DR. OLUSEYI ADEDAYO FADAYOMI M.D., MSC.
NPI 1194163824
Anesthesiology in Annapolis, MD

Active since June 04, 2013PECOS EnrolledAccepts Medicare Assignment
116 DEFENSE HWY STE 403, ANNAPOLIS, MD 21401(410) 571-2946 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 4, 2026, Mar 14, 2025, Feb 27, 2020 and 2 more (5 updates tracked since 2016).

About Dr. Oluseyi Adedayo Fadayomi M.d., Msc. NPPES

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

DR. OLUSEYI ADEDAYO FADAYOMI M.D., MSC. (NPI 1194163824) is an individual anesthesiology provider in Annapolis, Maryland, licensed in Virginia (0101288449) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Medstar Harbor Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1194163824
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. OLUSEYI ADEDAYO FADAYOMICredential: M.D., MSC.
Location Address116 DEFENSE HWY STE 403Annapolis, MD 21401-7020
Mailing Address201 Defense Hwy Ste 205Annapolis, MD 21401-7096 · (410) 571-2946
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJune 4, 2013
Last NPPES UpdateFebruary 4, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
NPI 1194163824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses Licensed in VA · 0101288449 Licensed in MD · D0085432
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License D0085432 (MD)
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License D0085432 (MD)
116 DEFENSE HWY STE 403, Annapolis, MD 21401

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Oluseyi Adedayo Fadayomi M.d., Msc. 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 ID1557667599
PECOS Enrollment IDI20180803000210, I20180803000859, I20260410003405
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.

Areas of Expertise CMS Part B claims 23

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,562 services412 patients
Testing for presence of drug, by chemistry analyzers 80307
Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.
341 services232 patients
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0481
A definitive drug test is a detailed analysis used to identify specific drugs in your system. It uses advanced techniques, such as gc/ms and lc/ms, to detect and distinguish between different drugs, even those with similar structures.
275 services177 patients
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483
This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.
232 services128 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
221 services221 patients
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484
This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.
216 services123 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medstar Harbor Hospital

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210034
Location3001 South Hanover StreetBaltimore, MD 21225 · Baltimore City County
Birthing friendly

Sentara Leigh Hospital

Acute Care Hospitals · Norfolk, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490046
Location830 Kempsville RoadNorfolk, VA 23502 · Norfolk City County
Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
83%479 patients2/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
68%127 patients1/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
6%667 patients1/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
60%667 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
16%667 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
53%667 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panel(s), produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf L0650
DME-Orthotic Devices · category DF007N
3 suppliers16 claims16 services$646.94 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Pediatric Endocrinology)
116 DEFENSE HWY STE 403
ANNAPOLIS, MD 21401
Physical Medicine & Rehabilitation
116 DEFENSE HWY STE 403
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
116 DEFENSE HWY STE 403
ANNAPOLIS, MD 21401
Pediatrics
116 DEFENSE HWY STE 403
ANNAPOLIS, MD 21401
Physician Assistant
116 DEFENSE HWY STE 403
ANNAPOLIS, MD 21401
Physician Assistant
116 DEFENSE HWY STE 403
ANNAPOLIS, MD 21401

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 Oluseyi Fadayomi's NPI number?

The NPI number for Oluseyi Fadayomi is 1194163824. It was assigned to this individual provider in the NPPES registry on June 4, 2013.

Where is Oluseyi Fadayomi located?

Oluseyi Fadayomi practices at 116 Defense Hwy Ste 403, Annapolis, MD 21401. The listed phone number is (410) 571-2946.

What is Oluseyi Fadayomi's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Oluseyi Fadayomi enrolled in Medicare?

Yes. Oluseyi Fadayomi 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.

Is Oluseyi Fadayomi affiliated with any hospitals?

According to CMS data, Oluseyi Fadayomi is affiliated with Medstar Harbor Hospital and Sentara Leigh Hospital.

When was this NPI record last updated?

The NPPES record for Oluseyi Fadayomi was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.