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

Q: 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.

Q: What is Oluseyi Fadayomi's specialty?

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

Q: 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 8 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.

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: October 18, 2026.

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

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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 Saint Mary's 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

Phone(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

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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

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.

Medicare Billing Reassignments

Medicare enrollment records show Oluseyi Fadayomi reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Pain Management Specialists, LLC

0.9 mi

Interventional Pain Medicine

810 BESTGATE RD STE 220
Annapolis, MD 21401

Reassigned Medicare billing, District of Columbia and Maryland enrollments
49 clinicians in this Medicare group

NPI 1861418220 (410) 571-2946

Clearway Anesthesia Services NE LLC

0.9 mi

Anesthesiology

810 BESTGATE RD STE 120
Annapolis, MD 21401

Reassigned Medicare billing, Maryland enrollment
14 clinicians in this Medicare group

NPI 1245980093 (855) 527-7246

First Colonies Anesthesia Associates, LLC

21 mi

Anesthesiology

9841 BROKEN LAND PKWY STE 310
Columbia, MD 21046

Reassigned Medicare billing, District of Columbia and Maryland enrollments
717 clinicians in this Medicare group

NPI 1740218767 (443) 276-7624

Medstar Medical Group Anesthesiology LLC

24 mi

Anesthesiology

201 E UNIVERSITY PKWY
Baltimore, MD 21218

Reassigned Medicare billing, District of Columbia and Maryland enrollments
482 clinicians in this Medicare group

NPI 1528578333 (703) 558-1403

Medstar Medical Group II LLC

25 mi

Anesthesiology

110 IRVING ST NW
Washington, DC 20010

Reassigned Medicare billing, District of Columbia and Maryland enrollments
Also billed through NPI 1184046187 (Maryland)
3,530 clinicians in this Medicare group

NPI 1023836137 (703) 558-1403

North American Partners In Anesthesia Maryland LLC

30 mi

Anesthesiology

100 HOSPITAL RD
Prince Frederick, MD 20678

Reassigned Medicare billing, Maryland enrollment
468 clinicians in this Medicare group

NPI 1093707879 (410) 535-4000

Smg Anesthesia Specialists LLC

154 mi

Anesthesiology

2025 GLENN MITCHELL DR
Virginia Beach, VA 23456

Reassigned Medicare billing, Virginia enrollment
707 clinicians in this Medicare group

NPI 1518205004 (757) 507-1000

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 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

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

93 services50 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

74 services61 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

72 services61 patients

A definitive drug test identifies specific drugs in your system. Advanced methods like GC/MS (Gas Chromatography/Mass Spectrometry) and LC/MS (Liquid Chromatography/Mass Spectrometry) are used. These can distinguish between similar drugs, providing precise results.

70 services66 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

65 services58 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

65 services58 patients

Insertion of spinal neurostimulator electrode array through skin 63650

This procedure involves placing a small device, called a neurostimulator electrode array, under your skin near your spine. It delivers mild electrical signals to your spinal cord, helping to manage chronic pain.

58 services22 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

48 services34 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

48 services42 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

47 services28 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

40 services31 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

30 services25 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

25 services21 patients

Insertion or replacement of spinal neurostimulator generator or receiver 63685

The insertion of a spinal neurostimulator generator or receiver is a procedure to manage chronic pain. A small device is implanted under your skin, which sends mild electrical signals to your spinal cord. These signals disrupt pain signals, helping to reduce discomfort.

18 services18 patients

Injection of upper or middle spine facet joint using imaging guidance, single level 64490

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

15 services12 patients

Injection of upper or middle spine facet joint using imaging guidance, second level 64491

This procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.

15 services12 patients

Injection of anesthetic agent and/or steroid into knee nerve branch using imaging guidance 64454

This procedure involves injecting anesthetic and/or steroid medication into a knee nerve branch. Imaging technology is used to ensure accurate placement of the needle. This can help reduce pain and inflammation in the knee area.

12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Medstar Saint Mary's Hospital

Acute Care Hospitals · Leonardtown, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210028

Location25500 Point Lookout RoadLeonardtown, MD 20650 · St. Marys County

Emergency services Birthing friendly

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.

ELIZABETH A PARKER MD LLC

Pediatrics (Pediatric Endocrinology)