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ADEYINKA O LAIYEMO MD
NPI 1851374151
Internal Medicine - Gastroenterology in Washington, DC

Active since November 22, 2005PECOS EnrolledAccepts Medicare Assignment
HOWARD UNIVERSITY, 2041 GEORGIA AVENUE, NW, WASHINGTON, DC 20060(202) 865-6100(202) 865-4607 Get Directions Write a Review

NPPES record last updated: June 25, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Adeyinka O Laiyemo Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADEYINKA O LAIYEMO MD (NPI 1851374151) is an individual gastroenterology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD34011) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1851374151
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameADEYINKA O LAIYEMOCredential: MD
Location AddressHOWARD UNIVERSITY, 2041 GEORGIA AVENUE, NWWashington, DC 20060-0001
Mailing AddressHoward University, 2041 Georgia Avenue, NwWashington, DC 20060-0001 · (202) 865-6100 · Fax (202) 865-4607
Phone(202) 865-6100
Fax(202) 865-4607
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateNovember 22, 2005
Last NPPES UpdateJune 25, 2015
✔ NPI 1851374151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in DC · MD34011
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License D0059728 (MD)
HOWARD UNIVERSITY, Washington, DC 20060
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adeyinka O Laiyemo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022900703
PECOS Enrollment IDI20050829000428
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Adeyinka Laiyemo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Howard University
0.4 mi
Multi-Specialty
2041 GEORGIA AVE NW
Washington, DC 20060
  • Reassigned Medicare billing, District of Columbia enrollment
  • 319 clinicians in this Medicare group
NPI 1033163597 (202) 865-6100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
37 services22 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services21 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
19 services14 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adeyinka Laiyemo's NPI number?

The NPI number for Adeyinka Laiyemo is 1851374151. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Where is Adeyinka Laiyemo located?

Adeyinka Laiyemo practices at Howard University 2041 Georgia Avenue, NW, Washington, DC 20060. The listed phone number is (202) 865-6100.

What is Adeyinka Laiyemo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Adeyinka Laiyemo enrolled in Medicare?

Yes. Adeyinka Laiyemo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Adeyinka Laiyemo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adeyinka Laiyemo reassigns Medicare benefits to Howard University (Washington, DC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adeyinka Laiyemo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Adeyinka Laiyemo was last updated on June 25, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.