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DR. CLARENCE SHANNON IV MD
NPI 1851516165
Anesthesiology in Washington, DC

Active since April 13, 2007PECOS EnrolledAccepts Medicare Assignment
82.34/100
CMS Quality Rating
6900 GEORGIA AVE, NW , WARD 44, WRAMC DEPARTMENT OF SURGERY, WASHINGTON, DC 20307(202) 782-0039 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Clarence Shannon Iv Md NPPES

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

DR. CLARENCE SHANNON IV MD (NPI 1851516165) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in Georgia (044586) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and is a graduate of University Of Chicago, Pritzker School Of Medicine (1990).

NPPES Registry Identity

NPI1851516165
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. CLARENCE SHANNON IVCredential: MD
Location Address6900 GEORGIA AVE, NW , WARD 44, WRAMC DEPARTMENT OF SURGERYWashington, DC 20307-5001
Mailing Address3818 Montrose DrivewayChevy Chase, MD 20815-4702 · (301) 656-8772
Phone(202) 782-0039
Sole ProprietorYes
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 1990
Enumeration DateApril 13, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1851516165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in GA · 044586
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 ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License 044586 (GA)

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan.Insurance ›

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. Clarence Shannon Iv 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 ID6204092208
PECOS Enrollment IDI20170105001533
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 6

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.
56 services33 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.
25 services18 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.
20 services20 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.
18 services13 patients
Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 64488
This procedure involves injecting a local anesthetic into the abdominal wall to manage pain. It's carried out on both sides of the abdomen using imaging guidance for precision. This helps numb the area, providing relief from discomfort.
11 services11 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

M Health Fairview University Of Mn

Acute Care Hospitals · Minneapolis, MN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240080
Location2450 Riverside AvenueMinneapolis, MN 55454 · Hennepin County
Emergency services Birthing friendly

M Health Fairview St John's Hospital

Acute Care Hospitals · Maplewood, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240210
Location1575 Beam AvenueMaplewood, MN 55109 · Ramsey County
Emergency services 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.

82.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.54
Promoting Interoperability100
Improvement Activities40
Cost38.17

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 Clarence Shannon's NPI number?

The NPI number for Clarence Shannon is 1851516165. It was assigned to this individual provider in the NPPES registry on April 13, 2007.

Where is Clarence Shannon located?

Clarence Shannon practices at 6900 Georgia Ave, NW , Ward 44 Wramc Department Of Surgery, Washington, DC 20307. The listed phone number is (202) 782-0039.

What is Clarence Shannon's specialty?

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

Is Clarence Shannon enrolled in Medicare?

Yes. Clarence Shannon 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.

What insurance does Clarence Shannon accept?

Health plans from Medica and Sanford Health Plan list Clarence Shannon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Clarence Shannon affiliated with any hospitals?

According to CMS data, Clarence Shannon is affiliated with M Health Fairview University Of Mn and M Health Fairview St John's Hospital.

When was this NPI record last updated?

The NPPES record for Clarence Shannon was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.