Bonnie Diep, MD
Internal Medicine Physician · Fairmont, WV
Bonnie Diep, MD is an internal medicine physician with a practice address in Fairmont, West Virginia, and NPI 1164806642, issued on Jul 15, 2015. Check the license (West Virginia 32698, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Bonnie Diep
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 32698 WV
Self-reported in NPPES; status is on the state search - Practice location
- 1377 Locust Ave, Fairmont, WV 26554
- Phone
- (304) 363-3500
- Enumerated
- Jul 15, 2015
- Record last updated
- Feb 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20231207000496); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 754 in West Virginia → Look up another NPI →
Also registered at 1377 Locust Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mackenzie Clarkson, MDInternal Medicine Physician1073908034
- Glenna GodfreyPhysician Assistant1720859424
- Sheldon Harris, MDFamily Medicine Physician1134783608
Verify Bonnie Diep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 32698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average internal medicine physician in 2024
6,245 Medicare Part D claims for 800 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 186 claims were for opioids.
Most prescribed
- Atorvastatin Calcium329 claims
- Amlodipine Besylate263 claims
- Levothyroxine Sodium224 claims
- Omeprazole215 claims
- Lisinopril166 claims
- Metoprolol Succinate164 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.
Bills Medicare through one group practice
- West Virginia University Medical CorporationFairmont, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bonnie Diep among 754 internal medicine physician records in West Virginia
Bonnie Diep, MD 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 2015, is newer than 67% of them.
- NPI issued2015 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2017 · median 2010 among the 487 with a school on file
- Record last updated2024 · 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).
12 internal medicine physician records list a practice address in Fairmont
They are 12 of the 1,582 NPPES records with a practice address in Fairmont, and 754 internal medicine physician records in West Virginia.
All 754 in West Virginia → Every provider in Fairmont → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mackenzie Clarkson, MDFairmont, WV 265541073908034
- Ryan Hall, M.D.Fairmont, WV 265541184944241
- Maliha Kamal, MDFairmont, WV 265541558309187
- Sudha Katragadda, MDFairmont, WV 265541295827855
- Eugenio Menez, MDFairmont, WV 265541104867811
- Thomas Miller, MDFairmont, WV 265541285732628
- Spencer OllayosFairmont, WV 265541184185084
- Cristina Pastuch, M.D.Fairmont, WV 265541871804591
Common questions
What is Bonnie Diep, MD's NPI number?
Bonnie Diep, MD's National Provider Identifier (NPI) is 1164806642, issued on Jul 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Bonnie Diep, MD located?
The NPPES record lists a practice address at 1377 Locust Ave, Fairmont, WV, 26554. Phone: (304) 363-3500. Providers update this record themselves, so call before visiting.
How can I verify Bonnie Diep, MD's license?
NPPES lists West Virginia license number 32698, 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 Bonnie Diep, MD prescribe under Medicare Part D?
In 2024, Bonnie Diep, MD had 6,245 Medicare Part D claims for 800 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.