Mark Baylor, MD
NPI 1740256700 · Family Medicine Physician · Elmwood, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Baylor, MD is a Family Medicine Physician provider in Elmwood, IL (NPI 1740256700).
Provider details
- NPI number
- 1740256700
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036069541 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
719 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 475 | $122 |
| Blood Test, Clotting Time85610 | 102 | $4 |
| Administration of Influenza Virus VaccineG0008 | 46 | $31 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 30 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 25 | $9 |
| Hemoglobin A1c Level83036 | 15 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 400 | 95 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 296 | 37 |
| Lisinopril | 242 | 56 |
| Omeprazole | 210 | 45 |
| Amlodipine Besylate | 163 | 38 |
| Tramadol Hcl | 162 | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-28
- Last updated
- 2010-09-29
Frequently asked questions
- What is Mark Baylor's NPI number?
- Mark Baylor's National Provider Identifier (NPI) is 1740256700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Baylor's specialty?
- Mark Baylor is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Baylor located?
- Mark Baylor's practice location on file with NPPES is 120 W Main Street, Elmwood, IL 61529.
- What is Mark Baylor's phone number?
- The practice phone number listed in the NPPES registry for Mark Baylor is (309) 742-2921.
- Does Mark Baylor accept Medicare?
- Mark Baylor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Baylor's NPI active?
- Yes — Mark Baylor's NPI (1740256700) is active in the NPPES registry as of the last update on 2010-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.