Michael Markley, M.D.
NPI 1740246834 · Family Medicine Physician · Jacksonville, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Markley, M.D. is a Family Medicine Physician provider in Jacksonville, IL (NPI 1740246834).
Provider details
- NPI number
- 1740246834
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036114677 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsv Vacc, Pref a and Pref B/Pfbrand: Abrysvo | 68 | 68 |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 42 | 26 |
| Prednisone | 29 | 25 |
| Cephalexin | 21 | 20 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Azithromycin | 15 | 13 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2006-04-26
- Last updated
- 2015-12-09
Frequently asked questions
- What is Michael Markley's NPI number?
- Michael Markley's National Provider Identifier (NPI) is 1740246834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Markley's specialty?
- Michael Markley is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Markley located?
- Michael Markley's practice location on file with NPPES is 1000 W Morton Ave, Jacksonville, IL 62650-3152.
- What is Michael Markley's phone number?
- The practice phone number listed in the NPPES registry for Michael Markley is (217) 528-7541.
- Does Michael Markley accept Medicare?
- Michael Markley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Markley's NPI active?
- Yes — Michael Markley's NPI (1740246834) is active in the NPPES registry as of the last update on 2015-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.