Merle Muller, M.D.
NPI 1891770350 · Family Medicine Physician · Quincy, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merle Muller, M.D. is a Family Medicine Physician provider in Quincy, IL (NPI 1891770350).
Provider details
- NPI number
- 1891770350
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-070099 (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
300 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 28 | $119 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $119 |
| Administration of Influenza Virus VaccineG0008 | 25 | $30 |
| 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 | 21 | $15 |
| Admn Sarscov2 Vacc 1 Dose |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-07
- Last updated
- 2016-05-19
Frequently asked questions
- What is Merle Muller's NPI number?
- Merle Muller's National Provider Identifier (NPI) is 1891770350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merle Muller's specialty?
- Merle Muller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Merle Muller located?
- Merle Muller's practice location on file with NPPES is 612 N 11th St, Quincy, IL 62301-2662.
- What is Merle Muller's phone number?
- The practice phone number listed in the NPPES registry for Merle Muller is (217) 224-9484.
- Does Merle Muller accept Medicare?
- Merle Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merle Muller's NPI active?
- Yes — Merle Muller's NPI (1891770350) is active in the NPPES registry as of the last update on 2016-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.