NPPES file of Aug 9, 2026

Samuel Merrill, MD, PHD

Hematology (Internal Medicine) Physician · Morgantown, WV

Samuel Merrill, MD, PHD is a hematology (internal medicine) physician with a practice address in Morgantown, West Virginia, and NPI 1144529769, issued on Mar 22, 2011. Check the license (West Virginia 29029, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144529769
Name
Samuel Merrill
Credential
MD, PHD
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License numbers
29029 WV
D0097056 MD
0420012849 VT
Self-reported in NPPES; status is on the state search
Practice location
64 Medical Center Drive, Morgantown, WV 26506
Phone
(304) 598-6984
Enumerated
Mar 22, 2011
Record last updated
Apr 8, 2022
Fax
(304) 598-4560
Medicare enrollment
Enrolled (PECOS I20190916001653); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
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 64 Medical Center Drive

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

  1. Karley BatesStudent in an Organized Health Care Education/Training Program1679412852
  2. Rhett Dalley, DMDStudent in an Organized Health Care Education/Training Program1134068406
  3. Abdullahi Sulaiman, M.DStudent in an Organized Health Care Education/Training Program1629716915

Verify Samuel Merrill 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 29029
    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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84% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

79 Medicare Part D claims for 19 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Samuel Merrill79
  2. Specialty average496

Most prescribed

  1. Hydroxyurea29 claims
  2. Eliquis15 claims
  3. Doptelet12 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.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. West Virginia University Medical CorporationMorgantown, WV

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

Hematology (Internal Medicine) Physician providers in West Virginia

There are 4 hematology (internal medicine) physician records in West Virginia.

Other hematology (internal medicine) physician records in West Virginia

  1. Ramon Jereza, M.D.Beckley, WV1902827868
  2. Raheel Siddiqui, MDMorgantown, WV1417518184
  3. Carlos Vasquez, MDWheeling, WV1689645780

Common questions

What is Samuel Merrill, MD, PHD's NPI number?

Samuel Merrill, MD, PHD's National Provider Identifier (NPI) is 1144529769, issued on Mar 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Merrill, MD, PHD located?

The NPPES record lists a practice address at 64 Medical Center Drive, Morgantown, WV, 26506. Phone: (304) 598-6984. Providers update this record themselves, so call before visiting.

How can I verify Samuel Merrill, MD, PHD's license?

NPPES lists West Virginia license number 29029, 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 Samuel Merrill, MD, PHD prescribe under Medicare Part D?

In 2024, Samuel Merrill, MD, PHD had 79 Medicare Part D claims for 19 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

What is Samuel Merrill, MD, PHD's MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.