients by age, 2024
Dr. Ajah's Medicare patients by sex, 2024
- Women14864%
- Men8336%
Chronic conditions among Dr. Ajah's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Arthritis53%
- Chronic kidney disease42%
- Ischemic heart disease40%
- Mood disorders32%
- Heart failure31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ajah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women68%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ofem Ajah wrote 503 Medicare Part D claims in 2024
In 2024, Dr. Ajah wrote 503 Medicare Part D claims for 297 patients. 79% of them were for generic drugs. CMS names the drug for 399 of them, across 10 drugs with 11 or more claims each, at $41,150 in total drug cost. In 2023, CMS named 466 claims across 11 drugs.
Dr. Ajah's Part D claims by kind of drug, 2024
- Generic396 claims79%
- Brand-name107 claims21%
Dr. Ajah'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. Ajah's Part D claims, 2024
- Antibiotics4%18 of 503 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: 4662024: 39914%
Drugs named by CMS: 10 in 2024, 11 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
Dr. Ofem Ajah scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Ajah for performance year 2024, reported as part of a group. Dr. Ajah accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 39 procedures of colonoscopy by Dr. Ajah, more than 58% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Ajah's MIPS scores, performance year 2024
- 94of 100Final score
- 84.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Ajah ranks in Medicare procedure volume
- Colonoscopy
- 58th percentile39 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 52nd percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ofem Ajah has 2 publications on record
Dmand AI links 2 papers to Dr. Ajah, published from 2008 to 2011. Dr. Ajah's most frequent co-author is Fadi Nabil Salim Hammoudeh, MD.
Dr. Ajah's most frequent co-authors
Recent publications by Dr. Ajah
See who Dr. Ajah researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ajah works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ofem Ajah received $14,188 in industry payments from 2016 to 2025
CMS Open Payments shows 59 general payments to Dr. Ajah from 14 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 82% of the total. Gilead Sciences, Inc. paid the most, $12,861.
General payments to Dr. Ajah by program year, 2016 to 2025
General payments to Dr. Ajah by kind, 2016 to 2025
- Speaker and faculty fees$11,70082%
- Food and beverage$2,12515%
- Travel and lodging$3633%
Companies that paid Dr. Ajah the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ofem Ajah graduated from University of Ilorin Faculty of Health Sciences
Dr. Ajah graduated from University of Ilorin Faculty of Health Sciences in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ofem Ajah accepts plans from 17 insurance carriers
Dr. Ajah is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Cigna
- +9 more carriersWith a free account
Plan types Dr. Ajah accepts, by number of carriers
- PPO11
- Medicare8
- HMO7
- EPO5
- POS4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ofem Ajah'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Ofem Ajah
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. Ofem Ajah's NPI number?
Dr. Ofem Ajah's NPI number is 1366469918. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ofem Ajah?
Dr. Ofem Ajah is a gastroenterologist in Brooklyn, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ofem Ajah practice?
Dr. Ajah practices at 753 Classon Ave, Brooklyn, NY 11238. Dr. Ajah's primary practice is Kings Physician Services in Brooklyn, New York. Dmand AI also links Dr. Ajah to 1 group practice or clinic.
What is Dr. Ofem Ajah's office phone number?
The practice phone on file for Dr. Ajah is (718) 780-5051.
What is Dr. Ofem Ajah's medical license number?
Dr. Ajah holds New York license 192864.
Which hospitals is Dr. Ofem Ajah affiliated with?
Dr. Ajah is affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.
What medical group is Dr. Ofem Ajah part of?
Dr. Ajah is linked to NewYork-Presbyterian Medical Group/Westchester.
Does Dr. Ofem Ajah accept Medicare?
Yes. CMS data shows Dr. Ajah billed Medicare for 375 services in 2024, and Dr. Ajah accepts Medicare assignment.
What is Dr. Ofem Ajah's MIPS score?
Dr. Ajah's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ofem Ajah see?
CMS counts 231 Medicare patients who saw Dr. Ajah in 2024, with an average age of 74.
Show 8 more questionsShow fewer questions
What services does Dr. Ofem Ajah bill to Medicare?
In 2024, Dr. Ajah's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45385) and office visit, new patient (99203).
Where did Dr. Ofem Ajah go to medical school?
Dr. Ajah graduated from University of Ilorin Faculty of Health Sciences in 1984.
What drugs does Dr. Ofem Ajah prescribe most?
In 2024 Medicare Part D data, Dr. Ajah's most prescribed drugs by claims were Peg 3350-Electrolyte, Omeprazole and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. Ofem Ajah received payments from drug or device companies?
CMS Open Payments shows $14,188 in general payments to Dr. Ajah from 14 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Ofem Ajah been practicing?
Dr. Ajah graduated from medical school in 1984, 42 years ago.
Does Dr. Ofem Ajah do research?
Dmand AI links 2 publications to Dr. Ajah, published from 2008 to 2011.
Who does Dr. Ofem Ajah publish with?
Dr. Ajah's most frequent co-authors are Fadi Nabil Salim Hammoudeh, MD (1 shared paper).
What insurance does Dr. Ofem Ajah accept?
Dr. Ajah is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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