NPPES file of Aug 9, 2026

Robert G. Tayengco, MD

Internal Medicine Physician · Mason, WV

Robert G. Tayengco, MD is an internal medicine physician with a practice address in Mason, West Virginia, and NPI 1215038401, issued on Sep 26, 2006. Check the license (West Virginia 19087, 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
1215038401
Name
Robert G. Tayengco
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
19087 WV
Self-reported in NPPES; status is on the state search
Practice location
2007 Second Street, Mason, WV 25260
Phone
(304) 773-5195
Enumerated
Sep 26, 2006
Record last updated
Jan 23, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(304) 675-5167
Medicaid IDs
0080756000 WV
2028755 OH
Medicare enrollment
Enrolled (PECOS I20100712000477); 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 2007 Second Street

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

  1. Wesley Lieving, DOInternal Medicine Physician1316147796

Verify Robert G. Tayengco 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 19087
    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

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9.0 times the Medicare Part D claims of the average internal medicine physician in 2024

28,580 Medicare Part D claims for 957 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. 1,347 claims were for opioids.

  1. Robert Tayengco28,580
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium1,089 claims
  2. Gabapentin945 claims
  3. Amlodipine Besylate807 claims
  4. Metoprolol Succinate736 claims
  5. Pantoprazole Sodium681 claims
  6. Atorvastatin Calcium644 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: $130.94

7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Robert Tayengco$130.94
  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. Pleasant Valley Hospital, Inc.Point Pleasant, WV

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

2 internal medicine physician records list a practice address in Mason

They are 2 of the 27 NPPES records with a practice address in Mason, and 754 internal medicine physician records in West Virginia.

Other internal medicine physician records in West Virginia

  1. Mohammed Abdulqader, M.D.Huntington, WV1467076208
  2. Mohammed Abourahma, MDCharleston, WV1700589546
  3. Emmanuel Adams, M.D.Morgantown, WV1861752891
  4. Ayowumi Adekolu, MDMorgantown, WV1194474932
  5. Krishan Aggarwal, MDWeirton, WV1194712299
  6. Saed Ahmad, MDSistersville, WV1588650782
  7. Syed Ahmad, MDMorgantown, WV1093417701
  8. Ameenjamal Ahmed, MDMorgantown, WV1336637552
  9. Nazia Ahmed, MDHuntington, WV1427093699
  10. Yunus Ahmed, DOParkersburg, WV1891323630

Common questions

What is Robert G. Tayengco, MD's NPI number?

Robert G. Tayengco, MD's National Provider Identifier (NPI) is 1215038401, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert G. Tayengco, MD located?

The NPPES record lists a practice address at 2007 Second Street, Mason, WV, 25260. Phone: (304) 773-5195. Providers update this record themselves, so call before visiting.

How can I verify Robert G. Tayengco, MD's license?

NPPES lists West Virginia license number 19087, 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 Robert G. Tayengco, MD prescribe under Medicare Part D?

In 2024, Robert G. Tayengco, MD had 28,580 Medicare Part D claims for 957 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.