NICHOLAS DYSON CASSCELLS
NPI 1811330996
Orthopaedic Surgery in Washington, DC

Active since April 09, 2013PECOS EnrolledAccepts Medicare Assignment
76.55/100
CMS Quality Rating
3800 RESERVOIR RD NW, DEPT OF ORTHOPAEDIC SURGERY, WASHINGTON, DC 20007(202) 444-8766(202) 444-0272 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 9, 2023, Aug 14, 2019 (2 updates tracked since 2019).

About Nicholas Dyson Casscells NPPES

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

NICHOLAS DYSON CASSCELLS (NPI 1811330996) is an individual orthopaedic surgery provider in Washington, District Of Columbia, licensed in District Of Columbia (MD047193) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1811330996
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameNICHOLAS DYSON CASSCELLS
Location Address3800 RESERVOIR RD NW, DEPT OF ORTHOPAEDIC SURGERYWashington, DC 20007-2113
Mailing AddressPo Box 418283Boston, MA 02241-8283 · (703) 558-1400 · Fax (703) 558-1445
Fax(202) 444-0272
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 9, 2013
Last NPPES UpdateJanuary 9, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2023
NPI 1811330996 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in DC · MD047193
Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Foot and Ankle SurgeryTaxonomy 207XX0004X · License MD047193 (DC)
3800 RESERVOIR RD NW, Washington, DC 20007

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

Nicholas Dyson Casscells 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 ID4486984499
PECOS Enrollment IDI20190918000092
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 10

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.
130 services112 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
120 services26 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.
117 services87 patients
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.
63 services62 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.
54 services45 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.
52 services52 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20007 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

76.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality63.16
Promoting Interoperability100
Improvement Activities40
Cost55.94

Referred Medical Equipment & Supplies CMS DME claims 2

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

Ankle orthosis, ankle gauntlet or similar, with or without joints, prefabricated, off-the-shelf L1902
DME-Orthotic Devices · category DF003N
4 suppliers14 claims14 services$65.91 avg. paid by Medicare
Walking boot, pneumatic and/or vacuum, with or without joints, with or without interface material, prefabricated, off-the-shelf L4361
DME-Orthotic Devices · category DF003N
4 suppliers17 claims17 services$235.06 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 20

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

Urology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Gastroenterology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Audiologist
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Endocrinology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Internal Medicine (Allergy & Immunology)
3800 RESERVOIR RD NW, RM B-105 LOWER LEVEL KOBER-COGAN BLDG, GEORGETOWN UNIV
WASHINGTON, DC 20007
Nurse Anesthetist, Certified Registered
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Obstetrics & Gynecology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Obstetrics & Gynecology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

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 Nicholas Casscells's NPI number?

The NPI number for Nicholas Casscells is 1811330996. It was assigned to this individual provider in the NPPES registry on April 9, 2013.

Where is Nicholas Casscells located?

Nicholas Casscells practices at 3800 Reservoir Rd NW Dept Of Orthopaedic Surgery, Washington, DC 20007. The listed phone number is (202) 444-8766.

What is Nicholas Casscells's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Nicholas Casscells enrolled in Medicare?

Yes. Nicholas Casscells 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.

When was this NPI record last updated?

The NPPES record for Nicholas Casscells was last updated on January 9, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.