DR. WILLIAM W HARLESS M.D. PHD.
NPI 1528100948
Internal Medicine - Medical Oncology in Charleston, WV

Q: What is William Harless's NPI number?

The NPI number for William Harless is 1528100948. It was assigned to this individual provider in the NPPES registry on February 13, 2007.

Q: What is William Harless's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for William Harless was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 February 13, 2007PECOS EnrolledAccepts Medicare Assignment

3415 MACCORKLE AVE SE, CHARLESTON, WV 25304(304) 388-4949 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Feb 6, 2026, Dec 28, 2021, Apr 20, 2021 and 2 more (5 updates tracked since 2018).

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About Dr. William W Harless M.d. Phd. NPPES

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

DR. WILLIAM W HARLESS M.D. PHD. (NPI 1528100948) is an individual medical oncology provider in Charleston, West Virginia, licensed in West Virginia (21423) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Community Hospitals And Wellness Centers, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1528100948

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. WILLIAM W HARLESSCredential: M.D. PHD.

Location Address3415 MACCORKLE AVE SECharleston, WV 25304-1334

Mailing Address1400 Afflink Pl Ste 101Tuscaloosa, AL 35406-2452 · (205) 366-9740 · Fax (205) 344-9992

Phone(304) 388-4949

Sole ProprietorYes

Medical School CMSOtherGraduated 1996

Enumeration DateFebruary 13, 2007

Last NPPES UpdateJune 8, 20265 updates tracked since enumeration

NPPES CertifiedJune 8, 2026

✔ NPI 1528100948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

Licenses✔ Licensed in WV · 21423✔ Licensed in ME · MD23392✔ Licensed in OH · 35C.003724✔ Licensed in CT · 62961

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedSpecialistTaxonomy 174400000X · License 37144 (AL)

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD23392 (ME)

3415 MACCORKLE AVE SE, Charleston, WV 25304

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Secondary Practice Locations 4

Location 1116 Northport Ave Ste 112Belfast, ME 04915-6096 · Phone (207) 505-4163 · Fax (207) 613-2570

Location 26 Glen Cove DrRockport, ME 04856-4272 · Phone (207) 921-8969 · Fax (207) 910-4407

Location 3433 W High StBryan, OH 43506-1690 · Phone (419) 630-2291 · Fax (419) 630-2181

Location 43860 Teays Valley Rd Ste 5Hurricane, WV 25526-9772 · Phone (304) 388-4949

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Highmark Blue Cross Blue Shield West Virginia.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. William W Harless M.d. Phd. 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 ID1254439664

PECOS Enrollment IDI20210526001579

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 4

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 high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

58 services40 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

42 services34 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.

27 services26 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

21 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Community Hospitals And Wellness Centers

Acute Care Hospitals · Bryan, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360121

Location433 West High StreetBryan, OH 43506 · Williams County

Birthing friendly

Community Hospitals And Wellness Centers

Critical Access Hospitals · Montpelier, OH

OwnershipVoluntary non-profit - Private

CMS Certification Number361327

Location909 East Snyder AvenueMontpelier, OH 43543 · Williams County

Emergency services

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 25304 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

$164.59 typical visit price

range $53.20 – $164.59

Typical copayment $41.14 (range $13.30 – $41.14)

Most-billed visit code 99205

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.

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.

DR. MUHAMMAD ABDALLA AWIDI MD

Internal Medicine (Hematology & Oncology)