Krystal Ainsley, MD
NPI 1588890545 · Internal Medicine Physician · Williamsburg, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Krystal Ainsley, MD is a Internal Medicine Physician provider in Williamsburg, VA (NPI 1588890545).
Provider details
- NPI number
- 1588890545
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101251138 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
11,122 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,320 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,046 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 847 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 797 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 728 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 143 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 687 | 181 |
| Levothyroxine Sodium | 564 | 125 |
| Amlodipine Besylate | 434 | 111 |
| Hydrochlorothiazide | 314 | 78 |
| Rosuvastatin Calcium | 302 | 87 |
| Omeprazole | 292 | 74 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$220 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-04
- Last updated
- 2016-05-02
Frequently asked questions
- What is Krystal Ainsley's NPI number?
- Krystal Ainsley's National Provider Identifier (NPI) is 1588890545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krystal Ainsley's specialty?
- Krystal Ainsley is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Krystal Ainsley located?
- Krystal Ainsley's practice location on file with NPPES is 120 Kings Way, Williamsburg, VA 23185-2505.
- What is Krystal Ainsley's phone number?
- The practice phone number listed in the NPPES registry for Krystal Ainsley is (757) 345-2555.
- Does Krystal Ainsley accept Medicare?
- Krystal Ainsley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Krystal Ainsley's NPI active?
- Yes — Krystal Ainsley's NPI (1588890545) is active in the NPPES registry as of the last update on 2016-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.