Michael Chesnut, M.D.
NPI 1821127333 · Internal Medicine Physician · Prospect, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chesnut, M.D. is a Internal Medicine Physician provider in Prospect, KY (NPI 1821127333).
Provider details
- NPI number
- 1821127333
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 40644 (KY)
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
19 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
1,550 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 307 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 302 | $84 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 238 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 123 | $117 |
| Hemoglobin A1c Level83036 | 119 | $9 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 99 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 254 | 77 |
| Amlodipine Besylate | 236 | 63 |
| Levothyroxine Sodium | 183 | 42 |
| Losartan Potassium | 173 | 52 |
| Rosuvastatin Calcium | 168 | 48 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 153 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,131 across 64 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
- 2007-03-02
- Last updated
- 2021-12-03
- Certified
- 2021-12-03
Frequently asked questions
- What is Michael Chesnut's NPI number?
- Michael Chesnut's National Provider Identifier (NPI) is 1821127333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chesnut's specialty?
- Michael Chesnut is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chesnut located?
- Michael Chesnut's practice location on file with NPPES is 9517 US Highway 42, Prospect, KY 40059-9237.
- What is Michael Chesnut's phone number?
- The practice phone number listed in the NPPES registry for Michael Chesnut is (502) 767-1248.
- Does Michael Chesnut accept Medicare?
- Michael Chesnut is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chesnut's NPI active?
- Yes — Michael Chesnut's NPI (1821127333) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.