NPPES file of Aug 9, 2026

Lisa Christine Merrill, M.D.

Internal Medicine Physician · Williamsburg, VA

Lisa Christine Merrill, M.D. is an internal medicine physician with a practice address in Williamsburg, Virginia, and NPI 1235109653, issued on Jan 26, 2006. Check the license (Virginia 0101248071, as entered in NPPES) on the Virginia Department of Health Professions; 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
1235109653
Name
Lisa Christine Merrill
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
0101248071 VA
35-084589 OH
Self-reported in NPPES; status is on the state search
Practice location
100 Sentara Cir, Williamsburg, VA 23188
Phone
(757) 984-7218
Enumerated
Jan 26, 2006
Record last updated
Dec 4, 2023
Fax
(757) 984-7210
Medicaid ID
2574174 OH
Medicare enrollment
Enrolled (PECOS I20101104001260); accepts Medicare assignment
Medical or professional school
Medical College Of Ohio, 2002
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 100 Sentara Cir

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

  1. Alexis Asprah, CRNACertified Registered Nurse Anesthetist1861112641
  2. Thomas Camp, MDEmergency Medicine Physician1205921772
  3. Jonathan CanadaySurgical Assistant1548117120
  4. Carrie Clemens, PASurgical Physician Assistant1164469896
  5. Jayne Darnell, CSFASurgical Assistant1194646521
  6. Ralph Dimattia, MDInternal Medicine Physician1013985068

Verify Lisa Christine Merrill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101248071
    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 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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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

370 Medicare Part D claims for 162 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Lisa Merrill370
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass21 claims
  2. Furosemide15 claims
  3. Prednisone12 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): 95.1 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 score86.3
  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).

Industry payments in 2024: $313.17

3 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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. Lisa Merrill$313.17
  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. Sentara Medical GroupWilliamsburg, VA

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

Lisa Christine Merrill among 3,599 internal medicine physician records in Virginia

Lisa Christine Merrill, M.D. is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2002 · median 2003 among the 2,234 with a school on file
  • Record last updated2023 · 53% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

40 internal medicine physician records list a practice address in Williamsburg

They are 40 of the 1,707 NPPES records with a practice address in Williamsburg, and 3,599 internal medicine physician records in Virginia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kevin Bedell, MDWilliamsburg, VA 231881275594236
  2. Imhotep Boukman, MDWilliamsburg, VA 231881326094723
  3. Ralph Dimattia, MDWilliamsburg, VA 231881013985068
  4. Radu Ionescu, MDWilliamsburg, VA 231881750354379
  5. Sanford Marcuson, M.D.Williamsburg, VA 231881710952676
  6. Patricia Marcuson, M.D.Williamsburg, VA 231881609841485
  7. Julia Myers, MDWilliamsburg, VA 231881932150489
  8. Charles Oh, M.D.Williamsburg, VA 231881245213024

Common questions

What is Lisa Christine Merrill, M.D.'s NPI number?

Lisa Christine Merrill, M.D.'s National Provider Identifier (NPI) is 1235109653, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Christine Merrill, M.D. located?

The NPPES record lists a practice address at 100 Sentara Cir, Williamsburg, VA, 23188. Phone: (757) 984-7218. Providers update this record themselves, so call before visiting.

How can I verify Lisa Christine Merrill, M.D.'s license?

NPPES lists Virginia license number 0101248071, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lisa Christine Merrill, M.D. prescribe under Medicare Part D?

In 2024, Lisa Christine Merrill, M.D. had 370 Medicare Part D claims for 162 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Lisa Christine Merrill, M.D.'s MIPS final score?

The 2023 MIPS final score is 95.1 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.