Krystal E. Ainsley, MD
Internal Medicine Physician · Williamsburg, VA
Krystal E. Ainsley, MD is an internal medicine physician with a practice address in Williamsburg, Virginia, and NPI 1588890545, issued on Jun 4, 2009. Check the license (Virginia 0101251138, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Krystal E. Ainsley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101251138 VA
Self-reported in NPPES; status is on the state search - Practice location
- 120 Kings Way, Williamsburg, VA 23185
- Phone
- (757) 345-2555
- Enumerated
- Jun 4, 2009
- Record last updated
- May 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (757) 345-0366
- Medicare enrollment
- Enrolled (PECOS I20120615000517); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 120 Kings Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Ackart, MDPulmonary Disease Physician1194710335
- Richard Bagnall, MDFamily Medicine Physician1003803149
- David Bond, PSY.DClinical Psychologist1518186212
- Camilla Buchanan, M.D.Obstetrics & Gynecology Physician1528078847
- Scott Burgess, M.D.Urology Physician1609854835
- Allison Butler, NPObstetrics & Gynecology Nurse Practitioner1639355597
Verify Krystal E. Ainsley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101251138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,209 Medicare Part D claims for 717 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium687 claims
- Levothyroxine Sodium564 claims
- Amlodipine Besylate434 claims
- Hydrochlorothiazide314 claims
- Rosuvastatin Calcium302 claims
- Omeprazole292 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $219.73
12 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.
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
- Riverside Physician Services IncWilliamsburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.
All 40 in Williamsburg → All 3,599 in Virginia → Every provider in Williamsburg →
Other internal medicine physician records in Virginia
- Caren Aaron, M.D.Martinsville, VA1477538734
- Mark Aarons, M.D.Arlington, VA1730371774
- Estefania Abasolo Lopez, MDManassas, VA1043899545
- Salma Abbas, MDRichmond, VA1427303387
- Amir AbbasiRichmond, VA1851233548
- Gohar Abbasi, MDChester, VA1134198187
- Mustafa Abbasi, MDAlexandria, VA1316019912
- Layla Abdal Hussain, MDWoobridge, VA1801036942
- Marwa Abdelfattah, M.D.Culpeper, VA1225251572
- Ramy Abdelfattah, M.D.Fredericksburg, VA1437525748
Common questions
What is Krystal E. Ainsley, MD's NPI number?
Krystal E. Ainsley, MD's National Provider Identifier (NPI) is 1588890545, issued on Jun 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Krystal E. Ainsley, MD located?
The NPPES record lists a practice address at 120 Kings Way, Williamsburg, VA, 23185. Phone: (757) 345-2555. Providers update this record themselves, so call before visiting.
How can I verify Krystal E. Ainsley, MD's license?
NPPES lists Virginia license number 0101251138, 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 Krystal E. Ainsley, MD prescribe under Medicare Part D?
In 2024, Krystal E. Ainsley, MD had 10,209 Medicare Part D claims for 717 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Krystal E. Ainsley, MD'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.