Molly Nelsen, D.O.
NPI 1437243581 · Family Medicine Physician · Belleville, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Molly Nelsen, D.O. is a Family Medicine Physician provider in Belleville, IL (NPI 1437243581).
Provider details
- NPI number
- 1437243581
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 2009033144 (MO)
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
19 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
315 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) |
|---|---|---|
| Admn Sarscov2 Vacc 1 Dose90480 | 118 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $123 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 34 | $15 |
| Administration of Influenza Virus VaccineG0008 | 29 | $5 |
| Hemoglobin A1c Level, By Device for Home Use83037 | 20 | $10 |
| Skin Test for Tuberculosis86580 | 15 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 238 | 68 |
| Amlodipine Besylate | 114 | 34 |
| Levothyroxine Sodium | 112 | 26 |
| Lisinopril | 96 | 30 |
| Gabapentin | 82 | 22 |
| Famotidine | 75 | 21 |
| Metformin Hcl | 73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2018-08-01
Frequently asked questions
- What is Molly Nelsen's NPI number?
- Molly Nelsen's National Provider Identifier (NPI) is 1437243581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Molly Nelsen's specialty?
- Molly Nelsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Molly Nelsen located?
- Molly Nelsen's practice location on file with NPPES is 180 S 3rd St Ste 300, Belleville, IL 62220-1952.
- What is Molly Nelsen's phone number?
- The practice phone number listed in the NPPES registry for Molly Nelsen is (618) 256-7311.
- Does Molly Nelsen accept Medicare?
- Molly Nelsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Molly Nelsen's NPI active?
- Yes — Molly Nelsen's NPI (1437243581) is active in the NPPES registry as of the last update on 2018-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.