Dr. Lisa Christine Merrill, MD
- Medicare services, 2024
- 907
- Medicare patients, 2024
- 457
- Part D claims, 2024
- 370
- Hospital affiliations
- 4
- Industry payments
- $587
- Practice address
- 100 Sentara Circle, Williamsburg, VA 23188
- Practice phone
- Call (757) 984-7409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sentara Williamsburg Regional - Unit
Acute Care Hospital-Unit · Williamsburg, Virginia
Find Dr. Merrill's professional email, personal email and mobile number
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Dr. Lisa Christine Merrill is an internist in Williamsburg, Virginia
Dr. Merrill practices at Sentara Williamsburg Regional - Unit in Williamsburg, Virginia.
Dr. Merrill's NPI, 1235109653, was assigned on January 26, 2006. Dr. Merrill graduated from Medical College of Ohio in 2002. Dr. Merrill holds Virginia license 0101248071.
- NPI
- 1235109653NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789620451
- NPI enumeration date
- January 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 984-7409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lisa Christine Merrill practices at Sentara Williamsburg Regional - Unit in Williamsburg, Virginia
Dr. Merrill's primary practice is Sentara Williamsburg Regional - Unit, at 100 Sentara Circle, Williamsburg, VA 23188 in James City. The practice phone is (757) 984-7409.
- Sentara Williamsburg Regional - Unit100 Sentara Circle, Williamsburg, VA 23188 · James CityPhone(757) 984-7409
Source: Dmand AI Affiliation Data
Dr. Lisa Christine Merrill is affiliated with 4 sites of care and 1 medical group
Dr. Merrill's primary practice is Sentara Williamsburg Regional - Unit in Williamsburg, Virginia. Dr. Merrill is also affiliated with Sentara Williamsburg Regional Medical Center. The medical group on file is Sentara Medical Group. Dmand AI also links Dr. Merrill to 2 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lisa Christine Merrill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merrill practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Williamsburg Regional - Unit | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lisa Christine Merrill is one of 3,339 internists in Virginia
Internal medicine is Dr. Merrill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Merrill's licenses on file in 2 states: Virginia and Ohio.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
- Family medicine, Ohio
Internists near Dr. Merrill
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lisa Christine Merrill billed Medicare for 907 services in 2024
CMS data shows 907 Medicare services from Dr. Merrill across 5 procedure codes in 2024, for 457 Medicare patients. Medicare paid $81,254 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Merrill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4952024: 90783%
Dr. Merrill compared with the Virginia median for internists, 2024
- Dr. Merrill
- Virginia median
- Medicare services
- 907vs 60749% above
- Medicare patients
- 457vs 24686% above
- Part D claims
- 48vs 22479% below
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Merrill's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Merrill and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lisa Christine Merrill treated 457 Medicare patients in 2024, average age 80
CMS counts 457 Medicare patients who saw Dr. Merrill in 2024. The largest group is 75 to 84, with 176 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Merrill's median patient age at 65, with 58% women.
Dr. Merrill's Medicare patients by age, 2024
Dr. Merrill's Medicare patients by sex, 2024
- Women25456%
- Men20344%
Chronic conditions among Dr. Merrill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease53%
- Heart failure49%
- Chronic kidney disease48%
- Diabetes42%
- Atrial fibrillation39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merrill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lisa Christine Merrill wrote 370 Medicare Part D claims in 2024
In 2024, Dr. Merrill wrote 370 Medicare Part D claims for 162 patients. 88% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $275 in total drug cost. In 2022, CMS named 25 claims across 2 drugs.
Dr. Merrill's Part D claims by kind of drug, 2024
- Generic326 claims88%
- Brand-name and other44 claims12%
Dr. Merrill's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Merrill's Part D claims, 2024
- Opioids6%24 of 370 claims
- Antibiotics23%85 of 370 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 252024: 4892%
Drugs named by CMS: 3 in 2024, 2 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Lisa Christine Merrill takes part in Medicare
Dr. Merrill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Lisa Christine Merrill received $587 in industry payments from 2016 to 2025
CMS Open Payments shows 7 general payments to Dr. Merrill from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $125.
General payments to Dr. Merrill by program year, 2016 to 2025
Companies that paid Dr. Merrill the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lisa Christine Merrill graduated from Medical College of Ohio
Dr. Merrill graduated from Medical College of Ohio in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lisa Christine Merrill's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lisa Christine Merrill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lisa Christine Merrill's NPI number?
Dr. Lisa Christine Merrill's NPI number is 1235109653. It was assigned on January 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lisa Christine Merrill?
Dr. Lisa Christine Merrill is an internist in Williamsburg, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lisa Christine Merrill practice?
Dr. Merrill practices at 100 Sentara Circle, Williamsburg, VA 23188. Dr. Merrill's primary practice is Sentara Williamsburg Regional - Unit in Williamsburg, Virginia. Dmand AI also links Dr. Merrill to 2 hospitals.
What is Dr. Lisa Christine Merrill's office phone number?
The practice phone on file for Dr. Merrill is (757) 984-7409.
What is Dr. Lisa Christine Merrill's medical license number?
Dr. Merrill holds Virginia license 0101248071, one of the licenses on file in 2 states.
Which states has Dr. Lisa Christine Merrill been licensed in?
Dmand AI has state licenses on file for Dr. Merrill in Virginia and Ohio.
Which hospitals is Dr. Lisa Christine Merrill affiliated with?
Dr. Merrill is affiliated with Sentara Williamsburg Regional Medical Center. Dmand AI links Dr. Merrill to 3 more hospitals.
What medical group is Dr. Lisa Christine Merrill part of?
Dr. Merrill is linked to Sentara Medical Group.
Does Dr. Lisa Christine Merrill accept Medicare?
Yes. CMS data shows Dr. Merrill billed Medicare for 907 services in 2024, and Dr. Merrill accepts Medicare assignment.
How many Medicare patients does Dr. Lisa Christine Merrill see?
CMS counts 457 Medicare patients who saw Dr. Merrill in 2024, with an average age of 80.
Show 5 more questionsShow fewer questions
What services does Dr. Lisa Christine Merrill bill to Medicare?
In 2024, Dr. Merrill's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Where did Dr. Lisa Christine Merrill go to medical school?
Dr. Merrill graduated from Medical College of Ohio in 2002.
What drugs does Dr. Lisa Christine Merrill prescribe most?
In 2024 Medicare Part D data, Dr. Merrill's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Furosemide and Prednisone.
Has Dr. Lisa Christine Merrill received payments from drug or device companies?
CMS Open Payments shows $587 in general payments to Dr. Merrill from 6 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Lisa Christine Merrill been practicing?
Dr. Merrill graduated from medical school in 2002, 24 years ago.
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