NICHOLAS CASSIS JR. M.D.
NPI 1063523512
Internal Medicine - Endocrinology, Diabetes & Metabolism in Charleston, WV

Active since August 31, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 51D0683526 · Waiver
415 MORRIS ST, SUITE 300, CHARLESTON, WV 25301(304) 345-6303(304) 345-6305 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nicholas Cassis Jr. M.d. NPPES

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

NICHOLAS CASSIS JR. M.D. (NPI 1063523512) is an individual endocrinology, diabetes & metabolism provider in Charleston, West Virginia, licensed in West Virginia (11251) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through December 28, 2027, and is affiliated with Charleston Area Medical Center.

NPPES Registry Identity

NPI1063523512
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameNICHOLAS CASSIS JR.Credential: M.D.
Location Address415 MORRIS ST, SUITE 300Charleston, WV 25301-1842
Mailing Address415 Morris St, Suite 300Charleston, WV 25301-1842 · (304) 345-6303 · Fax (304) 345-6305
Fax(304) 345-6305
Sole ProprietorYes
Medical School CMSWest Virginia University School Of MedicineGraduated 1979
Enumeration DateAugust 31, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1063523512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in WV · 11251
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
415 MORRIS ST, Charleston, WV 25301

Other Identifiers 1

Medicare UPINB42542WV

Accepted 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

Nicholas Cassis Jr. M.d. 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 ID749346757
PECOS Enrollment IDI20090226000533
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 51D0683526

Nicholas Cassis Jr MD · Charleston, WV
Active · expires Dec 28, 2027
CLIA Number51D0683526
Laboratory TypePhysician Office
Certificate Effective DateDecember 29, 2025
Certificate Expiration DateDecember 28, 2027
Laboratory DirectorNicholas Cassis Jr MD
Laboratory Phone(304) 345-6303
Laboratory LocationNicholas Cassis Jr MD500 Strader Road Northgate Business Park, Charleston, WV 25311
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 3

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.
635 services231 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.
21 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
17 services17 patients

Hospital Affiliations CMS Care Compare 5

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

Charleston Area Medical Center

Acute Care Hospitals · Charleston, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510022
Location501 Morris StreetCharleston, WV 25301 · Kanawha County
Emergency services Birthing friendly

Thomas Memorial Hospital

Acute Care Hospitals · South Charleston, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510029
Location4605 Maccorkle Avenue SWSouth Charleston, WV 25309 · Kanawha County
Emergency services Birthing friendly

Logan Regional Medical Center

Acute Care Hospitals · Logan, WV
2/5 CMS rating
OwnershipProprietary
CMS Certification Number510048
Location20 Hospital DriveLogan, WV 25601 · Logan County
Emergency services Birthing friendly

Boone Memorial Hospital

Critical Access Hospitals · Madison, WV
OwnershipGovernment - Local
CMS Certification Number511313
Location701 Madison AvenueMadison, WV 25130 · Boone County
Emergency services

Montgomery General Hospital, Inc

Critical Access Hospitals · Montgomery, WV
OwnershipVoluntary non-profit - Private
CMS Certification Number511318
Location401 Sixth AvenueMontgomery, WV 25136 · Fayette County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 25301 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
$124.46 typical visit price
range $53.20 – $164.59
Typical copayment $31.11 (range $13.30 – $41.14)
Most-billed visit code 99204
Established Patient
$94.81 typical visit price
range $16.47 – $133.29
Typical copayment $23.70 (range $4.11 – $33.32)
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.

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.
99%2,797 patients5/55-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.
35%93 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.
19%1,105 patients1/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
10%1,084 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…
82%1,105 patients4/55-star benchmark: 100%
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.
2%1,105 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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers21 claims64 services$6.78 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers12 claims23 services$1.18 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
8 suppliers122 claims122 services$192.78 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.

Neurological Surgery
415 MORRIS ST, SUITE 400
CHARLESTON, WV 25301
Nurse Practitioner
415 MORRIS ST, SUITE 300
CHARLESTON, WV 25301
Physician Assistant (Surgical)
415 MORRIS ST, SUITE 201
CHARLESTON, WV 25301
Surgery (Vascular Surgery)
415 MORRIS ST, SUITE 105
CHARLESTON, WV 25301
Specialist
415 MORRIS ST, SUITE 306
CHARLESTON, WV 25301
Psychiatry & Neurology (Neurology)
415 MORRIS ST, SUITE 100
CHARLESTON, WV 25301
Orthopaedic Surgery
415 MORRIS ST, SUITE 104
CHARLESTON, WV 25301
Neurological Surgery
415 MORRIS ST, SUITE 400
CHARLESTON, WV 25301

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 Cassis's NPI number?

The NPI number for Nicholas Cassis is 1063523512. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Nicholas Cassis located?

Nicholas Cassis practices at 415 Morris St Suite 300, Charleston, WV 25301. The listed phone number is (304) 345-6303.

What is Nicholas Cassis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Nicholas Cassis enrolled in Medicare?

Yes. Nicholas Cassis 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.

Does Nicholas Cassis hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 51D0683526) is associated with this NPI, valid through December 28, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Nicholas Cassis accept?

Health plans from Highmark Blue Cross Blue Shield West Virginia list Nicholas Cassis 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 Nicholas Cassis affiliated with any hospitals?

According to CMS data, Nicholas Cassis is affiliated with Charleston Area Medical Center, Thomas Memorial Hospital, Logan Regional Medical Center, Boone Memorial Hospital and Montgomery General Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Nicholas Cassis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.