NPPES file of Aug 9, 2026

William Michael Harris, DO

Internal Medicine Physician · Chesapeake, WV

William Michael Harris, DO is an internal medicine physician with a practice address in Chesapeake, West Virginia, and NPI 1891772802, issued on Dec 30, 2005. Check the license (West Virginia 1320, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891772802
Name
William Michael Harris
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
1320 WV
Self-reported in NPPES; status is on the state search
Practice location
11950 Maccorkle Ave, Chesapeake, WV 25315
Phone
(304) 220-2111
Enumerated
Dec 30, 2005
Record last updated
Jun 18, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(304) 220-2183
Medicaid ID
0077610000 WV
Medicare enrollment
Enrolled (PECOS I20040503000179); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 11950 Maccorkle Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christina GarrisAddiction (Substance Use Disorder) Counselor1447108352
  2. Penny Ramsey, APRN, AGPCNP-BCGerontology Nurse Practitioner1801396981
  3. Joshua Shrewsbery, FNP- BCFamily Nurse Practitioner1144561432
  4. Kathleen Warner, MSMental Health Counselor1407178809

Verify William Michael Harris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWest Virginia Board of Medicine
    Search for license 1320
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the West Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

246 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 24 claims were for opioids.

  1. William Harris246
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $22.00

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Harris$22.00
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Chesapeake Healthcare CenterChesapeake, WV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Michael Harris among 754 internal medicine physician records in West Virginia

William Michael Harris, DO is one of 754 internal medicine physician records with a practice address in West Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1990 · median 2010 among the 487 with a school on file
  • Record last updated2019 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 internal medicine physician record lists a practice address in Chesapeake

They are 1 of the 10 NPPES records with a practice address in Chesapeake, and 754 internal medicine physician records in West Virginia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Richard Capito, MDCharleston, WV 253141407858772
  2. William Chapman, DOCharleston, WV 253141326091778
  3. Joe Farris, MDCharleston, WV 253141144299728
  4. Amer Malas, MDCharleston, WV 253141730170499
  5. Michael Sitler, MDCharleston, WV 253141942262282
  6. Mark Douglas, DOCross Lanes, WV 253131306974464
  7. Ashish Sheth, MDCross Lanes, WV 253131487645073
  8. Arvind Viradia, MDCross Lanes, WV 253131417947904

Common questions

What is William Michael Harris, DO's NPI number?

William Michael Harris, DO's National Provider Identifier (NPI) is 1891772802, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Michael Harris, DO located?

The NPPES record lists a practice address at 11950 Maccorkle Ave, Chesapeake, WV, 25315. Phone: (304) 220-2111. Providers update this record themselves, so call before visiting.

How can I verify William Michael Harris, DO's license?

NPPES lists West Virginia license number 1320, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Michael Harris, DO prescribe under Medicare Part D?

In 2024, William Michael Harris, DO had 246 Medicare Part D claims for 59 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.